The powerful and versatile Klarus K2A 3-in-1 charger combines dual intelligent charging, a power bank, and a battery holder in one compact device. It automatically detects the battery type and adjusts the charging parameters for maximum lifespan and safety. It offers fast charging PD/QC 3.0, a clear LCD display, and 2 independent slots for simultaneous charging. Thanks to 0V recovery and six levels of protection, it is an ideal choice for everyday use.
The Klarus K2A 3-in-1 is a smart dual charger that takes care of your cells to the next level. Automatic identification of battery type and optimization of current and voltage ensure efficient and gentle charging. With PD/QC 3.0 support, it is compatible with popular phone fast chargers, enabling convenient use at home and on the go.
The large LCD display shows key information in real time—charge status, current, voltage, and estimated capacity. Two independent slots allow charging two batteries at the same time, while the 0V recovery function can revive over-discharged cells. Integrated safety protections safeguard the device and batteries throughout the process.
- 3-in-1 solution: charger, power bank, and battery holder in one
- Intelligent charging management: automatic battery type detection and parameter adjustment
- PD/QC 3.0 fast charging: maximum efficiency and compatibility with common fast chargers
- LCD display: overview of voltage, current, capacity, and charge status
- 2 independent slots: simultaneous charging of two batteries
- 0V recovery: revives over-discharged cells
- 6 levels of protection: overcharge, overvoltage, overcurrent, reverse polarity, over-discharge, and short circuit
- Compatibility: supports 18650 and 12700 batteries
Specifications
- Device type
- Intelligent dual 3-in-1 charger (charger + power bank + battery holder)
- Supported batteries
- 18650, 12700
- Number of charging slots
- 2 independent slots
- Fast charging
- PD/QC 3.0
- Maximum charging current
- 18 A
- Display
- LCD – shows charge status, current, capacity, and voltage
- Safety protections
- 6 levels: overcharge, overvoltage, overcurrent, reverse polarity, over-discharge, and short circuit
- Recovery function
- 0V recovery for reviving deeply discharged batteries
- Charger compatibility
- Compatible with popular phone fast chargers