Doublepow 14500 3.7V 850mAh AA Rechargeable Lithium-ion Battery

The Doublepow 14500 3.7V 850mAh AA Rechargeable Li-ion Battery is a compact, high-performance rechargeable battery designed for electronics enthusiasts, engineering students, robotics developers, IoT projects, and portable electronic devices. Although it has the same physical size as a standard AA battery, this battery operates at 3.7V, making it suitable only for devices specifically designed for 14500 Li-ion batteries.

Its 850mAh capacity provides reliable power for flashlights, Arduino projects, ESP32 development boards, Raspberry Pi accessories, wireless modules, sensors, portable test equipment, and DIY electronics. With rechargeable lithium-ion technology, users can reduce battery replacement costs while enjoying stable voltage and long service life.

For Bangladeshi students, engineers, makers, and hobbyists, the Doublepow 14500 battery is an excellent choice for powering prototypes, robotics competitions, embedded systems, and portable electronics.

Important: Do not replace a standard 1.5V AA battery with this 3.7V 14500 battery unless your device explicitly supports 3.7V lithium-ion batteries.

Features:

• High-quality Doublepow rechargeable Li-ion battery
• Standard AA (14500) size
• 3.7V nominal output voltage
• 850mAh battery capacity
• Rechargeable hundreds of times
• Stable power output
• Lightweight and portable
• Low self-discharge
• Environment-friendly alternative to disposable batteries
• Perfect for DIY electronics and embedded systems

Specifications: