Description
Nitecore UI1 Single-Slot Portable Charger
Keep your gear powered anywhere with the Nitecore UI1 — a lightweight, single-slot USB charger that tames today’s high‑drain batteries. Whether you’re topping up a 21700 for a long‑range torch or fuelling smaller cells for vape mods, this smart charger delivers safe, no‑fuss top‑offs from any USB source. What makes the Nitecore UI1 a reliable portable charger?
The Nitecore UI1 Single-Slot Portable Charger combines intelligent CC/CV charging with multiple safeguards in a package that weighs just 40.5 grams. A clear power indicator shows real‑time battery level and status, while automatic reverse‑polarity, overcharge and over‑temperature protection keep your cells safe. Its compact body measures only 4.82″×1.15″×1.26″, so it slips easily into a pocket or kit. Max 800 mA charging current (0.8 A)
Automatic CC (constant current) and CV (constant voltage) mode selection
Built‑in protection against reverse polarity, overcharging and overheating
Real‑time battery level and charging status via LED indicator Which battery types are compatible with the Nitecore UI1 Single-Slot Charger?
The UI1 is a Li-ion charger for 21700 batteries and a huge range of other cells: 20700, 18650, 18350, 16650, 16340 (RCR123), 14500, 10440, and many more cylindrical Li-ion/IMR sizes. This makes it a versatile single‑slot solution for flashlight enthusiasts, hikers and anyone who relies on rechargeable lithium power. How do I power the UI1 charger while camping in Australia?
This portable single-slot battery charger for camping Australia runs from any standard USB source. Its micro‑USB port accepts input from mains adapters, power banks, laptops and solar panels — perfect for off‑grid trips. Just plug in a DC 5V/1A supply and you’re ready to recharge a 21700 or smaller cell wherever the trail takes you. Is the Nitecore UI1 charger safe for lithium batteries?
Absolutely. The Nitecore UI1 Single-Slot Portable Charger automatically monitors voltage and temperature throughout the charge cycle. It stops charging when the cell reaches 4.2 V (±1%), prevents reverse polarity installation, and cuts off if the battery or charger gets too warm. These layers of protection give you peace of mind every time you recharge. What are the technical specs of the UI1?
Here’s a quick rundown: Input: DC 5V/1A (5W) via micro‑USB
Output voltage: 4.2 V ±1%
Max output current: 800 mA
Compatible batteries: Li-ion/IMR from 10340 to 26650, including 20700, 21700, 18650, 18350, 14500, 16340 and dozens more
Dimensions: L 4.82″ × W 1.15″ × H 1.26″
Weight: 40.5 g (1.43 oz)
