Power & Batteries

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-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: 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-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-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: SF-PRT-11214 | Brand: SparkFun

MOSFETs are awesome. They’re like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy to switch a battery supply on and off using your favorite microcontroller. The board also ha...

SKU: AF-3238 | Brand: Adafruit

This IEEE 802.3af PoE splitter separates power and data from a single PoE Ethernet cable, providing regulated 12VDC at up to 1A on a standard 2.1 mm DC barrel jack alongside a standard Ethernet data connection. It let...

SKU: AF-3310 | Brand: Adafruit

A 5.5×2.1mm DC barrel connector plug for adding a standard power connector to the end of your own wires. The outer shell unscrews to reveal solder terminals and a crimp strain relief, making it easy to wire up custom ...

SKU: SF-PRT-10592 | Brand: SparkFun

This is the SMD version of PRT-07948, which is the unit we like to use as RTC backup and SRAM backup for GPS units. Holds battery in place with friction. The metal housing connects to the positive side of the batte...

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-COM-12766 | Brand: SparkFun

The L7812 is a three-terminal positive voltage regulator with a fixed 12V output. It provides stable local regulation with built-in protection against overcurrent, thermal overload, and short circuits, making it a rel...

SKU: SF-PRT-10287 | Brand: SparkFun

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack...

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: SF-PRT-12711 | Brand: SparkFun

The SparkFun USB LiPoly Charger is a single-cell Li-Ion/Li-Polymer battery charging board based on the MCP73831T. It charges 3.7V LiPo cells at a selectable rate of 500 mA or 100 mA via a solder jumper, with power inp...

SKU: SF-PRT-10217 | Brand: SparkFun

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells ...

SKU: LB-LS7856 | Brand: Little Bird

Keep your devices powered and connected with this USB-A to USB-C cable. Its 1m length is ideal for tidy setups, travel, or reducing cable clutter while charging or transferring data between USB-C devices and computers...

SKU: SF-CAB-19718 | Brand: SparkFun

This USB-A to USB-C cable features a built-in LCD display on the USB-C connector that shows real-time power draw, so you can monitor charging current at a glance. With support for up to 6A output and USB 2.0 data rate...

SKU: EF-EF10131 | Brand: ElecFreaks

An 80 cm white Micro-USB cable suitable for powering and programming the BBC micro:bit and other Micro-USB devices. The 4-core shielded cable supports both charging (up to 2A) and data transfer simultaneously. Key Fe...

SKU: SF-PRT-14411 | Brand: SparkFun

The SparkFun LiPo Charger/Booster is a compact board that charges a single-cell lithium polymer battery and boosts its output to a regulated 5V at up to 1A. Built around the MCP73831 charge controller and PAM2401 boos...