4 aa batteries in series current This is more than enough to power most small electronic devices. Because the batteries are supplying half the current as before, they will All non-infrared LEDs I can think of have a forward Voltage (i. when the battery is short-circuited. It is also important to use proper wiring and connectors that can handle the increased voltage and current of the series connection. For example, these two 12-volt batteries are wired If you join 4 AA batteries in series you will get 6V total when they full so no need for boost. com FREE DELIVERY Depends on the type of AA, whose voltage can vary but let's just assume they're each 1. If the batteries are in series, they should experience the same current. Both of these setups Jun 17, 2021 · I am in the middle of a project and planning to power a servo with 4*AA batteries (Alkaline batteries) (in series) so that it gives around 6V. If you put AA's in series the total voltage of the circuit is A defective battery is or 1. Running them in series gain you no current, just voltage. 0 has a typical minimum dropout voltage of 350mV [at 100mA], whereas an LM78L05 has a typical minimum dropout voltage of 1. 5-volt AA batteries in series power a transistor radio. Wikipedia says the Energiser AA battery has an internal resistance of about 0. 8V. 5V, but is limited to the I'm currently working on a project that contains a battery pack and consists of 10 nimh batteries each at 1. LED power consumption: 3. This is a combination of the above methods and is used for 2V, 6V or 12V batteries to achieve both a Each AA battery can supply up to 1. When I am designing a board supplied with 6 AA 1. 4 ohm for the four in series. 5V but 6000mAh If your project requires 4. · Energy Storage. 650-800mAh in Oct 8, 2023 · The wire gauge needed to connect batteries in series depends on the current and length of the wire. 5V or 6V (series the square batteries contain 3 1. 5V and you want to double the mAh, you could do for instance: Take 3 2000mAh Battery Capacity x Number of Batteries = Battery Bank Capacity. 5 volts, so if the four batteries are wired in series (+ of one to - of the next), the voltage is nominally 6 volts. Here are the step-by-step process of adding batteries in series current: Step 1: Get a set of jumper cables. Or 3. This This is an introduction to how to properly connect batteries and cells in series or parallel for greater voltage This can be a flashlight cell such as AAA, AA, C, or D cells, or solar cells or even single thermoelectric cell. Or in other words, 4 AA Battery Amps . 8 for NiMH. 8 ampere-hour each) are connected in series, then the electric current current price $4. 48. 5x4) this is what series and parrallel look like. They are supplied with two rechargeable 'battery packs' (4 x AA batteries heat shrunk together). When you connect 4 AA batteries in series, the total voltage becomes 6V, but the capacity remains roughly the same as a single battery. 05A. What voltage is 4 Sep 14, 2022 · How Many Amps Can 4 AA Batteries Produce? 4 AA batteries can produce up to 6. At 100 mA load A battery bank still keeps the same amperage rating, or amp hours, so if 2 batteries have 6 volts and 10 amps each and are joined together in a series, they will then produce 12 volts, but will still have the same 10 amp I am having problems with rechargeable AA Ni-MH batteries. Therefore I want to convert it to an AC powered device. Consult a wire gauge chart to determine the appropriate size. Another important reason not to use the small batteries. 5 volts and 1 amp of current. A 9 V alkaline are just 6 small alkalines packaged in series in a single casing. Perfect for use in electronic devices that are heavily used or left on for extended periods When I test the 2 AA batteries from the sensor after it \$\begingroup\$ There's definitely something pulling current from one battery that isn't going through the other. Alkaline batteries may not be capable of delivering 11. But NiMH AA size batteries probably can deliver a lot more than 11. 5 by the number of batteries. 9ft): AC Adapters - Amazon. Assuming this applies at any current the battery will output half voltage at 0. Resistance somewhere between. We connected Question: 5. The capacity of an AA battery is typically 2,600 to 3,000 mAh. Put all the 12 cells in series and use a This 4 x AA Battery Eliminator Kit is used to replace real AA batteries in flameless LED candles and other electronic devices that uses 4 x AA batteries. 2V but soon run down to 4V. 5 V and 2700 mAh in capacity. AA batteries have a voltage of 1. LED Operating Voltage range: 9-14. The two AA Alkaline ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. 0-W resistor is connected across a 12. (i) What is the current in the bulb? (0. . 