4*10 18650 Battery Holder ( Integrated, Not Stitching) Used For 4p10s 36v 10ah Li-ion Battery Pack Electric Bike Battery Bracket - Tool Parts - AliExpress
1S1P 3.6V (3.7V) 3500mAh 10A 18650 Battery with Wire Leads - LG MJ1 ce – Liion Wholesale Batteries