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18650 3.7v li-ion rechargeable battery with charge protection
$12.35
$17.00
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A standard 18650 lithium-ion rechargeable battery with a built-in protection circuit for safe operation. The integrated PCB provides overcharge, over-dischar...
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A standard 18650 lithium-ion rechargeable battery with a built-in protection circuit for safe operation. The integrated PCB provides overcharge, over-discharge, and short-circuit protection, making it a reliable power source for electronics projects and portable devices.
Key Features
- 2500 mAh Capacity – Ample energy for extended runtime
- 3.7 V Nominal Voltage – Standard Li-Ion output
- Built-In Protection Circuit – Overcharge, over-discharge, and short-circuit protection
- 500+ Charge Cycles – Long service life with rechargeable design
- Standard 18650 Form Factor – 18 mm diameter × 65 mm length
Specifications
- Chemistry: Li-Ion
- Nominal Capacity: 2500 mAh
- Nominal Voltage: 3.7 V
- Protection Circuit: Integrated (overcharge, over-discharge, short-circuit)
- Cycle Life: ≥ 500 charge cycles
- Operating Temperature: -20°C to 60°C
Ideal For
- Arduino and ESP32 portable projects
- Robotics and DIY electronics
- LED torches and flashlights
- Power banks and battery packs
Package Contents
- 1× 18650 3.7 V 2500 mAh Li-Ion rechargeable battery
Warning: Do not short-circuit, puncture, incinerate, or expose to temperatures above 60°C. Use only with a compatible Li-Ion charger.
Jargon buster
Plain-language definitions for the technical terms used above.
- ESP32
- ESP32 is a family of low-cost microcontroller chips and modules from Espressif with built-in WiFi and Bluetooth. They support programmable firmware and over-the-air updates, and are commonly programmed with toolchains such as the Arduino core and ESP-IDF.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- PCB
- A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
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