Note :

this is new version with wires and with balance function

Choice

1. Scope of application: Xenon lamps, sprayers, electric drills, high-power electric drills, motorcycle starters with various displacements.       2, protection board classification:        3S 4S 40A with balance (3.7V nominal voltage): can be used for small hand drills, sprayers, baby carriage motors and other motors within 200W and xenon lamps within 200W        3S 40A with balance enhanced version (3.7 nominal voltage): can be used for high power electric drill, impact drill and motorcycle start.        4S 40A with balance (3.2V nominal voltage): used for lithium iron phosphate lifepo4 battery protection, dedicated to all kinds of electric drills, sprayers, xenon lamps within 500W and motorcycle start.        1, Xenon lights, hand drills need to match 10-15C new large capacity battery        2, high-power electric drill, impact drill, motorcycle start need to match 3035C high-rate large-capacity power battery.