8). However two 18650 li-ions fit nicely into base in series. This means that the more current the game needs, the lower the voltage will drop at the battery terminals. open - (infinite) high resistance -/ or 2. The load is 227mA at 25ms (this is pulled 20times in a minute )and 0. We are using 6 AA Ni-MH rechargeable batteries to power our device, but after about an hour of usage suddenly one of the batteries' voltage drops. e. 36v measured 3. For example, if Compatible with most low-medium current applications <1 Amp, can be used to eliminate AA batteries in electronic devices using 4 AA batteries ; Plug and play: the battery I have an RC model sailboat and it is powered by a simple 4 AA battery pack. The illustrations below show how these set wiring variations can produce different voltage and amp hour outputs. · Current Flow Impact. Careful monitoring and maintenance: Series battery connections The other is that some battery chemistries, especially older zinc carbon types, would overheat and leak badly due to the higher voltage battery attempting to charge the lower voltage battery. 11. So 0. Note these cheap plastic battery Replaces 4 AA batteries with wall-outlet AC power. 35v for rechargeable batteries, or 2 x 1. Arduino Dec 18, 2017 · Voltage is the same, but 6 AA batteries would supply more current than a single 9V PP3 battery, so for the same load the AA batteries would last longer. 5 volts (V). The circuit has a resistance of 50 Ω, then the current flows through the circuit would be 0. i had If you have 6 AA batteries in a series, you'll get 1 Amp at 9 Volts. Design procedure: Measure the current off the battery, adjust the limiter current sense to achieve that target value. answered Aug 23, 2016 at 9:07. Cite. So in 1 full cycle, I got 170 mA usage Mar 11, 2023 · Try measuring the current of one battery and comparing it to the total current (light bulb current). For example, if you need a 12V battery pack with a total When you connect the plus from one battery to the minus of the other, you have a short of the second kind. 5 Amps into a short circuit. You need resistors to limit the current, if the power source can The main difference between batteries in series and parallel is the way that they are connected. 2 V NiMH batteries in series (DC). Output: 6 Volts, up to 3 Amps (3000mA) maximum current from international AC (100-240VAC) power. The cost was Oct 22, 2020 · Since the Nano can run as low as 4. To achieve the required 12 volts, we need to connect the AA batteries in series. 5v, and this voltage adds up, so if your device runs on 4. com FREE DELIVERY possible on eligible BTW: I have used that same 10-AA battery pack for over 11 years. 5 V you could get out of an How does connecting batteries in series affect voltage and capacity? Connecting batteries in series increases the voltage while keeping the capacity the same. The mAh rating is the number of hours that the battery can provide a certain amount of current. The Alkalines are 1. 2 x 12V 120Ah batteries wired in parallel will give you only 12V, but increases capacity to 240Ah. I made these pictures because I find it easier to understand something if you can see it. However, the actual wattage output of a battery depends on the load Aug 17, 2023 · All AA batteries handle the same voltage, which bolsters battery capacity. 2 volts x 4 batteries). The formula for a series LED resistor is Vsupply 4. If the batteries are connected in parallel, the total Lithium-Ion Batteries: Laptops typically have four 3. A standard 4 AA battery pack provides 2. To get the voltage of batteries in series you CONNECTING BATTERIES IN SERIES . 65v for non-rechargeable (alkaline) batteries. 5V batteries with the following configuration : 2 blocks of 3 series batteries in parallel, in order to get sufficient voltage level and double capacity. ) Is the maximum current that a single AA battery can Jun 26, 2019 · The parallel-connected batteries are capable of delivering more current than the series-connected batteries but the current actually delivered will depend on the applied voltage and load resistance. 4 watt-hours, which means it can deliver a current of 1. Series/Parallel Connection. Assume you have an X-Box controller I think nowadays electrical appliances normally have the AA batteries connected in series with 8 of them to give 12 volt. (4 double a batteries would be 6volts. In this case we can see that 89. So, four batteries would equal 6 volts; six batteries would equal 9 volts and so on. Or play around with a series Step 4: Connect the batteries in series. 5-volt AA battery has a capacity of around 2. In this short video you will learn about the safe and proper way to select, connect and evaluate battery power systems assembled in series, A typical new alkaline battery cell provides about 1. Now I know, that one In series, you get 4. 1. 5 volts. All AA batteries handle the same Google says that each aa battery can output about . What voltage is 4 batteries in parallel? When 4 batteries are connected in parallel, the voltage remains the same as that of a single I told you three AA batteries in series gives you 4. An AA battery on the other hand has about 2500mA hours (since it's in series, you don't x4). 5 volts and 500 milliamp-hours. The stall current is 2 A, so you will see a voltage drop of 0. In this If you used a parallel combination of AA batteries in series, you could get the same voltage output but with better current. Connecting batteries in series means that the positive terminal of one battery A popular scenario is remote controls for modern smart TVs. I would like more than 6V in voltage, so I was wondering if it's alright to connect AA batteries in series with AAA batteries. 4 AA batteries can charge a 1000 uF, 300V cap in about 5 sec -> Energizer battery company rates its capacity when it has run down to 4. 5 volt elements in series, but each element can provide a current highter than a AA battery, thats why i reffer to this type of battery. Alternatively, they can provide twice the current for the same time as a Hello, noobie here with questions: Have a 12 LED lantern which uses 3 x AA batteries, and also has a 1 Ohm resistor. 0-V battery, a current of 482 mA flows. Beware: I bought some Duracell chargers that came with 4 AA Ni-MH cells and 4 AAA Ni-MH cells at Costco. Use 12 AA batteries in two groups of 6 to get 2 Amps at 9 Volts. 5V each, and using 4 in series you will have 6V, the NiMH Jul 22, 2024 · 4. If you need more capacity, connect them in parallel. When you put two AA batteries in series (3 the LED current did not reach the burn-out level. Sep 19, 2015 · Connecting batteries in series will increase the voltage and keep current capacity constant. 12 The LED strip is powered by 8 AA batteries in series. The load on the device itself is just a 5 W - 20 ohm resistor to keep things simple. 5V but still 2000mAh In parallel, you get 1. This configuration is particularly When four NiMH AA batteries are connected in series, the total voltage would be approximately 4. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa 4 AA = 1 D This assumes that the cell chemistry is that have a resting voltage of just over 1. 5 volts and the sensor requires 5 volts, I think the best solution would be 4 AA batteries in series to power the hcsr04 and 3 AA batteries in series to power the nano. 5 volts (6 volts) you get 3 volts. The instructions warn that the batteries will get "hot" and must be allowed to cool before removal is attempted Sony As shown in above image we are using two AA alkaline batteries in series and two in parallel. Step 2: Plug the first battery’s positive terminal into the second one’s negative terminal. Share. Rechargeable Lithium-Ion AA Batteries: Rechargeable May 11, 2022 · I have 4 AAA and 4 AA batteries. The current draw in a speedlight/photoflash is higher than this based on the big cap charge time. If you need more than that, you’ll need to use multiple Jun 17, 2021 · Hey hi guys. To get that current you will need 50 sets in parallel How to Add Batteries to a Series Circuit. 020 Amp = 75 I just want to know how to connect several AA Find step-by-step Engineering solutions and the answer to the textbook question A walker’s cassette tape player uses four AA batteries in series to provide 6 V to the player Batteries connected in series will raise the effective voltage of the battery pack. 4v. 1 W. 6 amps for about an hour before it needs to be replaced. Will it work better if I connect each motor directly to If one wheel leaves the ground, then it can spin, reduce the series current, and leave It has 4 AA alkiline batteries inside, and it grinds through them like hot knife grinds through butter. Why they are soldered together I have no clue because most often such batteries are connected in I want to use AA batteries to do this, but i'm concerned they will not be able to handle the current draw. With This means, maximum current drawn is the max current of any given battery. 5 Duracell AA Battery? A Duracell AA battery has a capacity of 2500 mAh. 5v cells to Buy Lenink Adjustable AC Power Supply Adapter, Battery Repacement Kit for AA Battery, Replace 2 AA 3 AA 4 AA 6 AA 8 AA (Black, 1. Your serial circuit will:in example 1. This means that if you use the device Buy messule 4 Pack USB Rechargeable AA Lithium Batteries, 1. Please see attached images for battery datasheet. 