Batteries


Battery Holder - 4xAA Square
Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration...
R29.82 (exc VAT)
Battery Holder 2xAA with Cover and Switch - JST Connector
This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small Phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 150mm and are terminated with a JST-XH (2.50mm pitch) connector. Dimensions: 67.9 x 32.8 x 18.25mm..
R19.30 (exc VAT)
SparkFun LiPo Charger Basic - Mini-USB
If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery. The board incorporates a charging circuit, status LED, connector for your battery (JST-type used in the batteries we carry), and a mini-USB connector. However, we do not recommend this charger with a 110mAh battery. Note: This version uses a mini-USB cable. We also have this charger with a micro-USB connection as well. Dimensions: 34.1x13.2mm Documents: Schematic Eagle Files D..
R129.82 (exc VAT)
1500 mAh Alkaline Battery - AA
These are your standard 1.5V AA alkaline batteries from Duracell. Don’t even think about trying to recharge these. Roughly 1500mAh per AA cell. Combine 4 to get ~6V peak, and ~4.8V as they hit their discharge curve. Sold in single units. But if you order four at a time, it makes it easy for us to package them. Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken...
R9.21 (exc VAT)
9V Alkaline Battery
These are your standard 9 Volt alkaline batteries from Rayovac. Don’t even think about trying to recharge these. Use them with Arduinos or with a voltage regulator to get a solid 5V for your project. Check below for 9V connectors. Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken...
R39.04 (exc VAT)
9V Battery Holder
This 9V battery holder allows your battery to snap in tight and holds it in place, which is great in situations where you don’t want the battery just hanging. It also has three mounting holes so you can attach it securely to your enclosure. It is terminated with a standard 5.5x2.1mm, center-positive barrel jack...
R52.19 (exc VAT)
Battery Holder - 1xAA (PTH)
PCB mount clip to hold a AA battery. Sold in single units, you’ll need two. These work great for small, low power applications that need a battery to run. Low cost and easy to use! Documents: Datasheet ..
R6.58 (exc VAT)
Battery Holder - 1xAAA (PTH)
PCB mount clip to hold a AAA battery. Sold in single units, you’ll need two for each battery. These work great for small, low power applications that need a battery to run. Low cost and easy to use! Documents: Datasheet ..
R6.58 (exc VAT)
Battery Holder - 2x18650 (wire leads)
This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first, which is fair since that is what they have been primarily used for. However, with this battery holder you will gain the ability to incorporate 18650 cells into applications like robotics or prototyping by simply dropping one into this device and attaching the leads, that’s it. Every 18650 Battery Holder is equipped with two 6" cables for power and ground, each have been terminated with bare wire leads. Dimensions: Holder: 74.5mm x 40.8mm x 17.7mm (2.93" x ..
R25.88 (exc VAT)
Battery Holder - 2xAAA with Cover and Switch
This 2xAAA battery holder puts a nice finishing touch on your battery-powered project. This holder features a sliding, removable cover as well as an ON/OFF switch that can be used to control power to your project. The leads are about 150mm long, and the last 5mm of them are tinned. Dimensions: 63 x 25 x 15mm..
R19.30 (exc VAT)
Battery Holder - 4xAA to Barrel Jack Connector
This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino (among a number of other products) allowing you to easily make your project battery powered. Note: the average voltage regulator has about 1V of dropout (but can vary greatly). This pack, with normal alkaline batteries, will output ~5.5V causing a normal 5V board to run at around 4 to 4.5V. This depends a lot of what board and processor you are using with the battery pack. Please consult yer datash..
R52.19 (exc VAT)
Battery Holder 3xAA with Cover and Switch
This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 150mm, and the last 5mm of them are tinned. Dimensions: 68.5 x 47.5 x 19.6mm..
R25.88 (exc VAT)
Coin Cell Battery - 12mm (CR1225)
CR1225 lithium metal 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor node applications. These batteries are sold in single units. Note: This battery is not available to ship to Alaska or Hawaii, or through any express services (2-day, overnight), or internationally. This is temporary! Check out our blog post for more information. Additionally orders may take longer to process and therefore do not qualify for same-day shipping. Sorry for any inconvenience this may cause! Note: This item is non-returnable. If this item arrives damaged or is not functioning proper..
