The GIGI D4 battery charger is a universal smart multi-slot charger designed for charging various types of rechargeable batteries used in industrial, electronic, and portable power applications. It is commonly used for Li-ion, Ni-MH, and Ni-Cd cylindrical batteries, providing automatic detection and safe charging control for multiple cells simultaneously.
It typically follows a design similar to advanced smart chargers like the Nitecore D4 series, featuring independent charging channels, LCD display feedback, and automatic charging mode selection for different battery chemistries.
Key Features
- Smart multi-slot charging (supports multiple batteries at once)
- Automatic detection of battery type (Li-ion / Ni-MH / Ni-Cd)
- Independent charging channels for each battery
- LCD display for voltage, charging status, and progress
- Overcharge, overcurrent, and reverse polarity protection
- Compatible with multiple cylindrical battery sizes (common 18650-type cells)
- Automatic stop when batteries are fully charged
- Compact and portable design for workshop and field use
Specifications
- Model: GIGI D4
- Type: Smart Battery Charger (4-slot)
- Supported Battery Chemistries: Li-ion / Ni-MH / Ni-Cd
- Input Voltage: AC 100–240V (universal range, typical for this class)
- Output Voltage: 4.2V / 1.48V (based on battery type selection)
- Charging Slots: 4 independent channels
- Display: LCD digital status indicator
- Protection Features: Overcharge, short circuit, reverse polarity protection
- Compatible Battery Sizes: 18650, 14500, 16340, AA, AAA (varies by model version)
- Charging Control: Automatic CC/CV intelligent charging
- Application: Industrial batteries, flashlights, electronics, backup power cells
