Battery accessories provide the mechanical and electrical interface needed to incorporate portable cells into a project. Holders are available for common sizes, from single AAA or AA cells to larger 18650 and 9 V blocks, offering PCB‑mount clips, snap‑in enclosures, and optional covers or switches that protect the connection and simplify replacement. Connectors such as snap leads or standard Molex pins translate the cell’s voltage to the circuit while maintaining reliable polarity.
Rechargeable packs combine several cells into a single unit with a convenient lead, delivering higher capacity and longer run times without frequent swapping. Low‑power timers add precise on‑delay control while drawing only negligible standby current, making them ideal for duty‑cycled or standby‑sensitive designs. Across the range, emphasis is on compatibility with standard footprints, robust contact, and straightforward integration into embedded and automation builds.
Code: SKU-010251
A 2 x AAA battery box with a JST connector for powering the micro:bit. More Details...
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Code: SKU-010252
A 2 x AAA battery box with a JST connector and on/off switch for powering the micro:bit. More Details...
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Code: SKU-005350
These are your standard 1.5V AA alkaline batteries from Panasonic. More Details...
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Code: SKU-002459
This is a generic rechargeable AA NiMH battery with a capacity of 2200 mAh. These batteries are well-suited for powering small- to medium-sized robots and can be used with our AA battery holders . You will need to charge these batteries before you first use them. More Details...
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Code: SKU-002458
This is a generic rechargeable AAA NiMH battery with a capacity of 900 mAh. These batteries are well-suited for powering small- to medium-sized robots and can be used with our AAA battery holders . You will need to charge these batteries before you first use them. More Details...
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Code: SKU-009956
The LiPo Fuel Gauge communicates with your project over I2C, and an alert pin also tells you when the charge has dropped below a certain percentage. More Details...
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Code: SKU-010697
The SparkFun Soft Power Switch - JST 2mm is like the power button on your laptop, but for your own electronic creations! More Details...
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Code: SKU-005853
This USB Power Meter is a versatile tool that can provide voltage, current, capacity, and impedance displayed on the built-in LCD display. More Details...
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