DIY Custom Battery Pack 2500mAh 8c 18650 High Current Lithium Raw Cell

DIY Custom Battery Pack 2500mAh 8c 18650 High Current Lithium Raw Cell. 8C Medium-high Rate Discharge: 20A burst instant output balances big capacity & strong peak power for dual-demand equipment. Heat Dissipation Optimized Structure: Improve excessive heating under high pulse discharge; upgraded electrode design speeds internal heat dissipation. Dual-use High-energy Core: Fit for large-capacity handheld massager, medium brushless power tool & mid-size racing drone needing endurance+burst power.