General description Replacement PCB board for 18V batteries, designed for models BL1830, BL1840, BL1850, and BL1860. This product includes two battery chip PCB boards that provide essential charging and protection features for lithium-ion batteries. Technical specifications Type: Charging protection board Voltage: 18V Nominal Capacity: 3.0Ah Battery type: Li-ion Battery combination: 5 strings Maximum charging current: ≤ 12A Overcharge voltage protection: 4.25V Overcharge detection delay time: 2S Over discharge voltage protection: 14V Charge and discharge over temperature protection: 100°C Over temperature protection recovery: 85°C Static power consumption: 20.2V Electrical color: Blue Material: Plastic Package Contents 2 x Battery Chip PCB Board Other information Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.