Bought a pair of 12v x 100aH batteries…
Bought a pair of 12v x 100aH batteries in 2024. After less than 2 years of light use, they both drop off a cliff once stored energy gets below 83% - i.e. their charge slowly drops to about 83%, then plummets immediately to zero. The company seems to have disappeared sometime in 2025, so I guess I am s.o.l.