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Please do not think these offerings by BigBattery.com are "marine" While I have not specifically purchased any of these, I spent weeks going back and forth with BB trying to get information for these for use in my boat. They have no idea what is even means to be "marine", and Will's teardowns...

Was about to pull trigger on the A123 LifePo4 from BigBattery to build a 24V 600ah bank in a boat. Then theres a group buy of 280ah aluminum encased cells. Want the safest batteries/etc --- wondering what is recommended as there are many types/price points. A123 - 24v 100ah $650ea - $270/kwh...

Have an opportunity to buy very cheap A123 24V 8s Lifepo4 batteries units from a late model Fisker. These are 7 years old, with "Low mileage". I know most poeple are buying new batteries...the discount is too much not to consider this, so im wondering about the expected life/longevity of these...

Have 24V alternator. Just bought a Balmar Mc-624 voltage regulator. Looking to install 24v lithium house bank using these: https://bigbattery.com/product/24v-100ah-li-ion-battery-box/ Have 24V 8D starting batteries Should I just put a ACR between them? Then alternator to lead acid, or...

Hi guys, thanks in advance for helping me out. Does anyone use the Model3 cell based battery box from BigBattery in a vehicle? Im trying to figure out what makes it a drop-in lead acid replacement, and if there is concern with charging from alternator. Not really getting satisfactory answer from...

Got a lead on some A123 LifePo4 24V (similar to the ones on bigbattery.com)- theyre showing 22.3V Are 8 years old or less, coming off a low-mileage EV. Killer deal (about $125 per module). dont want to waste my money on bad cells...theyre about an hour away, so I dont want to drive multiple...