R13.16 (exc VAT)
Coin Cell Battery - 20mm (CR2025)
This is the CR2025 20mm coin cell battery. You may be wondering what sets this guy apart from the more common CR2032 coin cell battery, the answer is actually quite important. The CR2025 is actually 0.7mm thinner, than the CR2032, and is only rated at 165mAh. Some applications need a thinner battery to conserve space, and the CR2025 fits the bill. This thin guy is a perfect mid-sized battery for calculator and remote control applications! Note: This battery is not available to ship to Alaska or Hawaii, or through any express services (2-day, overnight), or internationally. This is temporar..
R25.88 (exc VAT)
Coin Cell Battery - 24.5mm (Rechargeable CR2450)
A really cool rechargeable Lithium Ion coin cell battery. The battery is rated for 3.6V @ 110mAh - a great way to run a small embedded project for hours. This battery is a standard CR2450 battery size. Note: This battery is not available to ship to Alaska or Hawaii, or through any express services (2-day, overnight), or internationally. This is temporary! Check out our blog post for more information. Additionally orders may take longer to process and therefore do not qualify for same-day shipping. Sorry for any inconvenience this may cause! Note: This item is non-returnable. If this item arr..
R52.19 (exc VAT)
Coin Cell Battery Holder - 20mm (PTH)
Basic 20mm coin cell holder. Posts can be inserted into 0.1" perf board! Holds the common CR2032 type batteries. Documents:Datasheet..
R13.16 (exc VAT)
Coin Cell Battery Holder - 20mm (SMD)
Now for all of your coin cell battery surface mount needs, the 20mm SMD Coin Cell Holder. This holder fits our 20mm Lithium Ion coin cell battery and holds the battery in place with friction. The metal housing connects to the positive (+) side of the battery and the PCB pad underneath is connected to the negative (-) side. Documents: Datasheet ..
R13.16 (exc VAT)
Coin Cell Battery Holder - 24.5mm (PTH)
Through-hole 24.5 mm coin cell holder. This holder fits our rechargeable 24.5mm Lithium Ion coin cell battery. Holds battery in place with friction. Metal housing is +, PCB pad underneath is -. Documents: Datasheet ..
R15.79 (exc VAT)
Coin Cell Battery Holder - 2xCR2032 (Enclosed)
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two phillips head screws. Each battery holder will run batteries in series, output up to 6V, and is equipped with an On/Off slide switch and two 6" power wires (one positive and one negative) on the back...
R32.46 (exc VAT)
Lithium Ion Battery - 6Ah
If you need some juice, this 6Ah Lithium Ion Battery is for you. These are very compact batteries based on Lithium Ion chemistry. This is the highest energy density currently in production. Each cell outputs a nominal 3.7V at 2000mAh! This solid 3 cell pack (6Ah) comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins. Do not attempt to charge these with anything but a charger specifically designed for Lithium Polymer batteries. These three cells have been matched for internal impedance and can be fully charged and discharged in parallel. Please use caution when us..
R494.30 (exc VAT)
Lithium Ion Battery - 850mAh
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850mAh! Comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins. These batteries require special charging. Do not attempt to charge these with anything but a specialized LiPo charger. Battery includes built-in protection against over voltage, over current, and minimum voltage. Please use caution when using this battery in wearable projects. When using conductive thread, a short in the thread can create sparks and heat. We recommend using coin ce..
R142.98 (exc VAT)
Lithium Ion Battery Pack - 2.2Ah (USB)
Power on the go? Why didn’t you ask? We’ve got plenty! These portable, rechargeable lithium ion battery packs are simple, compact and make for a great way to power your widgets in the field. Best of all, they’re dead simple to operate: just connect your device to the USB-A port on the battery pack and press the power button. A 7-segment LED will alert you to the charge level of the battery and start powering your device. To recharge the battery pack, just plug it into your computer or phone charger using the included USB micro-B cable. This particular battery pack has a 2,200mAh capacity and ..
R129.82 (exc VAT)
Lithium Ion Battery Pack - 5Ah (USB)
Power on the go? Why didn’t you ask? We’ve got plenty! These portable, rechargeable lithium ion battery packs are simple, compact and make for a great way to power your widgets in the field. Best of all, they’re dead simple to operate: just connect your device to the USB-A port on the battery pack, and that’s it! A four-tier status LED will alert you to the charge level of the battery and start powering your device. Each battery pack is equipped with an attached microUSB to charge your chosen device. To recharge the battery pack, just plug it into your computer or phone charger using the inclu..
