Description
Power Bank Kit:
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.
- Input Voltage: 3.7V~5.5V
- Charging Current: 1A(max)
- Output Current: 1A(max)
- Output voltage: 5V
- Dimensions: 23 x 18 x 10 mm (LxWxH)
- Weight: 3 gm
- 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
- Full charged: Red light glows for a long time
- Single Port
- Output 5v/1A
- Input 5v/1A
- Supported upto 10,000 mah
- Dual Protection IC
- BMS Over Charger/ Over Drain Protected
DIY power bank is easy but most people don’t find enough time to make it and just buy it rather than making one themselves. But we have found if you try to make one yourself you can actually get a really decent power bank in just half of the price of a power bank available online.
And also there is the joy of building something yourself. With your own custom design power bank you can actually improve or upgrade it with time. A couple of new batteries every now and then will keep enhancing you power bank’s charge limit or ‘juice’.






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