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expiredRed_Liz | Staff posted Apr 21, 2026 12:28 PM
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expiredRed_Liz | Staff posted Apr 21, 2026 12:28 PM

ECO-WORTHY SL3500 5120Wh 3500W Stackable Power Station

+ Free S&H

$1,160

$1,500

22% off
eBay
16 Comments
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Deal Details
eco-worthy-us via eBay has ECO-WORTHY SL3500 5120Wh 3500W Stackable Power Station on sale for $1,159.99. Shipping is free.

Thanks to Staff Member Red_Liz for sharing this deal.

Details:
  • Whole-Home Backup: 3.5 kW output (expandable to 7 kW) with UPS switching under 20 ms; keeps refrigerators, Wi-Fi, medical devices, and lights running during outages
  • Scalable Capacity: Starts at 5.12 kWh, expandable up to 15.36 kWh for growing energy needs
  • Off-Grid Ready: Quiet, zero-emission LiFePO₄ power ideal for RVs, camping, tools, and outdoor events
  • Durable & Safe: Rugged metal-cased LiFePO₄ battery with BMS; 3,000+ cycles (8–10 years daily use); operates down to –4°F
  • Smart & Portable: App monitoring, stackable modules, wheeled trolley with telescopic handle for easy transport and management
  • Package Includes: 1× 3500W inverter/controller, 1× base stand, and 2 or 4× 48V 50Ah battery modules
  • Note: PV/AC charging cables not included; contact [email protected] for base/layer bracket purchases or issues; wait for all packages before assembly

Editor's Notes

Written by SaltyOne | Staff
  • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • At the time of this posting, our research indicates that this is $140 lower than the next best comparable online prices starting from $1,129.99.
Please see the original post for additional details & refer to the comments below for discussion.

Original Post

Written by Red_Liz | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
eco-worthy-us via eBay has ECO-WORTHY SL3500 5120Wh 3500W Stackable Power Station on sale for $1,159.99. Shipping is free.

Thanks to Staff Member Red_Liz for sharing this deal.

Details:
  • Whole-Home Backup: 3.5 kW output (expandable to 7 kW) with UPS switching under 20 ms; keeps refrigerators, Wi-Fi, medical devices, and lights running during outages
  • Scalable Capacity: Starts at 5.12 kWh, expandable up to 15.36 kWh for growing energy needs
  • Off-Grid Ready: Quiet, zero-emission LiFePO₄ power ideal for RVs, camping, tools, and outdoor events
  • Durable & Safe: Rugged metal-cased LiFePO₄ battery with BMS; 3,000+ cycles (8–10 years daily use); operates down to –4°F
  • Smart & Portable: App monitoring, stackable modules, wheeled trolley with telescopic handle for easy transport and management
  • Package Includes: 1× 3500W inverter/controller, 1× base stand, and 2 or 4× 48V 50Ah battery modules
  • Note: PV/AC charging cables not included; contact [email protected] for base/layer bracket purchases or issues; wait for all packages before assembly

Editor's Notes

Written by SaltyOne | Staff
  • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • At the time of this posting, our research indicates that this is $140 lower than the next best comparable online prices starting from $1,129.99.
Please see the original post for additional details & refer to the comments below for discussion.

Original Post

Written by Red_Liz | Staff

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+22
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Apr 23, 2026 07:15 PM
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Brent2019Apr 23, 2026 07:15 PM
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Quote from sixtomarcelo :
It's the shadow/lighting creating that effect.
Shadow doesn't make the label uneven.

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