Custom Lithium Ion Battery Pack 1S-3S 3.7V-11.1V 2000mAh-2900mAh for Power Tools Consumer Electronics Solar Energy Storage SUNBOND. High-performance, customizable lithium-ion battery pack with NCM/LiFePO4 chemistry, built-in BMS, and long cycle life (1000-6000 cycles). Designed for diverse applications including power tools, consumer electronics, solar energy storage systems, electric bicycles/scooters, and more. Offers stable power supply, lightweight design, and OEM/ODM support. Ideal for industrial and residential energy solutions.More