Batteries

SKU: AF-4712 | Brand: Adafruit

The Adafruit LC709203F Fuel Gauge monitors your single-cell LiPo or Li-Ion battery and reports both voltage and state of charge as a percentage over I2C. It handles the non-linear voltage-to-percentage conversion for ...

SKU: TB-MB3703 | Brand: Little Bird

This 4-channel universal charger handles Ni-MH, Ni-Cd, Li-ion, and LiFePO4 cells simultaneously across four independent slots. Each battery is monitored individually by a microprocessor with precise Pulse Width Modula...

SKU: LB-LS6460 | Brand: Little Bird

A battery box with a built-in 130 DC motor and on/off switch — a simple, self-contained power and drive unit for beginner robotics, model vehicles, and STEM projects. Just add batteries and connect to your build. Spe...

SKU: SF-TOL-23322 | Brand: SparkFun

A 10 Ah power bank with a digital display showing remaining battery percentage — far more precise than the typical four-LED indicator. Three integrated cables (USB-C, Lightning, and Micro USB) fold neatly into the bod...

SKU: AF-5397 | Brand: Adafruit

The Adafruit LiIon/LiPoly Charger BFF is a compact battery charging add-on designed to mount directly onto the back of any QT Py board. It makes portable power simple — plug in a standard 3.7 V/4.2 V lithium battery, ...

SKU: AF-4191 | Brand: Adafruit

A slim 2×AAA battery holder with a built-in on/off switch and genuine JST PH connector. Two AAA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and...

SKU: AF-3842 | Brand: Adafruit

A compact battery holder for three AA cells with an integrated power cable and DC barrel jack. The series configuration delivers approximately 3.6–4.5V depending on battery chemistry, making it a convenient power sour...

SKU: AF-3951 | Brand: Adafruit

A 2×AA battery holder with a built-in knife switch for controlling power. Unlike typical slide switches, the knife switch provides a clear visual indicator of open and closed circuit states — making it an excellent to...

SKU: LB-LR0335-Y | Brand: Little Bird

This 5-metre length of EL wire (electroluminescent wire) glows a vibrant yellow when powered by the included battery-operated inverter. EL wire is a flexible, phosphor-coated wire that produces a cool, even glow simil...

SKU: TB-SB2329 | Brand: Little Bird

A 24-pack of Eclipse alkaline AA batteries. General-purpose disposable batteries suitable for a wide range of electronics, toys, remote controls, and other devices. Specifications Type – AA (LR6) Chemistry – Alkal...

SKU: TB-PH9203 | Brand: Little Bird

This holder provides a simple way to add one AA cell to a battery-powered project. It is moulded in Delrin and uses corrosion-resistant nickel-plated springs and studs for reliable contact.The 150 mm bare lead connect...

SKU: AF-1570 | Brand: Adafruit

A compact 3.7 V lithium-ion polymer (LiPo) battery with approximately 100 mAh capacity (0.4 Wh). Thin, lightweight, and powerful, this cell is suited for small wearable projects, IoT devices, and compact electronics w...

SKU: AF-1868 | Brand: Adafruit

A simple breakout board with a CR1220 coin cell battery holder pre-soldered and broken out to 0.1″ pitch pins. Ideal for powering very low-current projects or providing battery backup for a real-time clock (RTC) modul...

SKU: AF-1870 | Brand: Adafruit

A simple sewable breakout board with a CR2032 coin cell battery holder pre-soldered on and 0.1" pitch breakout pins for easy connection. Ideal for powering very low-current projects or adding a battery backup circuit ...

SKU: AF-248 | Brand: Adafruit

A 6×AA battery holder with a 5.5mm/2.1mm DC barrel plug, ready to power Arduino boards and other electronics with a standard DC jack. Use alkaline AAs for approximately 9V at 3000–4000mAh, or rechargeable NiMH cells f...

SKU: AF-3286 | Brand: Adafruit

A slim 3×AAA battery holder with a built-in on/off switch, JST 2-pin connector, and an ergonomic belt clip. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making i...

SKU: AF-3287 | Brand: Adafruit

A compact 3×AA battery holder with a built-in on/off switch, JST 2-pin connector, and an ergonomic belt clip. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making...

SKU: SF-PRT-10512 | Brand: SparkFun

A snap-in 9V battery holder with a 5.5mm/2.1mm centre-positive barrel jack connector. The battery clicks securely into place, and three mounting holes allow you to attach the holder to an enclosure or chassis. Key Fe...

SKU: SF-PRT-10255 | Brand: SparkFun

The LiPower board is based on the incredibly versatile TPS61200 boost converter. The board is configured to be used with a LiPo battery, has solder jumper selectable 5V and 3.3V output, and an under voltage protection...

SKU: AF-770 | Brand: Adafruit

Keep your power source safe and toasty in these waterproof 2xAA battery holders. They're just like classic switched battery holders, but designed for survival! The case has a rubber gasket around the edge of the ca...