Review on 🔌 Onyehn 10Pcs 5V Boost Step Up Power Supply Module with Lithium Battery Charge Protection Board - HOTCHIP HT4928S DIY Charger with LED Display, USB and Micro Port (10 Pack) by Paul Barnes

Name: 🔌 Onyehn 10Pcs 5V Boost Step Up Power Supply Module with Lithium Battery Charge Protection Board - HOTCHIP HT4928S DIY Charger with LED Display, USB and Micro Port (10 Pack)
Item: 🔌 Onyehn 10Pcs 5V Boost Step Up Power Supply Module with Lithium Battery Charge Protection Board - HOTCHIP HT4928S DIY Charger with LED Display, USB and Micro Port (10 Pack)
Rating: 4

September 22, 2022

Works well! - Power converter

They seem to work for what I want. My only complaint is that one of the boards was cold soldered and the small coil fell off rendering the board unusable. Tested on a 4000mah Lion cell I got 5.01VDC at a 0.2A load. I also checked the charging side but they seem to be working as advertised. Otherwise there were no problems with it, delivery is fast!

Pros

Excellent design

Cons

Some flaws

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