Nitecore F4 Flexible Battery Charger & Power Bank

The Nitecore F4 is a four slot flexible charger and Power Bank 2 in 1.

This micro-USB powered battery charger has the ability to charge the batteries from multiple sources suchs as usb wall adapters, solar panels or other power banks.

Each charging slot is controlled independently with the intergrated intelligent USB charging and discharging management system.

The Nitecore F4 is compatible with 18650 type Li-ion batteries.

It is able to power a device from the USB port with a current of up to 2A.

Ideal to be used as a Power Bank for Tablets, Smartphones, Cameras.

The F4 charger by Nitecore features a liquid crystal display (LCD) that provides real-time information to check the status of the batteries.

During discharge are diplayed:

• The battery voltage (volts)
• The output port
• The output current (mA)
• Amount of current (mAh)

During charging are displayed:

• The voltage of the battery (volt)
• The charging position
• The charging current (mA)
• The amount of current (mAh)

This inteligent smart charger saves energy with the "Hibernation" function of the screen. Automatically activated when:

• There is no operation, no entry or exit within 10 minutes.
• If the power switch is pressed for about 10 seconds and there is no input or output.

The operating environment offers a user-friendly system and consists of:

• A central power switch that allows circular movement between the display indicators or is used to turn it on and off.
• Two USB output ports for charging devices
• One micro USB input for charging batteries

The sliding protection cover of the battery compartment protects against dust and shocks as well as accidental loss of batteries.

As a charger, it automatically checks the energy level in the batteries and automatically adopts the appropriate charging function between CC and CV.

As a Power Bank with 4 fully charged batteries, the F4 will activate the discharge function in groups and give priority to discharge the batteries in positions 1 and 2 first. In this way, the batteries in positions 3 and 4 can be used for other uses with their full charge maintained.

The F4 is capable of activating over-discharged Li-ion batteries equipped with a safety circuit.

After inserting the batteries, the F4 will check and activate the batteries before starts the charge process.

If a battery is installed with the polarity reversed or if the battery is damaged, the F4 will NOT charge it.

It is made of durable fire retardant polycarbonate materials.

It has multiple international certifications (CE, RoHS, FCC, CEC)

In the package a USB charging cable is included.

Download here the product manual.

Technical Characteristcs

• Input: DC 5V / 2A
• Capacity: 60Wh (max)
• Output: 4.2V ±1% (On battery) // 5V ±5% (On USB)
• 2*1A, 4*0.5A (On batteries) // 2*2A (on USB)
• Compatible with: Li-ion / IMR 18650 batteries
• Dimensions: 113.4 x 86.1 x 27 mm
• Weight: 122.5g (Charging cable not included)