Adafruit
Lithium Ion Polymer Battery - 3.7v 100mAh
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 sma...
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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 where space is limited.
The battery comes pre-wired with a genuine 2-pin JST-PH connector for reliable, smooth plug-in connections. Built-in protection circuitry guards against overcharging (above 4.2 V), over-discharge (cuts off at 3.0 V), and output short circuits.
Key Features
- 3.7 V Nominal Voltage – Output ranges from 4.2 V (fully charged) to 3.0 V (cut-off)
- ~100 mAh Capacity – Approximately 0.4 Wh total energy
- Genuine JST-PH Connector – 2-pin connector with smooth, reliable fit
- Built-In Protection – Overcharge, over-discharge, and short-circuit protection
- Compact and Lightweight – Ideal for space-constrained projects
Specifications
- Chemistry – Lithium-ion polymer (LiPo)
- Nominal Voltage – 3.7 V
- Capacity – ~100 mAh
- Connector – 2-pin JST-PH
- Protection – Overcharge, over-discharge, short circuit
- Recommended Charge Rate – 100 mA or less (1C)
Ideal For
- Wearable electronics
- Compact IoT devices
- Small microcontroller projects
- Portable sensor builds
Package Contents
- 1× Lithium Ion Polymer Battery, 3.7 V 100 mAh (with JST-PH connector)
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 LiPo (lithium polymer) battery is a rechargeable lithium battery widely used in portable projects because it is light and compact. LiPo cells need correct charging circuitry and careful handling to stay safe, so equipment that supports LiPo generally includes charging or protection hardware suited to that battery type.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- 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.
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Power & Batteries
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