Tianjin Liwei New Energy Technology Co., Ltd.

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Link W 21AH Lithium Battery Long Life Power

January 05, 2026
Discover the Link-W 3.2V 21AH High-Performance Lithium-Ion Battery Cell, engineered for demanding applications. This premium battery offers exceptional energy density, providing 21AH of reliable power in a compact design (22x70x134MM). Its long cycle life ensures durability and a lower total cost of ownership, making it ideal for various complex scenarios. Experience stable output across a broad operating temperature range, ensuring consistent performance wherever you need it.

With a nominal voltage of 3.2V and a charging voltage of 3.65V ±0.05V, this cell is built for efficiency. The Link-W battery is designed for easy integration into your equipment, balancing high capacity with manageable weight (approx. 460g).

Got questions? Charging time varies with charger current, but expect over 10 hours with a 2A charger. For optimal performance, charge between 0°C and 45°C, and discharge between -20°C and 60°C.

Upgrade your power solutions with Link-W. Click the link in the description to learn more and power your projects with confidence!