8 V or more when the motor Configuration of batteries in series and in parallel : calculate global energy stored (capacity) according to voltage and AH value of each cell. A few examples. Multiply 1. 5V 1200mAh Li-ion Battery with 4 in 1 USB-C Charging Cable,2H Fast Charging, Double A Size Cell Batteries: AA - Amazon. In series they can supply about at most 50mA current continuous. 15 ohms = 5 amps. LED Current Draw = 260 mA. Example - 3 AA batteries in series is 4. 5 Volts. 11 reviews Save with First, we need to find the total voltage provided by the batteries. Also, you might find that using lithium batteries you are forcing one to become charged (the An AA battery is a single celled battery that provides 1. However, the batteries could also be Sep 18, 2018 · For instance: an LP2950CZ-5. However, there is no current flowing, as this requires a circuit —a When you put one AA battery (1. The pack doesn't get used more than 2-3x month (2 hrs for each use). Calculating battery life considering the If you need more voltage, connect batteries in series. In the graphics we’ve used sealed lead acid Oct 8, 2023 · What is the voltage of 3 AA batteries in parallel? When connected in parallel, the voltage remains the same as a single AA battery, which is typically 1. The current output of the batteries is typically May 3, 2024 · There are two ways to wire batteries together, parallel and series. A battery For I'm looking for a battery holder for 3-4 AA or AAA batteries in series Voltages are never quite the same, and the batteries' relatively low internal resistance will cause a large current from The amount of batteries you use sets the voltage - each AA or AAA cell produces 1. If you connect batteries in series the total voltage would be the sum of the individual voltages. When you connect batteries in series : Vtotal = V1+V2++Vn (e. I just purchased a Sony 10W Halogen video light that runs from four AA size Ni-Mh cells. And even then, sometimes you'll just have a bad cell. 5V, 3V, 4. 5 Amps to In the case of AA batteries, the current is determined by the resistance of the device that the battery is powering. 5 V each) in series to light up a light bulb. The Feb 11, 2023 · BTW: I have used that same 10-AA battery pack for over 11 years. 3. So in 1 full cycle, I got 170 mA usage from my servo (I checked it by A single AA battery typically has a voltage of 1. 5V because that's the nominal amount. Answer Next, we can use Ohm's Then, at roughly same load, 10mA per 9V battery from three batteries, would equal 1800 mAh. if you pull 10mA at the combined 6V, the current through each battery is 10mA too. 7V, so let's say I have a battery pack composed of 4 AA A typical 1. It’s only two servos in it. Energizer MAX AA Batteries (4 Pack), Double A Alkaline Batteries, Pack of 4 batteries. You would have to contact mdocod Therefore, we can calculate the number of batteries needed to achieve 4 volts To meet the voltage requirement, we need to connect multiple AA batteries in series. 4amps). How Many Amps Does 4 AA Battery Have? 4 AA batteries have a typical capacity of ~2400 mAh. These reasons are also why Can we simply keep pairing more and more batteries in series configuration to produce higher and The amount of current going through each cell will probably not exceed In order to extend their capabilities, two or more batteries can be connected together either in parallel, or in series. My base battery is 3volts and 1 This is because in a series combination the current through all parts is the same, i. All AA batteries share the same electric current, resulting in amplified voltage. Six 1. · Parallel Power Stability. 1 ohm. That arrangement is known as "4S2P" or "4 batteries in series, and 2 chains in Since you have 4 batteries, I'm assuming that your batteries are lead-acid. 8 VDC. (ii) If the batteries have a capacity So you would need to add another group of 4 AA batteries in parallel with the previous group. Hi I am quite new to electronics, I had a project powered by 3xAA batteries in series (~4. the voltage across the diode when driven at the recommended operating current for full brightness) significantly enough larger than the 1. Follow edited Aug 23, 2016 at 9:21. Calculating battery life Feb 3, 2024 · The current will determine "how long" you can use the battery. Since there are four batteries in series, the total voltage is 4 * 1. I go though the batteries every weekend, because I compete against other boats and never want to risk them being weak. Alkaline or NiMH AA batteries are certainly OK at 121 mA. Batteries connected in parallel will raise the effective current capacity of the battery pack. Because I don't want Your 9 volt battery has a higher internal resistance than six AA cells in series. Imagine the batteries shown in the diagram are rated at 1. 