R207.89 (exc VAT)
SparkFun 3.3V Step-Up Breakout - NCP1402
The NCP1402 is a 3.3V DC-DC converter. The breakout board will accept voltage inputs between 1 and 3 Volts (such as 1 or 2 AA batteries) and output a constant, low ripple 3.3V output capable of sourcing up to 200 mA. This board is great for supplying power to 3.3V sensors or providing 3.3V from a a single AA battery. The breakout board includes the necessary peripheral components. The input, output and ground pins are broken out on a 0.1" grid to allow easy access on a breadboard. Documents: Schematic Eagle Files Datasheet GitHub (Design Files) ..
R93.42 (exc VAT)
SparkFun 5V Step-Up Breakout - NCP1402
The NCP1402 is a 5V DC-DC converter. This breakout board will accept voltage inputs between 1 and 4 Volts and output a constant, low ripple 5V output capable of sourcing up to 200 mA. This board is great for supplying power to 5V sensors on a 3.3V board, or providing 5V from a AA battery. The breakout board includes all of the necessary peripheral components. The input, output and ground pins are broken out on a 0.1" grid to allow easy access on a breadboard. Documents: Schematic Eagle Files Datasheet GitHub (Design Files) ..
R93.42 (exc VAT)
SparkFun LiPo Fuel Gauge
LiPo batteries are a great way to power your projects. They’re small, lightweight, and pack a pretty good punch for their size. Unfortunately, even the best batteries eventually run low on power and when they do it’s often unexpected (and at the worst time). Don’t be caught by surprise next time your board suddenly powers-down! The SparkFun LiPo Fuel Gauge connects your battery to your project and uses a sophisticated algorithm to detect relative state of charge and direct A/D measurement of battery voltage. In other words, it tells your microcontroller how much ‘fuel’ is left in the tank. The..
R156.14 (exc VAT)
SparkFun LiPoly Fast Charger - 5V Input
A SparkFun original Lithium Polymer charger. This little black box charges single cell lithium polymer batteries with a max rate of 1A. The charge output is via a 2-pin screw terminal. Top pin is ground, bottom pin is charge pin. Based on the popular Microchip part MCP73843-410. Note: This charger requires a 5V 1A power supply but does NOT include one with the order. A power supply will need to be purchased separately. Documents: MCP73843 Datasheet Schematic Pinout ..
R389.91 (exc VAT)
SparkFun Power Cell - LiPo Charger/Booster
The PowerCell board is a single cell LiPo boost converter (to 3.3V and 5V) and micro-USB charger in one. The board comes with a JST connector for a single cell LiPo battery, a micro-USB connector for the 5V charge input, and selectable 3.3V and 5V output pins (labeled ‘out’). There are also two charge pins broken out (labeled ‘charge’), so you can use another 5V power source to charge the batteries, if you don’t have a micro-USB cable. We’ve also broken out the power-save and enable pins, so that you can have full control of the switching regulator. Keep in mind, if you keep your battery con..
R312.28 (exc VAT)
SparkFun USB LiPoly Charger - Single Cell
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun USB LiPo Charger is a basic charging circuit that allows you to charge 3.7V LiPo cells at a rate of 500mA or 100mA. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. The board incorporates a charging circuit, status LED, selectable solder jumper for 500mA or 100mA charging current, external LED footprint, USB input, two pre-installed JST connectors for SYS OUT and BATT IN, and (back by popular demand) a barrel jack connector. There is also a ‘SYS OUT’ with a pre-instal..
R234.21 (exc VAT)
SparkFun Wake on Shake
Have you ever wanted your project to just “hibernate” until someone picks it up or moves it? It’s a great strategy for dramatically extending the battery life of a widget that doesn’t need to be active all the time. The SparkFun Wake-on-Shake board is designed to make it really simple to do just that! The Wake-on-Shake, based on a concept by Nitzan Gadish of Analog Devices, combines the ATTiny2313A with the ADXL362 low-power MEMS accelerometer to cut power to your project for long periods of time, all the while waiting for a shake or a bump and sipping < 2uA @ 3.7V! With power consumption th..
R389.91 (exc VAT)
5V DC to DC Step Up - 1xAA
The is a wonderfully simple 5V power source from Bodhilabs. This unit uses a single AA battery and generates 5V using a DC to DC step up circuit. A jumper is provided on the unit to disconnect power and includes a terminated (right is red) connector. Perfect for all those 5V applications that need to be small, and run on less than 100mA. Specifications: Voltage regulation: +5V +/-3% Typical current: 100mA or less. Typical ripple: 150mV peak-peak (*) @ 135kHz ..
