
Rechargeable Power Lithium Ion Battery Pack 10s4p 36V 11.6ah Li-ion Batteries with 2900mAh Cells. Customized Battery Packs: Professional engineers provide tailored solutions for structure, cells, and protection systems. Comprehensive Warranty: 1-year warranty covering free repair or replacement for confirmed non-human factor defects. High Cycle Life: Endures 500 charge-discharge cycles with stable performance and low self-discharge rate. Multiple Certifications: CE, RoHS, MSDS, UN38.3, CB, and KC certified for safety and international compliance. Free Sample Policy: Free samples available for orders under 3 pieces; customer only pays shipping costs. Rapid Production: Sample lead time 7-10 days; bulk orders shipped within 15-20 working days. Advanced Safety Testing: Passed 150C thermal shock, 1.2m drop, short circuit, overcharge, and over-discharge tests. Flexible Payment Terms: Accepts T/T, PayPal, Western Union, and other methods with 50% deposit option.