Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Protection :4 kinds of safety function protection including over discharge protection, over current protection, over charge protection, short circuit protection to provide safe and reliable protection.
•Charging voltage: 8.4V-9V; Maximum working current: 8A High-accuracy voltage detection circuit, fine workmanship and durable.
•With spot welding design, easy to assemble and is convenient to use in projects.
•Note: Strictly according to the diagram wiring :B+: battery V+ positive, B-: battery V- negative, P+: output/charge V+, P-: output/charge V-, MB: connection point between batteries.
•Appliacation:It can be used for various shapes 3.7V lithium batteries,Massager battery pack, solar street light battery pack, monitor standby power supply, etc.