KeepPower L2 Battery Charger

Dual-Slot Universal Smart Charger for Li-ion Batteries

This high-performance battery charger is designed to charge two Li-ion batteries simultaneously and safely. Equipped with an LCD display and dual power input options, it provides a versatile charging solution for professional tattoo artists who rely on consistent wireless power.

Advanced Dual-Slot Independent Control

Each charging slot is controlled by an independent microprocessor, offering maximum flexibility:

• Individual Monitoring: Charge two batteries with different remaining capacities or health statuses at the same time.
• Mix & Match: Supports simultaneous charging of different battery sizes.

Adjustable Current Settings

The integrated current toggle button allows you to optimize the charging speed based on the battery type:

• 500mA (Recommended for smaller cells): Ideal for preserving battery lifespan in models such as 18350, 16340, 14650, 14500, 14430, and 10440.
• 1000mA (Fast Charging): Optimized for high-capacity cells including 26650, 18650, 18500, 17670, 17500, and 16650.

Smart LCD Display & Safety Features

Stay informed with real-time data displayed on the clear LCD screen, including voltage, charging percentage, and elapsed time. The unit is engineered with multiple safety protocols:

• Reverse Polarity Protection: Displays an "Err" message if batteries are inserted incorrectly.
• Soft Start Function: Prevents sudden current surges to protect battery chemistry.
• Over-Discharge Recovery: Capable of reviving certain low-voltage batteries.

Compatible Battery Sizes

26650, 18650, 18500, 18350, 17670, 17500, 16650, 16340, 14650, 14500, 14430, 10440

Product Specifications

• Dimensions: 130mm x 68mm x 33mm
• Weight: 97g (Unit only)
• Power Options: AC Adapter or USB connectivity

Package Contents

• Charger Unit
• AC Adapter (2A)
• Micro USB (Type-B) Cable
• User Manual