Since "installing" the LED gauge, I've swapped out four batteries for "spares" that were sitting around. (They'd been more or less kept topped up once every month or so.)
The LED monitor is fantastic! By being able to identify - and then replace - the worst battery from the pack, I've managed to improve the range of the car significantly. The furthest I'd gone on this pack was 16.7 km, with an average closer to 12 km. I just rolled in with 19.4 km on the odo (and it wasn't on its knees, either). And this is the "B pack"!
I've done quite a bit of driving in the past 2 days sorting out batteries.
Of course, if I'd ever built a decent load tester, I could have figured out which batteries were strong/weak sooner than this.
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