R191.23 (exc VAT)
5V DC to DC Step Up - 2xAA
The is a wonderfully simple 5V power source from Bodhilabs. This unit uses a two AA batteries and generates 5V using a DC to DC step up circuit. A jumper is provided on the unit to disconnect power and includes a terminated (right is red) connector. Perfect for all those 5V applications that need to be small, and run on less than 200mA. Specifications: Voltage regulation: +5V +/-3% Typical current: 200mA or less. Typical ripple: 100mV peak-peak (*) @ 135kHz ..
R260.09 (exc VAT)
5V DC to DC Step Up - VPack PCB
The is a wonderfully simple 5V power source from Bodhilabs. This PCB uses a source of 1.1V to 4.5V and generates 5V using a DC to DC step up circuit. An empty footprint for a manual or wire jumper is provided on the unit to connect and disconnect power to the circuit. Perfect for all those 5V applications that need to be small, and run on less than 300mA from a variety of power cells. Specifications: Voltage regulation: +5V +/-3% Typical current: 300mA or less. Typical ripple: 150mV peak-peak (*) @ 135kHz Documents:VPack Datasheet..
R201.75 (exc VAT)
750 mAh Alkaline Battery - AAA
These are your standard 1.5V AAA alkaline batteries from Rayovac. Don’t even think about trying to recharge these. Roughly 750mAh per AAA cell. Combine 4 to get ~6V peak, and ~4.8V as they hit their discharge curve. Sold in single units. Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken...
R10.53 (exc VAT)
Battery Charger - 9V Li-Ion (dual)
Rechargeable 9V batteries are cool, but chargers for them are not very common. This charger can charge 2 9V Li-Ion or Ni-Mh / Ni-Cd batteries at once. Operating this battery charger is easy, just insert one or two 9V batteries into the compartments and plug it into an AC outlet. A standard 350mAh 9V battery can be fully charged in approximately 8 hours with this battery charger. Note: Please only use rechargable Li-Ion or Ni-Mh / Ni-Cd batteries with this battery charger. Features: Input: 110VAC / 40mA Output: 8.4VDC / 65mA LED Charge Indicator Indicator Status: Charging: Red Fully Charg..
R168.86 (exc VAT)
Battery Charger 4 Bay - NiMH
Need a simple and versatile battery charger? This one can charge 4 AA or AAA batteries at a time. Or, you can use it to charge 2 9V cells as well. It plugs directly into the wall and has status lights indicating charge status. Note: This will only work with NiMH batteries!..
R156.14 (exc VAT)
Battery Holder - 4xAA Cube
Simple 4 Cell AA Battery holder with 5" tinned leads, cube configuration...
R28.51 (exc VAT)
Battery Holder - 4xAA Drawer (Panel Mount)
Four AA batteries… there’s nothing like a simple, replaceable power source. This battery holder will hide your AA’s away behind your project panel so they’re out of the way but still easy to access. Load up the removable tray, slide it into the body, and click it in place. This battery holder works well as a panel-mount holder with screw-mount tabs. For full dimensions, check the datasheet below. Documents: Datasheet (BX0027) ..
R246.93 (exc VAT)
Battery Holder - 4xAA Rectangle
Simple 4 cell AA battery holder with 5" tinned leads, rectangle configuration...
R28.51 (exc VAT)
Battery Holder - 9V Drawer (Panel Mount)
This panel-mount 9V battery holder is perfect for projects where you have limited panel space but still need to get to your battery to change it. Simply install this battery drawer and your 9V battery will hide out of harms way. Mounts with two screws in the front (not included) and wires in with two solder tabs on the back. Documents: Datasheet (BX0023) ..
R93.86 (exc VAT)
Battery Holder 2xAAA with Cover and Switch
This 2xAAA battery holder puts a nice finishing touch on your battery powered project. This holder features a sliding, removable cover as well as an ON/OFF switch which can be used to control power to your project. The leads are about 150mm long, and the last 5mm of them are tinned. Dimensions: 63 x 25 x 15mm..
R19.30 (exc VAT)
Button Cell Battery - 11.6mm (LR44)
These LR44 button cell batteries are fairly common but it can be hard to keep them around. They fit our digital calipers, so if you use yours as much as we use ours, you may want to go ahead and pick up a spare. Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken. Features: 1.5 VDC R44 Size Button Cell Zinc-Manganese Alkaline Compatible with LR1154, AG13, A76, 157, etc. ..
