Multi Series Parallel 18650 Lithium Ion Battery Pack with Red & Black Lead Wires, Custom Rechargeable Power Battery

This high-capacity 18650 lithium battery pack is assembled with multiple brand new Grade A 18650 cylindrical cells in series and parallel. It is fully wrapped with thick blue heat shrink tube, which is insulation, moisture-proof, anti-extrusion and wear-resistant to fully protect internal cells for higher safety.

Pre-soldered red positive and black negative lead wires are equipped for direct connection, widely applied to high-power outdoor energy storage, power tools, industrial testing instruments, high-brightness lights, portable power stations and small household appliances without extra processing.

All cells are strictly sorted and matched with excellent consistency, low internal resistance, stable continuous discharge and long cycle life. Balanced charging & discharging performance effectively reduces heat and capacity attenuation.

We provide full customized service: All cell models and any capacity can be customized according to your requirements. We can adjust series-parallel layout, wire thickness & length, protection circuit and packaging size to match your equipment voltage, power and runtime demands.