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I finally received my five OWL MAX batteries! They were back-ordered for ~1.5 months and finally shipped, arriving this past Friday (day before yesterday), ~two weeks earlier than BigBattery had estimated, yay! I failed to apply the @Will Prowse referral discount code at first, and BigBattery...

I was considering BigBattery 12 V LifePO4 batteries (yes, I saw the scary electrolyte leak that @Will Prowse noticed!). Specifically, I am trying to understand the differences between OWL and OWL MAX. OWL is 2.16 kWh and OWL MAX is 2.6 kWh. Current price shows the OWL a better deal in...

I recently set up a 48V off-grid UPS, using the AIMS Global LF Series Pure Sine Wave 4000W 48V inverter/charger. It has multiple battery types, and I've rotated that selector to LiFePo4, which is supposed to bulk charge at a fixed current, until the bank (4S Battle Born 100 AH) reaches 57.6 (=...

Hello everyone, New user, first post! I'm trying to build simple off-grid UPS, with much bigger total WH than the typical consumer grade single unit UPSs (e.g. APC). So, I tried to purchase 4X 206 AH SOK batteries, after watching Will Prowse's positive teardown/review. I placed my order...