【Verified】 IP5389-3Sv5.0

The 3-string 21700 mobile power supply solution based on IP5389-bz supports up to 20v5a. It has been verified that it works well after being used for a long time. I think the size, weight and capacity of the 3-section 21700 are well balanced and suitable for daily use.
Compared with the first generation, it has an added LED output control interface, which leads to LED enable, vbat and gnd, and you can connect an external LED light board for lighting.
Compared with the first generation, the current sampling circuit and current path are optimized.
Compared with the first generation, 188 digital tubes are added.
The outer casing is an aluminum profile with a size of 71*25.5mm. You can definitely find it on Taobao and the price is not expensive.
Remember to add a lithium battery protection plate to the battery pack. If possible, you can use high-end batteries such as Samsung 50e.
Notice! ! ! ! ! ! ! ! ! !
This shell does not support Lishen 21700.
This shell does not support Lishen 21700.
This shell does not support Lishen 21700.
Lishen 21700 is a little thicker than the ordinary 21700 and cannot be inserted.