
Customize Li-ion Lithium Battery Pack for Toys, Lamps Electronic Products 21700 7.4V 5000mAh with PCB. Comprehensive Protection Circuit: Includes overcharge, over discharge, and short circuit protection for safety. High Energy Density Design: Balances lightweight construction with extended battery life performance. Long Cycle Life: Delivers 500 cycles with low long-term usage costs. Customizable Wires and Connectors: Wires and connectors can be customized according to specific needs. Multiple Color Options: PVC film color is available in blue with other color options. OEM Logo Printing: Logo printing available on labels or silk-printed on metal/aluminum cases. Wide Certification Coverage: Certified with UN38.3, RoHS, MSDS, CB, UL, and CE for global compliance. Low Self Discharge Rate: Ensures excellent storage performance and long shelf life.