DIY USB Power Bank 1000mA - Green

A DIY power bank with a complete DC-DC converter to boost the Li-ion voltage to 5V USB voltage. For this powerbank kit you only need a Micro USB cable and a 18650 Li-ion battery. 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 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 charge voltage: 4.2V ± 1%
• Return: max 91%
• Standby current: max 30μA
• Input: Micro USB connector
• Output: USB-A female connector
• Color: Green housing with a white lid

Note: This DIY Power Bank is only suitable for use with standard 18650 batteries without protection circuit with the dimensions 18mm x 65mm. In our webshop, the protected 18650 batteries from Keeppower are therefore not suitable as they are too long.

* At a lower current, the DC-DC converter will turn off after about 8 seconds and go into standby.

Battery connections:

• Plus: Without spring
• Min: With spring