Inverter can work normally for AGM battery, but damage for lithium battery
Model
BP Series With Bypass Inverter 2000W
Description
The inverter can work normally when using AGM battery. After replacing it with a lithium battery, the situation shown in the figure appears, the front-stage MOSFET bursts.
Analysis of the possibility of the cause
According to the customer's response, after replacing the lithium battery, the front MOSFET bursts. It can be judged that the voltage of the replaced lithium battery is too high that exceed the voltage range the machine can withstand, causing the front-stage MOS tube to burst.
Solutions and steps
Replace MOSFET.
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