**Product Specifications:**
**Brand:** TELESIN
**Compatibility:** Compatible with Insta360X4
**Features:**
- Dual-slot charging case for simultaneous charging of two batteries
- Smart power allocation for fast charging of high-capacity batteries
- Battery level indicator for real-time monitoring
- Multiple safety protections: overcurrent protection, overvoltage protection, overcharge protection, fire protection, overload protection, short circuit protection
- Dual-slot design for organized storage of two TF cards
- Magnetic closure for secure battery storage
- LED battery level display (100%, 75%, 50%, 25%)
- Supports car charging and power bank charging
**Product List:**
1. Charging case
2. Charging cable
3. Packaging box
4. User manual
**Product Information:**
- Dimensions: 76mm x 60mm x 43mm / 3" x 2.36" x 1.69"
- Weight: 84g
- Package Size: 135mm x 80mm x 50mm / 5.3" x 3.14" x 1.96"
- Input Voltage: 5V=3A, 9V=3A, 12V=2A (recommended for fast charging)
- Output Voltage: 4.4V 3A
- Operating Temperature: 0°C to 40°C
- Charging Time: 75 minutes (using 12V 2A or higher power adapter)
**Notes:**
1. Only charge rechargeable lithium batteries to avoid risks of explosion or leakage.
2. Not waterproof; do not expose to rain or snow.
3. Operate within the temperature range of 0°C to 40°C.
4. Avoid direct sunlight, heat sources, or high-temperature environments during use or storage.
5. Do not cover the charger with items like towels or clothes during charging to prevent fire hazards.
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