Type: Lithium battery/13 series/48V. Wiring method: Same port Discharge: Over discharge protection voltage: 2.7V0.05V Over discharge voltage: 3.0V0.05V. Continuous working current: 6MOS=20A. Instantaneous protection current: 4MOS=65A, 6MOS=80A Over current condition: Charge/disconnect load. Short circuit condition: charge/disconnect load charge Overcharge protection voltage: 4.25V0.015V Overcharge voltage: 4.15V0.015V Continuous charge current: 4MOS=15A, 6MOS=20A Charger voltage: 56V (recommended) Same port activation There are two ways to activate the first PACK: (1) Short-circuit the B- and C- lines once (2) Or recharge and activate (default delivery without temperature control) Working power consumption: 40uA Main circuit conduction internal resistance: 15mohm Temperature range: -40 to +80 Circuit breaker protection: Yes Product appearance size: 63x34x7mm Color: as shown in the figure Material: PC+metal Package content: 1 x protection board (20A) Only the above package content, others are not included. Note: Light reflection and different monitors may cause the color of the item to be slightly different from the actual product. The measurement allowable error is +/- 1-3cm.