Nitecore UMS2 Dual-Slot USB Fast Charger, for 18650, 21700 batteries

Unlock rapid and reliable battery charging with the Nitecore UMS2, a powerful dual-slot USB charger tailored for 18650 and 21700 batteries. Featuring advanced Quick Charge capabilities and a digital LCD display, the UMS2 offers up to 3A charging speeds per slot, ensuring your batteries are quickly ready for use. Its intelligent design accommodates various battery sizes and types, with automatic detection and optimal charging strategies for each. Safety is paramount with built-in protections against overcharging, short circuits, and improper insertion, making the UMS2 a safe choice for all your charging needs.

• Fast Charging: Delivers rapid charging with up to 3,000mA in a single slot under Quick Charge mode, maximizing time efficiency.
• Universal Compatibility: Accommodates a wide range of battery types and sizes, including 20700 and 21700, with specialized modes for Li-ion, Ni-MH, and Ni-Cd batteries.
• Intelligent Display: Features a bright, energy-efficient LCD that provides real-time charging data to monitor the progress and status of each battery.
• Advanced Safety Features: Equipped with comprehensive protection mechanisms such as reverse polarity protection and automatic termination to prevent overcharging and extend battery life.
• Durable and Efficient Design: Constructed from fire-retardant materials with an optimal heat dissipation design, certified by RoHS, CE, FCC, and CEC for added reliability and safety.

Compatible with:
Lithium Ion IMR or LiFePO4 Batteries:
10440, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490,18500, 18650, 18700, 20700, 21700, 22500, 22650,25500, 26500, 26650, 26700
NI-MH / NICD:
AA, AAA, AAAA, C, D
Technical Info:

• Input: DC 5V/2A 9V/2A 18W (MAX)
• Output: 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
• Output current: QC Mode: 3,000mA*1 (MAX) 2,000mA*2 (MAX)
• Standard Mode: 2,000mA*1 (MAX) 1,000mA*2 (MAX)
• Dimensions: 5.98" x 2.87" x 1.57"
• SIZE/TYPE COMPATIBILITY - ✔ 18650 ✔ 20700 ✔ 21700

What's in the box:

• Nitecore UMS2 battery charger
• Micro USB cord
• User Manual
• Scratch-off validation serial number