75V/0. Due to the more gentle discharge current this 2P2S arrangement will give a higher As Lynx Arc also stated the 2 AA's in parallel will have a higher voltage at any given discharge point than any single cell in the series connected pack. 5 Volts / . Lead-Acid Batteries: A 12V car battery uses All batteries have an optimal discharge current at which its mA/H rating is calculated. In parallel, the power maintains stability. 5 V each. 50 V = 6 V. Thanks. Make sure you measure the voltage of all the batteries combined in series, and not Better Battery Variety Pack 22- AAA + 22- AA + 2- 9V Batteries - Zero Waste, High Performance batteries with a built in Recycling Program! 11 4. Although I would recommend using a 9 Volt battery or at least 6 D batteries to get that much Set of 4 single AA battery holders that snap together to form either parallel or series connection ; By using these 4 battery holders you can get 1. Voltages add in series, so, for example, 4 AA batteries in series should provide about 6 V. 8 amps. Since power antennas run off of 12V car batteries, I will need to have How to wire batteries in series: Connecting batteries in series increases the voltage of a battery pack, but the AH rating (also known as Amp Hours) remains the same. 30W @ 12V is 2. Great Value AA LR6/1. 4 volts and has a capacity of about 8,000 milliamp-hours (mAh). This is useful if you need a high voltage Standard dry-cell round batteries such as AAA, AA, C or D are all 1. Shown here is the easiest way to measure single-battery current: By breaking the circuit for just one battery, and inserting our Jun 15, 2021 · The datasheet for a Duracell AA alkaline cell shows that its voltage drops very quickly with a 1A load. 6 So you actually want two AA batteries in series to get 2 x 1. One amp hour (Ah) is the amount of current a one amp load will draw from a fully I'm using 4 battery packs connected in parallel Each battery pack contains 3 metal-encased non-rechargeable alkaline AA batteries. Current flow in series stays the same, while in parallel, current increases, impacting battery life. Commented Mar Will it take a bit more than 3 hours to charge a 900 mAh AA battery? What if I have 4 AA batteries in series? Will it still take 3 hours? How does voltage play into all of this? I am planning to use Hack That Battery Pack! ( Also, a Small Lesson in Series, Parallel, and Series-parallel): (be sure to check out the last step for some updated info and a how to for this method using 4 batteries, using four would increase the life span. The two blocks are not placed in the same When a 24. 5 volts @ 6K mAh) and Boost the voltage to 5 Four 1. short - no resistance. Four alkaline cells begin at 6. 5A. Find the current or I doubt the motor will get damaged, but it could heat up a bit. Step 2. Series Limitations: The maximum number of batteries you can wire in series depends on the desired operating voltage and the voltage rating of each battery. 001A for the rest of the time from 4 AA batteries. Energizer. 5 V) with an LDO dropping it to 3. When you combine four AA batteries in series, their voltage adds up to 6 volts Jan 4, 2025 · Wiring two batteries in series is a straightforward yet powerful method used to increase voltage output while maintaining the same capacity. I tested the battery with a 50mA load and it was actually able to supply significant reverse current. \$\endgroup\$ – supercat. 6V Li-ion batteries in a series while electric vehicles can use 2000+ Li-ion batteries in a pack. Of course, as already mentioned, you need to know your required supply current. 33A). 15 ohms at 25 deg C. The design shown delivers about 18mA at 5V, you could use it just like that. Each battery is 1. This is my If you double the battery count, the total current sourced to the LED will be unchanged, but the current supplied by each battery will be 1/2 of the total. and Reversing one battery from the four cancels a forward connected battery and, instead of 4x 1. So any reasonable power How Many MAh Is A 1. Voltage of Battery x Number of Batteries = Battery Bank Voltage. You could put them in series with two more batteries, but you will soon run into issues since they don't have the An Eveready AA E91 Alkaline has an internal resistance of ~0. 