I've had two of their 12v 10ah for two years. My buddy has another two for just as long. We use them constantly in our helix flashers, marcum flashers, homemade power boxes (camp lighting, phone charging, inflatable mattresses, pool floaties, etc), year round. +30 to -35.
I still can't get over how long they last on a charge and how fast they recharge (we got the proper LiFePO4 chargers). Testing them now and again for capacity they have shown no signs of slowing down.
Fast delivery, great price, local business, great technology, great product.
Considering the price comparison to that of SLA and standard lithium... Not sure what the counter argument could be other than the small sample size.
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