Klarus K2 USB smart battery charger for Li-ion and Ni-MH batteries

Two-Way Power: Charge Batteries or Devices :The Klarus K2 Smart Charger is a universal, dual-bay USB automatic smart-charger compatible with almost all types of rechargeable batteries and also doubles up as a power bank to charge other devices via USB with a Li-ion battery as the power. In addition to charging your batteries, it can also re-purpose them to serve as a heavy-duty power bank for your USB devices. Universal smart charger

Features:

• Compatible with:
  • LiFePO4, 3.7V/3.85V Li-ion, Ni-MH, Ni-Cd
  • Li-ion: 26650 22650 18650 18490 17670 17500 16340 14500 10440 16340 (RCR123A)
  • Ni-MH/Ni-Cd: AA AAA AAAA C
• Choose from 0.5A or 1A charging current
• Charges via micro USB
• Output port for use as a power bank for USB devices
• Optimized charging design for IMR batteries
• DV/dt Control technology to charge Ni-MH and Ni-Cd batteries more fully
• LED charging and discharging indicators
• Displays charge level of Li-Ion batteries even if it's not plugged in
• Digitally regulated charging
• Features over-charge protection to prevent battery damage. Automatically stops charging when complete
• Short circuit, over-current and over-voltage protection
• Reverse polarity protection
• Made of durable ABS (fire retardant/flame resistant) for your safety
• Optimal heat dissipation design for long lifespan

Specifications:

• Charging Bays: 2
• Max Charge Current: 1.0A
• Output Voltage : 4.35V/4.2V/3.65V/1.48V ±1%
• USB port output: 5V/1A
• Dimensions:
  • 115mm x 63.5mm x 29mm
  • Weight: 75 grams