Power & Batteries

SKU: AF-4216 | Brand: Adafruit

If you need to add a panel-mount connection but don't have the time or ability to cut a custom oval or square hole, this USB B Round Panel Mount Extension Cable is the easiest and fastest way to panel-ify your project...

SKU: AF-4108 | Brand: Adafruit

A straight USB Type C male plug designed for building custom USB cables with DIY ribbon cable kits. Attach this plug to one end of a compatible ribbon cable using the flex cable clip — no soldering required. Mix and m...

SKU: DF-FIT0573 | Brand: DFRobot

A semi-flexible monocrystalline solar panel rated at 5V and 2A (10W maximum power) with up to 21% conversion efficiency. The ultra-thin, waterproof design weighs just 142g, making it significantly lighter than glass-p...

SKU: SF-PRT-14765 | Brand: SparkFun

The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out the Texas Instruments TXB0104 4-bit bi-directional voltage-level tran...

SKU: DF-DFR0535 | Brand: DFRobot

DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for IoT projects and renewable energy applications.   Solar Power Manager is ...

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-3661 | Brand: Adafruit

The Adafruit MiniBoost is a tiny charge-pump voltage booster that converts 3–5 V input to a regulated 5 V output at up to 100 mA. About the size of a linear regulator, it's an easy drop-in solution for battery-powered...

SKU: AF-4053 | Brand: Adafruit

This panel mount cable will allow you to enclose a device that has a USB A port, and also converts it to a modern USB C connector at the same time. Perfect for placing your project in a secure box! One end is a USB Ty...

SKU: AF-1459 | Brand: Adafruit

This inductive charging set provides wireless power transfer using a split-transformer design. The transmitter coil is powered with 9–12 V DC, and the receiver coil outputs 3.3 V DC — no direct wire connection between...

SKU: DF-FIT0554 | Brand: DFRobot

The LiitoKala Lii-402 is a four-slot smart charger that supports Li-ion, Ni-MH, and LiFePO4 rechargeable batteries. It automatically identifies Li-ion and Ni-MH battery types, with manual mode selection for LiFePO4 an...

SKU: TB-PH9203 | Brand: Little Bird

A single AA battery holder moulded in Delrin with corrosion-resistant nickel-plated springs and studs. It comes with 150 mm bare lead connection wires for easy integration into your projects. Specifications Cell Ty...

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-2124 | Brand: Adafruit

The Adafruit Pro Trinket LiIon/LiPoly Backpack is a tiny add-on board that sits on top of your Pro Trinket or ItsyBitsy, adding rechargeable LiPo battery support with automatic charging and power switching. When USB i...

SKU: DF-DFR0446 | Brand: DFRobot

In many applications, we will use lithium batteries as our power solutions. In this kind of application, the most two important things are the power boost and battery charger. These two points are a prerequisite for ...

SKU: DF-FIT0114 | Brand: DFRobot

This female to male DC power cable offers an easy solution for extending the length of a DC power supply. SPECIFICATIONS 2.1mm (0.08'') connector size High quality plug and jack with strain relie...

SKU: AF-2789 | Brand: Adafruit

The premise of this MicroUSB to 5.5/2.1mm DC Barrel Jack Adapter is simple. There's a MicroUSB plug on one end and a 5.5mm/2.1mm DC barrel jack with center positive polarity on the other. This allows you ...

SKU: AF-2777 | Brand: Adafruit

This USB to DC booster cable has an integrated boost converter that steps up 5V USB power to 9V DC, output through a centre-positive 2.1 mm barrel jack. It's a convenient way to power 9V devices from any USB port — wh...

SKU: SF-COM-00746 | Brand: SparkFun

A 10 F (farad) supercapacitor rated at 2.5 V. This compact energy storage device can be charged and slowly discharged to power low-current systems for extended periods. Two can be connected in series for 5 F at 5 V. ...