DIY USB Power Bank 1000mA - Blue

A DIY powerbank with a complete DC-DC converter to boost the Li-ion voltage to 5V USB voltage. For this powerbank kit only a Micro USB cable and a 18650 Li-ion battery are needed. The converter module has a built-in Li-ion charge and protection circuit against over and under voltage, over temperature (chip) and short-circuit protection.

This power bank is a plug-and-play module and has no buttons. There are LEDs present that indicate the status for discharging, charging and fully charged.

Specifications:

• Input voltage (IN): 5.0V
• Input current: max 1000 mA
• Output voltage (OUT): ~5.1V (USB voltage)
• Output current: max 1000 mA
• Minimum output current: 60mA*
• Battery cut-off voltage: approximately 2.95V
• Battery charging voltage: 4.2V ± 1%
• Efficiency: max 91%
• Standby current: max 30μA
• Input: Micro USB connector
• Output: USB-A female connector
• Color: Blue housing with a white lid

* With a lower current the DC-DC converter will turn off into standby mode after about 8 seconds.

Battery connections:

• Plus: Without spring
• Min: With spring

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