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Battery charger case with BL-5C for hackberrypi _zero
Battery charger BL-5C
3d printed plastic case, comes with 1020mah BL-5C battery
You can use the battery as backup battery for HackberryPi_zero or use it to power some MCU circuit
Note: If the output current is lower than 50ma, the power will be cut off after like 30 seconds