R13.16 (exc VAT)
Cubelets - Battery Charger
Cubelets are powered by 3.2V LiFePO4 batteries, which can’t be charged with just any charger. This is the battery charger that you’ll need for the Cubelets Battery Block. It can charge both batteries at once and includes adapters for both 120 to 240VAC home and 12VDC automotive use! A built-in microprocessor automatically shuts down when batteries are fully charged. Charge 1 to 2 RCR123A from 1.5 hours to 3 hours. Built-in circuit provides thermal protection, overcharge protection, short-circuit protection, mechanical. and electrical protection against reversal polarity, and defective batter..
R50.88 (exc VAT)
Li-Ion/Polymer Battery Charger/Balancer - 50W, 5A
This charger accurately balances and charges Lithium Polymer, LiFe (A123), NiCd and NiMH batteries. It will handle LiPo/LiFe up to 6S and NiMH/NiCd up to 15S and shows individual cell voltage during charge with realtime updates throughout the charge cycle. The intuitive menu system means charging and cycling is an easy process and can be done quickly and accurately either in the field, by using a 12V input such as a car battery, or at home with a 12V power supply. Bundled with the charger are a number of input and output wires which should satisfy most any charging requirement. This charge..
R702.19 (exc VAT)
Lithium Ion Battery - 850mAh
These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 850mAh! Comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins. These batteries require special charging. Do not attempt to charge these with anything but a specialized LiPo charger. Battery includes built-in protection against over voltage, over current, and minimum voltage. Please use caution when using this battery in wearable projects. When using conductive thread,..
R142.98 (exc VAT)
Polymer Lithium Ion Battery - 6Ah
If you need some juice, this 6Ahr triple pack is for you. These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 2000mAh! This solid 3 cell pack (6Ahr) comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins. Do not attempt to charge these with anything but a charger specifically designed for Lithium Ion batteries. These three cells have been match for internal impedance and can be fully charged and discharged in parallel. ..
R494.30 (exc VAT)
Solar Charger and Battery Pack - 3500mAh
This solar charged battery pack is the size of a cell phone but packs a 0.6W solar cell, charging circuit, boost converter and 3500mAh of Lithium Polymer storage. Simply leave the battery pack with the solar panel facing up and when you need power, press the power button and dial over to the voltage you need. The unit has 9V/1A output as well as 5V output at either 1 or 2 Amps. We enjoy this product, and the young lady in the datasheet seems to thoroughly enjoy it! A standard USB-A type connector makes it easy to plug this thing into your favorite device and mini-B port can be used to charge..
R494.30 (exc VAT)
SparkFun "Uh-oh" Battery Level Indicator Kit
Under-powering a digital device can sometimes have pretty nasty consequences. Brown-out conditions can cause memory to get written or overwritten in odd ways, can cause unexpected behavior in connected systems and just generally screw up your day. One way to avoid this is to keep an eye on your battery voltage and turn off the system before it gets too low (or plug it in). We’ve whipped up a little board to help you out with this situation: the “Uh-oh” battery level indicator. At the heart of the “Uh-oh” board is the TL431ACLPG shunt regulator diode. The reference voltage can be adjusted by ..
R97.37 (exc VAT)
USB Battery Pack - 1000 mAh
Power on the go? Why didn’t you ask? We’ve got plenty! These portable, rechargeable lithium-polymer battery packs are simple, compact and make for a great way to power your widgets in the field. Best of all, they’re dead simple to operate: Just connect your device to the USB-A port on the battery pack and press the power button. An LED will alert you to the charge level of the battery and start powering your device. The battery pack will turn off on its own when your device stops drawing power from it. To recharge the battery pack, just plug it into your computer or phone charger using a USB m..
R285.96 (exc VAT)
USB Battery Pack - 1800 mAh
Power on the go? Why didn’t you ask? We’ve got plenty! These portable, rechargeable lithium-polymer battery packs are simple, compact and make for a great way to power your widgets in the field. Best of all, they’re dead simple to operate: Just connect your device to the USB-A port on the battery pack and press the power button. An LED will alert you to the charge level of the battery and start powering your device. The battery pack will turn off on its own when your device stops drawing power from it. To recharge the battery pack, just plug it into your computer or phone charger using a USB m..
R285.96 (exc VAT)

Store Information