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shivster1796 8.4K Views
Sep 15, 2026 12:07 PM

ECO-WORTHY 2Pack 12V 280Ah Metal Case LiFePO4 Battery Bluetooth BMS $548.90 + Free Shipping

$551

$899

38% off
AliExpress
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ECO-WORTHY 2Pack 12V 280Ah Metal Case LiFePO4 Battery Bluetooth BMS $548.90 + Free Shipping

ECO-WORTHY via AliExpress. Ship from US warehouse.

Apply coupon 70USAFF or FSUS70 for $70 off at checkout.

Final Price: $548.90

Prices may vary by $1-$3 depending on the your account location.

Specs:
Type: 2Pack 12V 280Ah LiFePO4, Grade A cells
BMS: 200A, low-temp charge/discharge cutoff
Case: Metal enclosure, 4 mounting feet, no box needed
Monitor: Bluetooth app, real-time status
Protection: Overcharge, over-discharge, short, temp
Build: Shock & vibration resistant for RV/van
Current: 200A continuous, 220A peak (10s)
Use: Camper, trailer, solar, off-grid power

Note1: You must be signed into your AliExpress account and have your address added to your address book to add items to your cart and place an order. You may have to manually type in the promo code to apply it at checkout.
Note2: Price may fluctuate slightly with currency exchange rates.

https://www.aliexpress.us/item/32...pt=glo2usa
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About the Poster
Deal Details
Community Notes
About the Poster
ECO-WORTHY 2Pack 12V 280Ah Metal Case LiFePO4 Battery Bluetooth BMS $548.90 + Free Shipping

ECO-WORTHY via AliExpress. Ship from US warehouse.

Apply coupon 70USAFF or FSUS70 for $70 off at checkout.

Final Price: $548.90

Prices may vary by $1-$3 depending on the your account location.

Specs:
Type: 2Pack 12V 280Ah LiFePO4, Grade A cells
BMS: 200A, low-temp charge/discharge cutoff
Case: Metal enclosure, 4 mounting feet, no box needed
Monitor: Bluetooth app, real-time status
Protection: Overcharge, over-discharge, short, temp
Build: Shock & vibration resistant for RV/van
Current: 200A continuous, 220A peak (10s)
Use: Camper, trailer, solar, off-grid power

Note1: You must be signed into your AliExpress account and have your address added to your address book to add items to your cart and place an order. You may have to manually type in the promo code to apply it at checkout.
Note2: Price may fluctuate slightly with currency exchange rates.

https://www.aliexpress.us/item/32...pt=glo2usa

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12 Comments

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Sep 15, 2026 10:02 PM
395 Comments
Joined Sep 2006
woodpaqSep 15, 2026 10:02 PM
395 Comments

Our community has rated this post as helpful. If you agree, why not thank

Solid deal. If you can wait though, its been lower. I got my last 2 for 523.00, and 558.00 total to my door. AliXpress is finicky and if you catch them right and a good coupon. Major saving. Must check in often though.
Last edited by woodpaq September 16, 2026 at 04:19 AM.
1
Sep 17, 2026 7:00 AM
5.4K Comments
Joined Feb 2007
warezdogSep 17, 2026 7:00 AM
5.4K Comments
Are these will prowse approved?
Sep 17, 2026 7:22 AM
1.8K Comments
Joined Dec 2005
alphawaveSep 17, 2026 7:22 AM
1.8K Comments
Quote from warezdog View quoted comment :
Are these will prowse approved?
1
Sep 17, 2026 7:28 AM
5.4K Comments
Joined Feb 2007
warezdogSep 17, 2026 7:28 AM
5.4K Comments
Thanks for the link, much appreciated!
Sep 17, 2026 5:14 PM
25 Comments
Joined Aug 2023
FuzzyAlpacaSep 17, 2026 5:14 PM
25 Comments
Is there a way to easily convert these into a power station or home backup battery?
Sep 17, 2026 5:23 PM
123 Comments
Joined Oct 2009
antidelldudeSep 17, 2026 5:23 PM
123 Comments
Quote from FuzzyAlpaca View quoted comment :
Is there a way to easily convert these into a power station or home backup battery?
"Easy" all depends on your skillset. And being you asked the questions, you currently do not possess it. So my answer to you would be "hard".

You need an inverter, which you will want to go with a 48V unless you are doing a small install (sub 2,500 watts).

