Nitecore UM4 Battery Charger

Nitecore UM4 Intelligent USB Charger

The Nitecore UM4 Battery Charger has 4 Slots, with optimized IMR battery charging program, which is able to monitor the entire charging process, ensuring that the cut-off voltage is always within safe limits to extend the lifespan of the batteries. Compatible with Li-ion and NI-MH/NI-CD batteries with automatic detection. The intelligent charger with automatic detection of the battery power level and automatic selection of the appropriate voltage and charging mode from CC, CV, and -DV/DT. There is one large LCD display screen, it will show real-time charging information clearly. The UM4 charger is compatible with various mobile power sources, solar panel, and USB adapters to ensure endless power supply, multiple functions to ensure the charging safe and reliable.

• Multiple Charging Speeds
• Comfortably fits size 20700 and 21700 batteries
• Bright digital LCD display shows real-time charging information
• Built-in safety protections to prevent short-circuit, overcharging, and improperly inserted batteries

CHARGING PROGRAM SPECIALLY OPTIMIZED FOR IMR BATTERIES - UM4 incorporates an optimized IMR battery charging program, which is able to monitor the entire charging process, ensuring that the cut-off voltage is always within safe limits to extend the lifespan of the batteries.

Helpful hints for your new charger!

– Place your charger in a flat well-ventilated area.

– Match the positive and negative ends of your batteries to the corresponding contacts on your charger.

– When placing the battery on the charger, use your finger to slide the battery contact back, not your battery.

– Charge your batteries on the lowest amperage setting possible.

– Do not leave batteries on the charger unattended.

– Remove your batteries when they are fully charged and store them in a protective silicone cover.

– When removing your batteries from the charger do not allow your adjustable contact to snap back.

– Only use the charging cable supplied with your charger.

– Stay hydrated!!!!