Nitecore – F4 Four-Slot Flexible IMR/Lithium-Ion Battery Charger/Mobile Phone Power Bank alazame

Over-Discharged Li-ion Battery Activation

The F4 is capable of activating over-discharged Li-ion batteries with a protective circuit due to improper storage or us. After the battery insertion, the F4 will test and activate the battery before charging.

Battery Group Discharge Function

When used as a power bank with 4 fully charged batteries, the F4 will activate the Battery Group Discharging Function to give priority to discharging the batteries in Slot 1 and Slot 2. In this way the batteries in slot 3 and slot 4 can be taken out for other uses with full power.

Sliding Cover of the Battery Holder

Slide open the battery holder before inserting the batteries.

Constructed from durable and Fire-retardant PC materials making it fearless of the complex outdoor environments with its Excellent dust and impact resistance , While preventing the batteries from accidental loss.

Energy Saving Hibernation Function for the LCD Display

The F4 will automatically activate the Energy Saving Hibernation Function to shut down the screen when

*there is no operation and no input or output in 10 minutes

*long pressing the power button for approx 10 seconds when there is no input or output