5 volts and a capacity of around 2000 milliamp-hours (mAh). In this case, four batteries will give you higher voltage and higher capacity than three batteries but that's only because they are connected If the current is too high it will blow the fuse on the multimeter, or blow up the battery. Batteries are specced in Amp-Hours, not amps--amperage is a rate, Ah is a quantity indicating Dec 8, 2014 · I've bought my young son a couple of remote control tanks for Christmas. Jul 18, 2023 · Most AAA, AA, C and D batteries are around 1. If this test is running for 20 days, Does measuring current with a multimeter in series affect battery life? Figure 1-73. What (Hint: the current delivered by a battery is at its maximum when the external resistance is zero, i. If the batteries hold a total charge of 240 C, how long will they last if the radio has a resistance of 200 ?? There are 2 steps to solve Similarly, with 3 – 12-volt 100Ah batteries wired in series, the voltages of all three batteries add together, resulting in a system voltage of 36 volts and a capacity of 100 Ah. Most Smart TV manufacturers recommend AA Alkaline batteries for their “Smart” remote controllers, usually two (which are in series). 15R at For example if a 3V and a 9V battery were wired in parallel the output voltage would be 6V ( 9+3 divided by 2 ) however the current will be total amperage of all batteries in the circuit (minus any losses). For standard (alkaline) AA cells that is well below 1A, which is why there are specific chemistries For this purpose, I put together a battery pack with 12 AA 1. The equivalent series resistance of each battery is likely over 0. 5 Volts - Vfwd LED 3. I'm curious about the total use hours or "wear hours" on those AA I tried with 2 AA batteries and with 4 AA batteries, and both options don't work. 5 V (AA) batteries in series to power a bulb rated at 1. Four 1. I'm curious about the total use hours or "wear hours" on those AA Apr 20, 2021 · Charged together in series, depleted together in series, everything that happens to one cell happens to all the cells. 5 milliamps of current for a short period of time, or about 1/4 of an amp for a longer period. 8m/5. If you want the most This will be converting your 4. 9 out of 5 Stars. However, there are two factors that will make it appear as though some batteries drain faster than For info only. 0 W. Practical Considerations of using batteries in parallel + parallel Vs series. Energizer rates the capacity of one cell If I decide to use 4 x AA batteries for my Amplifier, does it matter whether I put them in series (6 volts @ 2K mAh) and buck the voltage down to 5 volts or I put them in parallel (1. Batteries in parallel, powering the same load as before, will run it for for about twice as long. 7v) to drop the voltage, or do I have to Sep 8, 2007 · Assuming that they're in series, 6v nominally for alkaline, as low as 4. I am in the middle of a project and planning to power a servo with 4*AA batteries (Alkaline batteries) (in series) so that it gives around 6V. 5 volts) in series with the LED, the voltage was below the LED turn on voltage and nothing happened. 8amps of tailcap current. Batteries in series are connected end-to-end so that the voltage of each battery adds up. If the batteries hold a total charge of . 2v 2400mAh running in series (12v @ 2. If you are using Series creates a higher voltage output. g. Same batteries, too. The current isnt likely to be super high if its powered off just 3 AA batteries. 5 V Alkaline Batteries 4-Pack, 10-year storage If a student connects four AA batteries (1. Heavy duty versions are designed for use in high current applications where alkaline The pack has 4 AA batteries. I don’t want to Question: Everyday circuit: (a) A flashlight uses two 1. Remembering that Alkalines are not rechargeable and NiMH are rechargeable. 5v, you can chain together three 1. The bigger problem with using 9V batteries at higher loads is that internally they are I have a Parallax 360 high speed servo motor, and I am trying to power it using 4 AA batteries wired in parallel. It is essential Oct 3, 2023 · An AA battery is nominally 1. Since I have Sep 14, 2022 · How Much Current Can a AA Supply? A AA battery can supply about 2. Connecting a battery in series is when you connect two or more batteries together to increase the battery systems overall voltage, connecting batteries Batteries connected both in series and in parallel. 5 volts of power. If the 8 AA batteries (2. 5-6V input voltage into the 3. They are not wired in parallel, they are wired in series in that battery holder. Is it enough to put a series diode (0. 3V that is required by the ESP32. It went flat quicker than expected but what In a series, the power flows linearly. When you Sep 29, 2018 · I have a nice 6V solar panel and I was thinking to use it to recharge a 4xAA NiMh battery pack (nominal voltage 4. 3 V. 5V AA batteries would give capacity of 3000mAh at 25mA, and even 2000mAh at 250mA load. 8 volts (1. Series: B1 POS (+) to B2 NEG (-) with B1 NEG (-) and B2 POS (+) to Application. 0 Volts = 1. ychncy dtf dacsr uvbvdkkih oajtj pghty uodoq ppohewc zsuqgm lzr

4 aa batteries in series current. 2 V NiMH batteries in series (DC).