Compact automatic single-slot USB charger, charging current 800 mA.
When charging exhausted batteries (up to 2.9 V), the UI1 automatically switches to a more gentle charging current of 100 mA in order to extend the battery's life.
Suitable for rechargeable Li-Ion and IMR batteries with a nominal capacity of 3.7V in various formats from 16340 to 18650 to the very large 20700, 21700 or 26650 formats.
Not suitable for rechargeable NiCd or NiMh batteries.
Status indicator with colored LEDs.
No battery included!