F4 Flex Charger
Ultrafast 1000mA. Charge your 18650 batteries AND your mobile devices on the go!
4-SLOT POWER BANK & BATTERY CHARGER:
Power up your next adventure with the NITECORE F4, a four-slot battery charger that also serves as a power bank and battery organizer. 2 USB outputs allow you to quickly charge and power devices with a maximum output current of 2A.
LCD DISPLAY & SMART CHARGING:
LCD shows key information including voltage, charging current, charging volume and battery slot. The smart charging independently controls each slot.
ULTRA-COMPACT & ULTRA-SAFE:
Ideal for backpacking, this is the perfect charger for the rugged nature-lovers needing a lightweight power source and battery charger. A sliding cover helps organize batteries and enables you to carry batteries safely.
How fast does it charge?
Charging duration uses this formula:
Battery Capacity (mAh) / Charger Output Current (mA) = Hours
What's in the box
Order with Batteries
Ultrafast 1000mA. Charge your 18650 batteries AND your mobile devices on the go!
4-SLOT POWER BANK & BATTERY CHARGER:
Power up your next adventure with the NITECORE F4, a four-slot battery charger that also serves as a power bank and battery organizer. 2 USB outputs allow you to quickly charge and power devices with a maximum output current of 2A.
LCD DISPLAY & SMART CHARGING:
LCD shows key information including voltage, charging current, charging volume and battery slot. The smart charging independently controls each slot.
ULTRA-COMPACT & ULTRA-SAFE:
Ideal for backpacking, this is the perfect charger for the rugged nature-lovers needing a lightweight power source and battery charger. A sliding cover helps organize batteries and enables you to carry batteries safely.
How fast does it charge?
| Battery Type (Capacity) | One at a time 1000mA |
Two at a time 1000mA |
Four at a time 500mA |
| 18650 (3500mAh) | 3hr 30min | 7hr | |
| 18650 (2600mAh) | 2hr 36min | 5hr 12min | |
Charging duration uses this formula:
Battery Capacity (mAh) / Charger Output Current (mA) = Hours
What's in the box
- 1x F4 Flex Charger
- 1x USB charging cable
Order with Batteries
- F4 charger (without batteries) - $69
- F4 charger + 4x NL1826 (2600mAh) batteries - $185
- F4 charger + 4x NL1835HP (3500mAh) batteries - $265
| Input | DC 5V - 2A |
| Capacity | 60Wh (MAX) |
| Output | 4.2V±1% (Battery) / 5V±5% (USB) |
| Output current | 2*1A, 4*0.5A (Battery) / 2*2A (USB) |
| Length | 113.4mm |
| Width | 86.1mm |
| Height | 27mm |
| Weight | 122.5g (without batteries and power cord) |
| Li-ion/IMR: 18650 |
"Not only does it save space in my pack, it also doubles as a battery organizer."
by Henry G.
by Henry G.
What happens after payment?
When will I receive my lights?
Returns and warranty
User manual
- You will receive a purchase receipt through Paypal after payment.
- Your order will be processed within the next working day and we will email you a tracking code once your package has been shipped.
When will I receive my lights?
- Deliveries in Singapore will take up to 4-6 working days by Courier.
Returns and warranty
- If our lights don't work the way they should, let us know and we'll do our best to get you sorted. 1-year repair warranty.
User manual
We believe in this product so strongly that we're giving you a 60 days money back guarantee! If for whatever reason you are unsatisfied with your purchase, ship the entire package back to us with your Order #number and we'll give you a full refund!