Description: -For battery capacity of various combinations of various shapes of 10.8V 11.1V 12V 12.6V lithium batteries, also can be used for 3 Series. -Components are wide voltage LM393 comparator and HR202 humidity sensor, fine workmanship, compact size, via comprehensive testing. -With bolt holes for easy installation, using excellent raw materials, lower power consumption. -The power range described applies to the following products: low-power inverters, massager battery packs, LED lamp backup power supplies, 12V electronics, solar street light battery packs, monitoring standby power supplies, and other products. -With: overcharge, over discharge, over current, short circuit protection, 18650 lithium battery necessary! Specification: Material: PCB Board Size: 32x14mm/1.25x0.55inch Package Includes: 1 Piece Battery Charger Protection Board Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor
