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18650 3.7v li-ion rechargeable battery with charge protection
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$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 microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
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Power & Batteries
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