The Klarus K2A Intelligent Dual-Batteries 3-In-1 Powerbank also doubles as a PD/QC3.0 Compatible charger and battery holder. It is compatible with protected 21700 batteries and has a digital display that shows current, voltage, and capacity percentage. The K2A protects against everyday battery issues, including overcharging, overvoltage, overcurrent, reverse polarity, over discharge and short circuit protection. This charger can also use 0 volt resuscitation to revive your over discharged batteries.

Features

• 3-in-1 Powerbank, Charger and Battery Holder
• Compatible with Protected 21700 Batteries
• PD/QC3.0 Compatible Max 18W Charging Current
• Limitless Possible Combinations
• Digital Display of Data and Status
• Include in the box:
• Charger
• Pouch
• 2x Charging Cables
• 4x O-Ring
• C-L Adapter
• Manual

Specifications

• Input: Type-C QC/PD3.0 Fast Charging, 5V / 9V / 12V (18W Max)
• Compatible Batteries: 3.6V / 3.7V Li-ion / IMR / INR / ICR (max .78mm) 18650 (non-flathead), 20700, 21700
• Charging Voltage Cutoff: 4.20+ / -0.05V
• Charging Current (IN): 2A x 1, 2A x 2
• Output (OUT): OUT1 left channel 18W MAX, OUT2 right channel 18W MAX
• Discharge Load Limit: 2.8V
• Operating Temperature: 0-65°C
• Dimensions: 132 mm x 58 mm x 28 mm
• Display: High Resolution Digital Display
• Weight: 81.5 g (w/o battery or charging cable)