1. Aluminum substrate - improve heat dissipation performance 2. Thicken 2 times copper PCB board 3, with copper nose - easy wiring 4. 28 grain 2 milliohm MOS tube 5. Long-term continuous 100A Model: three strings 150A Applicable cells: ternary 3.7V Continuous current: less than equal 100A, 150A in short circuit Discharge current limit: 350A2% Charging voltage: 12.6V Charging current: less than equal 30A Balance current: 4.18V, turn on 108mah Overcharge protection: 4.25V0.025V Over-discharge protection: 2.70V0.025V Short circuit protection: 200us Temperature control protection: no On-resistance: 0.3mR Self-consumption: Less than 15UA Working temperature: -30Celsius~100Celsius Storage temperature: -40Celsius~80Celsius Size: 60x140x15mm Colour:silver + green Material:PCB+Metal Package Contents: 1 x Battery protection board 1 x Sampling line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.