ECO-WORTHY12V 280Ah 2 Pack LiFePO4 Lithium Battery with Bluetooth, Low Temp Protection, Built-in 200A BMS, 3584Wh Energy. Perfect for Off-Grid, RV, Solar System, Camper, Travel Trailer, Backup System

So far so good on 4 of these 280 AH batteries in parallel. They are 67 pounds each, far different from most Lithium batteries. The nice thing is they can be wired in series too. The story is still being told, but so far I'm satisfied.

These batteries are great. I dont think they can be beat for the price. We hace 2 and ran stuff for 4 days straight no problem no recharge straight battery. I would recomnend these if serious about bang for the buck and good quality for sure, happy customer.

Have had them working on my camper now for over a month got 4 and their 5000w hybrid inverter on my camper. They all work well together.

Is all I needed for this year

Slower drain then my supposedly slow drain deep cycle AGM set. Weight about 1/3 of gel matt (AGM) but not suitable for outdoor use due to a VERY limited temperature range. Charges fast with a smart charger. Not used much since i is power backup and not suitable for use in a greenhouse or I would have 6 lined up and regular use. Used indoors with an expensive inverter. Snohomish County has a very outdated power grid. Size is HUGE. I wish it were shorter and fatter, uses an entire 24" by 24" shelf.

I am a real buyer of these batteries. I use them with solar panels, inverter and power a portion on my house with them. I had T-105 lead acid battery bank. Welcome to the Future !!! The customer service is excellent if you have questions. Not only do I recommend these batteries and this company, I just purchased 2 more of them for a total of 4...

BEWARE!! Support is woefully inadequate. I'm an engineer, has taken **4+ MONTHS** to finally learn that these WILL NOT be suitable for a 48V nominal system!!! To maximize full cycle life (from responses to date, seems BMS only protects... no idea yet if properly charges internal cells), need 2 banks, one to charge, other discharge (down to ~20% SOC BEFORE charging again).I'm off-grid, with no reliable on-site internet. I still don't know if Bluetooth in batteries works, as I have been unable to get App: need file on microSD. Requested it be sent on one, (or emailed if small enough), or on CD-ROM. The phone I'll dedicate to monitoring no longer has service, and I have no intention of using current one! Had planned to use old tablet via WiFi (its Android version met spec, but live internet required--no Bluetooth).So, for all this time, batteries have sat, uselessly. It gets even better. After a fair number of emails back and forth (and some error in Amazon order#), today got one with link to a *100AH, with display* asking if that's what I'd ordered!!!

Ran 4 12's in series and parallel for 24vt inverter, batteries hold voltage well, work awesome.