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expiredf12_26 | Staff posted Jul 05, 2025 10:44 PM
expiredf12_26 | Staff posted Jul 05, 2025 10:44 PM

2-Pack ECO-WORTHY 3584Wh 12V/280Ah Smart LiFePO4 Battery w/ Bluetooth Monitoring $680 + Free Shipping

$680

$850

20% off
eBay
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ECO-WORTHY US via Ebay [ebay.com] has 2-Pack ECO-WORTHY 12V 280Ah 7kWh LiFePO4 Lithium Battery Bluetooth on sale for $849.99 - 20% off when you apply promo code JULYFINDS on the checkout page = $679.99. Shipping is free.

About this product:
  • Bluetooth and remote app monitoring to read the battery voltage, current, battery capacity and other important information
  • 200A BMS with multiple protections, including low-temperature protection (charging cut-off 19.4 F)
  • Supports up to 4 batteries in parallel, providing 1120Ah at 12V ideal for RVs, or 4 in series ideal for 48V solar power systems
  • High-strength metal frame, Grade A cells
  • 6000-15000 long life cycles & 10-Year life
  • 17.8 x 9.37 x 8.7" (63.93 lbs)
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Deal Details
Community Notes
About the Poster
ECO-WORTHY US via Ebay [ebay.com] has 2-Pack ECO-WORTHY 12V 280Ah 7kWh LiFePO4 Lithium Battery Bluetooth on sale for $849.99 - 20% off when you apply promo code JULYFINDS on the checkout page = $679.99. Shipping is free.

About this product:
  • Bluetooth and remote app monitoring to read the battery voltage, current, battery capacity and other important information
  • 200A BMS with multiple protections, including low-temperature protection (charging cut-off 19.4 F)
  • Supports up to 4 batteries in parallel, providing 1120Ah at 12V ideal for RVs, or 4 in series ideal for 48V solar power systems
  • High-strength metal frame, Grade A cells
  • 6000-15000 long life cycles & 10-Year life
  • 17.8 x 9.37 x 8.7" (63.93 lbs)

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6 Comments

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Original Poster
Pro
Staff
Jul 07, 2025 01:28 AM
33,918 Posts
Joined Apr 2014
Jul 07, 2025 01:28 AM
f12_26Jul 07, 2025 01:28 AM
Original Poster
Pro
Staff
33,918 Posts
This beats previous front page price.
1
Jul 07, 2025 12:54 PM
16 Posts
Joined Jun 2022
Jul 07, 2025 12:54 PM
SmartWealth6334Jul 07, 2025 12:54 PM
16 Posts
This is a great price. 280 is what has been powering my camper for 3 years now.
If you want only one battery, try this deal here: https://slickdeals.net/f/18429064-eco-worthy-3584wh-12v-280ah-bluetooth-lifepo4-lithium-battery-12-24v-20a-charger-372-free-shipping
Jul 08, 2025 01:05 PM
9 Posts
Joined Mar 2023
Jul 08, 2025 01:05 PM
4SSFPBJul 08, 2025 01:05 PM
9 Posts
Newbie question: Can this 12.8v battery be used for 12v items in an RV?
Jul 08, 2025 03:26 PM
16 Posts
Joined Jun 2022
Jul 08, 2025 03:26 PM
SmartWealth6334Jul 08, 2025 03:26 PM
16 Posts
Quote from 4SSFPB :
Newbie question: Can this 12.8v battery be used for 12v items in an RV?
99% yes. There are poorly made electronics (famously Maxxair fan whose circuit burns up eventually in 13.6 v unless you add circuitry to lower it).
Jul 08, 2025 07:53 PM
666 Posts
Joined Nov 2006
Jul 08, 2025 07:53 PM
TROLLJul 08, 2025 07:53 PM
666 Posts
I've been looking hard at these, but also see the Wattcycle 280ah is on sale for $400 each and is much more compact.
**Edit: shoot brain fart… $680 for two EcoWorthy vs $800 for two Wattcycle… ok hopefully the larger EcoWorthy will fit!

Looking to put two in parallel in my small RV but space is a factor, fitting them inside my bench seat next to my inverter.
Trying to decide which is the better move all around and they seem pretty similar. Any input or feedback? Will Prowse has a comparison video I'm gojng to go back and watch again…
Jul 12, 2025 02:50 AM
60 Posts
Joined Feb 2016
Jul 12, 2025 02:50 AM
skystreamJul 12, 2025 02:50 AM
60 Posts
Are these eligible for 30% tax credit?

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