Original liitokala product
12v/3a recommended, adapter is not included, needs to buy separately speciation :
input voltage: dc 12v/2a
battery types supported: ni-mh, ni-cd, li-ion
supported battery sizes: 18650, 26650, 14500, 16340, aa, aaa, and more
charging current options: 300ma, 500ma, 700ma, 1000ma
discharge current: 250ma
usb output voltage: 5v
usb output current: 1000ma
lcd display information: voltage, current, capacity, resistance, charging time
modes: charge, fast test, nor test, storage
safety features: overcharge, over-discharge, short circuit, reverse polarity protection, temperature monitoring
dimensions: 162mm x 96mm x 36mm
weight: ~350g