LeftieBiker wrote: HOWEVER...
4. Leaf Capacity Bars Can Be Reset! Dishonest sellers and wholesalers, and even unknowing dealership technicians, can cause the Battery Management System (aka "BMS") to reset itself. When this happens even a Leaf with several capacity bars gone will, for roughly a few weeks, show a full 12 bars until the BMS relearns the actual capacity. This can even fool LeafSpy, especially if a reading is taken soon after the reset. If a Leaf seems to have more bars than it should (Hot climate, older Leaf, test drive that seems to use up charge very quickly) then a reset should be suspected, and the car's history investigated. Remember, a cardinal rule of shopping for any car should apply: If the car seems too good for the price and capacity reading, or if you are suspicious of the seller or even just the car, PASS!
4.
LeafSpy Basics and Capacity Bars LeafSpy reads out the Battery Management System (aka "BMS") current estimate of battery capacity. This estimate can be raised and lowered with different driving and charging habits, as well as the seasonal cycle of slighter higher in the winter and slightly lower in summer. Even worse, some procedures for fixing or updating the car may reset the BMS. Worse still, dishonest sellers and wholesalers can cause the BMS to reset to values similar to a new battry. When this happens even a Leaf with several capacity bars gone will, for roughly a few weeks, show a full 12 bars until the BMS relearns the actual capacity. This can even fool LeafSpy, especially if a reading is taken soon after the reset. If a Leaf seems to have more bars than it should (Hot climate, older Leaf, test drive that seems to use up charge very quickly) then a reset should be suspected, and the car's history investigated. Remember, a cardinal rule of shopping for any car should apply:
If the car seems too good for the price and capacity reading, or if you are suspicious of the seller or even just the car, PASS!
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