The AC adapter easily folds out to charge and pack away.
Smart charger can charge for 18650 Li-ion batteries, two at a time.
Suitable for 18650 Li-lon for 2pcs batteries.
AC110v-240v 50-60Hz input (international charger, can be used worldwide).
Output: DC 4.2V
Measurement: 8.2cm x 4.2cm x 3.3cm