Item Details:* * Made of material, and practical to use * The main IC uses original imported "precision" components.* With over-charge, over-discharge, short circuit, over-current protection, suitable for different shapes of 3,n lithium battery.* Using Japanese precision protection of IC, VISHAY, AOS, IR and other high-quality mosfets, FR-4 low temperature ratio boards, carefully designed to fully test the compact size.* Suitable for many requirements of high integration, low-cost bargains.* It can meet many performance requirements to ensure the absolute safety of the battery.* Low power consumption.* The performance is stable.* Good workmanship and durability.* Connection instructions:B + connect the battery +B-connected battery-P + for battery output +P-for battery output input-* Size: 18*3.6mm (Approx.) * Overcharge release voltage: 4.23 ± 0.05V * Overcharge voltage range: 4.25 ± 0.05V * Overcharge voltage range: 2.54 ± 0.1V* Over current detection current: 1-3A*Continuous 2A peak 3A* Main functions: overcharge protection, discharge protection, short circuit protection, overcurrent protection.* Optional quantities: 10pcs, 20pcs, 50pcs, 100pcsPackage Contents (Optional):Package Contents 1:10*Plate Protective Soldering IronPackage Contents 2:20 * ProtectiNaSoldering Iron BoardPackage Contents 3:50 * ProtectiNaSoldering Iron BoardPackage Contents 4:100 * ProtectiNaSoldering Iron BoardNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.