Type: 4S 15A 14.8V Connection : Common Port Colour:As shown Material:PC+Metal Discharge Single battery over-discharge voltage: 2.7V0.08V Continuous working current: 15A protection current: 40A Overcurrent recovery conditions: charge recovery or disconnect load Short-circuit recovery conditions: charge recovery or disconnect load Charge Single battery overcharge voltage: 4.25V0.025V Continuous charging current: 10A Charge overcurrent protection: 15A Charger voltage: 16.8V (recommended) Charging over temperature protection: 60 Discharge over-temperature protection: 80 Working consumption: less than equal20uA Main circuit conduction internal resistance: less than equal15mohm Temperature range: -40 to 80 Wire break protection: Yes Appearance size: 36x36x2.7MM Package Contents: 5 x BMS 4S 15A 14.8V 18650 Li-ion Lithium Battery Charge Protection Board Only the above package content, other products are not included. Note: Light reflection 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.