Adafruit
Lithium Ion Polymer Battery with Short Cable - 3.7V 350mAh
A compact 3.7 V 350 mAh lithium-ion polymer (LiPo) battery with a short cable and genuine 2-pin JST-PH connector. The slim, lightweight form factor makes it ...
A compact 3.7 V 350 mAh lithium-ion polymer (LiPo) battery with a short cable and genuine 2-pin JST-PH connector. The slim, lightweight form factor makes it ideal for wearables, IoT devices, and portable electronics projects.
The battery includes built-in protection circuitry that guards against overcharging (above 4.2 V), over-discharge (below 3.0 V), and output short circuits. The genuine JST connector clicks smoothly in and out of matching jacks without snagging.
Key Features
- 350 mAh Capacity – Approximately 1.3 Wh of energy
- 3.7 V Nominal – Output ranges from 4.2 V (fully charged) to 3.0 V (cutoff)
- Built-in Protection – Overcharge, over-discharge, and short circuit protection
- Genuine JST-PH Connector – 2-pin connector with short cable
- Lightweight – Thin LiPo form factor
Specifications
- Chemistry – Lithium-ion polymer (LiPo)
- Nominal Voltage – 3.7 V
- Capacity – 350 mAh
- Connector – 2-pin JST-PH
- Protection – Overcharge, over-discharge, short circuit
Ideal For
- Wearable electronics and small IoT devices
- Arduino, Feather, and microcontroller projects
- Portable gadgets and prototypes
Jargon buster
Plain-language definitions for the technical terms used above.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- LiPo
- A lithium polymer rechargeable battery commonly used in portable electronics projects. It matters because LiPo batteries need correct charging circuitry and care, and this board includes hardware intended for that battery type.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- pH
- A measure of how acidic or alkaline a liquid is, on a scale where 7 is neutral. For a water monitoring kit, pH tells you about water chemistry and whether the included probe matches the range and accuracy your project needs.
- Short circuit protection
- A safety feature that helps protect the device if its output or wiring is accidentally connected in a way that causes excessive current flow. This matters in automation wiring because mistakes or damaged cables can otherwise destroy the sensor or power supply.
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Power & Batteries
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