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UI2 Charger

UI2 Charger

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UI2 Charger (2 Slots)

Lightweight and portable 800mA USB Charger that fits larger 21700 batteries.

Safe and Efficient Charging
Designed to charge your batteries safe and efficiently. 800mA maximizes battery recharge cycles so your battery stays healthy over the years.

Works with 21700 batteries
Works for the latest generation of larger 21700 batteries, as well as 18650 sized batteries.

Intelligent USB Charging
Intelligent charging technology automatically detects and applies the appropriate charging current/voltage.

Fire Retardant Materials
Doesn't catch fire, can be used outdoors without any overheating concerns for maximum safety.

How fast does it charge?
Battery Type (Capacity) One or Two at a time
21700 (5000mAh) 6hr 15min
21700 (4000mAh) 5hr
18650 (3500mAh) 4hr 22min
18650 (2600mAh) 3hr 15min
RCR123 (650mAh) 48min

Charging duration uses this formula:
Battery Capacity (mAh) / Charger Output Current (mA) = Hours

What's in the box
  • UI2 USB Charger
  • High Amp USB Charging Cable

Order with Batteries
  • UI2 charger (without batteries) - $29
  • UI2 charger + 2x NL2150 (5000mAh) 21700 batteries - $141
  • UI2 charger + 2x NL1835HP (3500mAh) 18650 batteries - $68

Input DC 5V/2A 10W
Output 4.2V±1%
Output Current 800mA*2 (MAX)
Dimensions 125 x 59 x 32mm
Weight 79.5g
Li-ion/IMR: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500,17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650
"When you need smallest charger at the cheapest price that works with 21700 batteries, this is my best pick."

by Linda L.

What happens after payment?

  • 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!
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Customer Reviews

Based on 1 review
Fast delivery. Item as described.

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