Smart BMS tear down

This is disassembly of Smart BMS Chinese version with Bluetooth. The Mosfets in use are KIA2803A N-ch Mosfet , RDS(on)=2.2mΩ(typ.)@ VGS=10V Drain-source voltage VDSS 30 V

Continuous drain current @VGS=10V,TC=25 ºC,(See Fig2) ID 150 A Pulsed drain current tested TC=25 ºC (Sillicon Limit) IDM 600 A Maximum Power dissipation TC=25 ºC PD 160 W Use the links below to support my site and buy it:

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Written by RoeeBloch

Aliexpress Spot welder disassembly

Ebay / Aliexpress Spot Welder more than 550 Spots!!