... : 4.0 V 4 Ah . KS type miner's lamp with double light souces,uses acid-lead battery ... continue lighting.2,Put the charging hole of lamp head to the plug of charging shelf, rotate ... it can be recharged automatic. 3, The miner lamp adopts constant voltage parallel charging mode, charging simplification.At ... charging shelf,won’t affect any other charging lamp.4, The short-circuit protection devices, greatly ...