
Nitecore UI2 Portable Dual-Slot USB Li-ion Battery Charger
- Versatile charger with 2 battery charging slots for Li-Ion cells
- USB-powered design makes charging convenient almost anywhere
- Great for maintaining batteries used in flashlights and electronics
- Supports dozens of different battery sizes
- Charger Channels: 2
- Compatible Battery Sizes: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16340 / RCR123A, 16500, 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650
- Supported Chemistries: IMR, Li-Ion
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Description
Nitecore UI2 Portable Dual-Slot USB Li-ion Battery Charger
Optimal Charging Currents
The Nitecore UI2 is a dual-slot USB Li-ion battery charger that will quickly and easily bring life back to precious Li-ion batteries for all of your devices. With a max charging current of 800mA, it is easy to charge up batteries with over 2.9 volts of power. Simply insert the battery and Standard Mode will be activated. On the other hand, batteries with below 2.9V will automatically access Low Current Charging Mode which has a current of 100mA. No need to worry about picking a mode, the UI2 will do it all for you. Insert the batteries and then go about the rest of your day with no worries. Plus, the UI2 will terminate the charging current after the battery is fully charged, preventing overcharging. The Nitecore UI2 has two LED indicators that will provide a real-time display of battery level and charging status to quickly check over battery status before heading off.
Charging Safeguards
With charging safeguards in place, it is easier than ever to leave your batteries to charge up without worry of overheating or overcharging. Anti-short circuiting and reverse polarity protections prevent a battery improperly inserted or short circuited from being charged - instead an error message will flash on the LED indicator. Ultimately saving the charger and the batteries from any harm. Additionally, with an Intelligent Thermal Protection system, the charger will prevent overheating due to a high temperature work environment by automatically regulating the charging current thus protecting the charger and battery from overheating as well.
Designed for Portability
Designed to be powered by a USB cable, the Nitecore UI2 is designed to, utlimately, be a portable charger. The micro-USB cord is compatible with USB adapters, power banks, or can easily be input into a computer if you're staying put. The size of the charger also lends itself to being a portable product, with less than 5" of length and weight less than 3 ounces, it is easy to travel with in a backpack or pocket. Never have your batteries die without a charger readily available again!
Features:- Portable Dual-Slot USB Battery Charger
- Compatible for 3.7V rechargeable Li-ion batteries
- Capable of charging 2 batteries simulatenously and controlling each slot independently
- Available for low current charing below 2.9V
- USB Input
- Automatic adoption for the optimal charging modes between CC and CV
- Automatic termination upon charging completion
- Reverse polarity protection and anti-short circuit protection
- Thermal protection during the charging process
- Activates over-discharged batteries with protective circuits
- Compatible with power banks, 5V solar panels, and USB adaptor
- Made from durable and fire retardant PC materials
- Optimal heat dissipation design
- Included Accessory: USB Charging Cable
Specifications:
- Input: DC 5V/2A 10W
- Output: 4.2±1% / 800mA*2 (MAX)
- Compatible with Li-ion/IMR: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16500, 16340 (RCR123A), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650
- Dimensions (LxWxH): 4.94" x 2.34" x 1.26" (125.5mm x 59.5mm x 32.1mm)
- Weight: 2.8oz (79.5g)
Item Details
| Brand | Nitecore |
| SKU | NITECORE-UI2 |
| Series | UI |
| Manufacturer Part Number | UI2 |
| UPC | 6952506492923 |
| Charger Channels | 2 |
| Compatible Battery Sizes | 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16340 / RCR123A, 16500, 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650 |
| Supported Chemistries | IMR, Li-Ion |
Specifications
| Charge Rate | 800 |
| Charger Channels | 2 |
| Compatible Battery Sizes | 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16340 / RCR123A, 16500, 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650 |
Unit Dimensions
| Length | 4.94 in (125 mm) |
| Width | 2.34 in (59 mm) |
| Height | 1.26 in (32 mm) |
| Weight | 2.8 oz (79 g) |
Packaging/Shipping Dimensions
| Length | 6.08 in |
| Width | 3.01 in |
| Height | 1.35 in |
| Shipping Weight | 0.28 lb |
Additional Details
| Warranty |
Nitecore Limited Lifetime Warranty Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Independent 4-slot charging for different batteries
- Touch screen control provides user-friendly operation
- 4 working modes for charging, testing batteries, and more
- Compatible with Li-ion, Ni-Cd, & NiMH batteries
- Quick Charge 3.0 technology enables fast and efficient device charging
- USB compatibility supports a wide range of electronic devices
- Compact adapter design makes it ideal for travel and everyday use
- Intelligent charging management helps optimize power delivery
- Universal cable to consolidate chargers for work, home, or EDC use
- USB-C, Micro-USB, and Lightning plugs for various electronics
- USB-C input with USB-A adapter for use with any USB power source
- 3.93ft long cord, allowing you to use your phone during recharging!
- Premium materials for durability and fast charge speeds
- Fits flashlights w/ diameter of 24-32mm & length of 130mm-170mm
- Great for EDCs, tactical lights, slim lights, & more!
- Durable and flexible nylon material keeps lights secure
- 33g weight won't drag you down!
- Portable powerhouse - emits a 1148ft beam from a 3.4in light!
- Strobe and SOS modes accessible for emergencies
- Dual-fuel power - swap in a CR123A when needed
- Strong magnetic tailcap for hands-free repair jobs
- USB-C port offers seamless recharging from anywhere!
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime



