1. Continuous Discharging Current: 100A; Charging Voltage: 15V; Charging Current: 10A; Overcharge Delay: 0.5S; Working Temperature: -30/+80. 2. The board is used for 4 series 12V for LiFePO4 batteries, comes with 5P-250mm wire, It can be used for lithium batteries with different chemical properties. 3. Battery Board has balance function which would ensure each battery cell being fully charged at same time. 4. Board will protect battery pack from overcharging, over-discharging, over-current, and short circuit. 5. Choosing the correct board and applying it appropriately is crucial to the longevity of your batteries. Specifications: Discharge: Continuous Discharging Current: 100A, Instantaneous Discharge Current: 150A. Charge: Charging Voltage: 15V, Charging Current: 10A. Overcharge Protection: Over-charge Detect: 3.75±0.05V, Protection Delay: 0.5S, Over-charge release: 3.65±0.1V. Balance: Detect Voltage: 3.60±0.05V, Release Voltage: 3.60±0.05V, Balance Current: 36±5mA. Over-discharge Protection: Over-discharge Detect: 2.0±0.1V, Over-discharge Detect delay: 0.1S, Release Voltage: 2.25±0.1V. Over-current Protection: Detect Voltage: 150mV, Detect Delay: 9mS, Current Detect: 200±10A, Release Condition: Cut Load. Short-circuit Protection: Protection Condition: Load Short Circuit, Detect Delay: 250uS, Release Condition: Cut Load. Resistance: Inner: ≤25 milliohm. Self-Consumption: Working Current: ≤20uA, Sleep Current (when Over-discharge): ≤10uA. Working Temperature: Range: -30/+80°C. Size: 70*51.5*10mm / 2.75*2.02*0.39. Package Includes: 1 x Battery Protection Board.