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5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger 134N3P Lithium Battery Charging Protection Board Boost Converter LED Display USB For DIY Charger 134N3P High-Quality USB iron with Cheap display port video card and Integrated Circuits.
Specifications:
| Input Supply voltage (V) | 3.7 ~ 5.5 |
| Charging Current (A) | 1 (max) |
| Output voltage (V) | 5 |
| Output Current (A) | 1 |
| Length (mm) | 23 |
| Width (mm) | 17.5 |
| Height (mm) | 12 |
| Weight (gm) | 3 |
Features:
- BAT Discharging Stop Voltage: 2.9V.
- Discharging Efficiency:85%(input 3.7V output 5V/1A).
- Charging and discharging indication.
- Internally installed charging and discharging power MOS.
- Preset 4.2V charging voltage, precision ±1%.
- Max 8uA standby current.
- Integration charging management and discharging management.
- Intelligent temperature control and overtemperature protection.
- Integration output overvoltage protection, short circuit protection, overload protection.
- Integration overcharging and over-discharging protection.
- Support trickle mode and zero voltage charging.
- When charging: red light flashing.
- Fully charged: Red light glows for a long time.
