Step 1, renew all the modules / cells with new ....
Step 2, using suitable workshop diagnostic equipment, reset the bars - easy !!

No, of course I'm not showing how its done - I'm just demonstrating how, with the correct equipment, an unscrupulous seller could EASILY reset the dash bars to fool a buyer into thinking the battery is often way better than reality ... notice, too, how the projected range increases, too - you MUST carry out a stress test on the battery, like this, with LeafSpy & LeLink2 OBDII dongle at low SOC [state of charge] and full power : [ Ссылка ]

The correct values for the dash bars & SOH etc will return after a few full charge / discharge sessions ....

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