You will need a transfer switch to use it as a backup OR get a really nice inverter that does it for you.

And the cost and the complexity of all of that will vary based on the load, how long you want to back it up, how fast you want it to charge, how loud the inverters can be, if it's going to be mounted inside are you going UL Approved? Etc...
Sep 17, 2026 5:25 PM
25 Comments
Joined Aug 2023
FuzzyAlpacaSep 17, 2026 5:25 PM
25 Comments
Quote from antidelldude View quoted comment :
"Easy" all depends on your skillset. And being you asked the questions, you currently do not possess it. So my answer to you would be "hard".You need an inverter, which you will want to go with a 48V unless you are doing a small install (sub 2,500 watts).You will need a transfer switch to use it as a backup OR get a really nice inverter that does it for you.And the cost and the complexity of all of that will vary based on the load, how long you want to back it up, how fast you want it to charge, how loud the inverters can be, if it's going to be mounted inside are you going UL Approved? Etc...
Are there kits to use these as a power station that can be charged with AC? Or is it just more economical to buy a commercially available one?

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Sep 17, 2026 5:40 PM
1.8K Comments
Joined Dec 2005
alphawaveSep 17, 2026 5:40 PM
1.8K Comments
Quote from FuzzyAlpaca View quoted comment :
Are there kits to use these as a power station that can be charged with AC? Or is it just more economical to buy a commercially available one?
Commercial units are now competitive particularly if you're willing to buy clearance models on their update cycle ( like cell phones that have a new model release). By the time you futz with 2GA wires lugs fuses breakers cases or hand trucks, add solar charge controller and additional outlets, it makes sense to purchase a competitively priced fully engineered unit that can already meet your specs and put into immediate service. A DIY unit isn't hard but a learning curve, time, materials acquisition and build/ break-in aren't trivial.
1
Sep 18, 2026 4:24 AM
94 Comments
Joined Jan 2009
Whatta-DealSep 18, 2026 4:24 AM
94 Comments
Quote from FuzzyAlpaca View quoted comment :
Are there kits to use these as a power station that can be charged with AC? Or is it just more economical to buy a commercially available one?
Depending on the wattage you required, the best mix is typically buying an inexpensive power station (when you find one at a good price) then using the discounted LiFePO4 batteries as the expansion packs.

It's cleaner than wiring-up a separate inverter and there are times you don't need the added wattage where it's nice to have the option of a lighter power station, as well.
Sep 18, 2026 2:44 PM
28 Comments
Joined Dec 2014
ChrisC3645Sep 18, 2026 2:44 PM
28 Comments
Quote from Whatta-Deal View quoted comment :
Depending on the wattage you required, the best mix is typically buying an inexpensive power station (when you find one at a good price) then using the discounted LiFePO4 batteries as the expansion packs.

It's cleaner than wiring-up a separate inverter and there are times you don't need the added wattage where it's nice to have the option of a lighter power station, as well.
Do you have any guides or resources on how to use 4 of these paired with a power station like an eco-flow for example?
Sep 19, 2026 8:13 PM
114 Comments
Joined Mar 2018
jasonw2714Sep 19, 2026 8:13 PM
114 Comments
Quote from FuzzyAlpaca View quoted comment :
Are there kits to use these as a power station that can be charged with AC? Or is it just more economical to buy a commercially available one?
I would compare this to buying a laptop vs building your own pc. Depends on what's more important to you. Building your own power station will take you time plus learning curve, but you will have a system that you can easily and cheaply fix if a problem arises. A commercially available power station, like a laptop, means you will most likely not know what is inside and that means you would most likely need to replace the whole thing if something fails. I've had to dig through a power station and salvage parts that I could reuse after the charge controller died and that's when I decided to never buy another pre-built one again.

Price wise - after buying all the parts to assemble my own, I'd say they are equivalent, but I spent more on better quality parts that matter the most for safety.
Sep 25, 2026 4:53 PM
796 Comments
Joined Jan 2007
EsenteSep 25, 2026 4:53 PM
796 Comments
Quote from ChrisC3645 View quoted comment :
Do you have any guides or resources on how to use 4 of these paired with a power station like an eco-flow for example?
It depends on your EcoFlow models. With certain ones, you can by the WattLink cable and simply connect the EcoFlow's expansion battery port to the terminal rings of the batteries.

You put 4 of these batteries in series.

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