If you wanna buy the tester of POWER-Z, you can visit our Amazon store:
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Introduction
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Today, ChargerLAB got the REDMAGIC DAO 140W power bank, which is currently only available in China. And we will do a simple unboxing and testing.

Related Articles: 
1. Compatibility Test of REDMAGIC 9S Pro+
2. Teardown of CUKTECH No.20 PD3.1 & 210W Power Bank (P23)
3. Teardown of CUKTECH No.30 PD3.1 & 300W Power Bank