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ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery 16kWh | Active Balance | UL1973
ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery 16kWh | Active Balance | UL1973, view 2ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery 16kWh | Active Balance | UL1973, view 3ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery 16kWh | Active Balance | UL1973, view 4ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery 16kWh | Active Balance | UL1973, view 5ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery 16kWh | Active Balance | UL1973, view 6
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ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery 16kWh | Active Balance | UL1973

$2,400–$8,400Save up to 23%

In stock at eco-worthy.com

The ECO-WORTHY PowerMega 314 is a 51.2V 314Ah LiFePO4 battery holding about 16kWh in a single unit, with a 200A BMS, active balancing, and built-in fire suppression. A 7 inch touchscreen plus Bluetooth, WiFi, and PC software handle monitoring. It is UL1973 listed and scales to 241kWh.

Shop now at ECO-WORTHY →

ECO-WORTHY review·All 51 ECO-WORTHY products·ECO-WORTHY coupons & deals·Visit eco-worthy.com

Packs
1 Pack · 2 Packs ($2399.99/Each,get 1 free 400A busbar) · 4 Packs ($2139.99/Each,get 2 free 400A busbar)

Price and stock from eco-worthy.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • 51.2V 314Ah, about 16kWh per battery
  • 200A smart BMS with active balancing
  • Integrated fire suppression
  • 7" touchscreen, Bluetooth, WiFi, PC software
  • Expandable up to 241kWh

Best for

Homeowners building whole-home backup who want fewer, larger batteries.

Things to consider

  • At about 280 lbs (per bundle specs), installation takes planning
  • Multi-pack pricing drops to $2,139.99 each at 4 packs
  • Charging is limited to 0 to 55°C per related specs

Key specs

Price$2,400–$8,400
Voltage / capacity51.2V 314Ah (16kWh)
BMS200A
Max expansion241kWh
CertificationUL1973
Warranty10 years

Our take

Strong capacity per dollar for whole-home storage.

ECO-WORTHY PowerMega 314 | 51.2V 314AH Lithium Battery… at a glance

BrandECO-WORTHY
Price$2,400–$8,400 (some options up to 23% off)
Typelithium battery
Options3 packs
AvailabilityIn stock at eco-worthy.com
ReturnsDamaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY…

Price check

At $2,400, the ECO-WORTHY PowerMega 314 is toward the top of ECO-WORTHY's price range, whose 51 listed products run $15.99 to $21,000.

Some options are on sale, up to 23% below their listed price; the discount depends on the option you choose. Sale prices can end without notice, so check the live price before you order.

Similar items from other brands we track run $4.99 to $149.99.

Buying from ECO-WORTHY

ECO-WORTHY is a strong pick for DIY solar builders and RV owners who want LiFePO4 batteries and complete kits at prices well below the premium brands. Skip it if you want an installer-backed, plug-and-play system with local service. Before buying, read the return terms closely: change-of-mind returns are on you to ship back, and the refund page describes them as a partial refund.

Shipping
Orders process in 1 to 3 business days, then ship in 3 to 5 business days from the US or Canada warehouse (3 to 7 from EU, UK, AU), tracked. Large panel kits ship by freight in 5 to 14 business days.
Returns
Damaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY covers return shipping. Other returns are accepted within 30 days in new condition with original packaging, with return shipping paid by the buyer.
Warranty
The FAQ states a 10-year warranty on batteries covering non-human-induced failure. Modified products void the warranty.

Read our full ECO-WORTHY review and shop all products →

Frequently asked questions

How much energy does the PowerMega 314 store?
About 16kWh per battery.
Can it be wall mounted?
The listing handle references wall mount; confirm the mounting hardware with ECO-WORTHY.
Is the ECO-WORTHY PowerMega 314 on sale?
Yes, some options are discounted, up to 23% off; it currently sells for $2,400–$8,400. The exact saving depends on the option you pick, so check it on eco-worthy.com.
Is there a discount on the ECO-WORTHY PowerMega 314?
ECO-WORTHY publishes these ways to save: $10 off first purchase for joining; ECO-WORTHY Rewards points; Give $25, get $25 referral; 5% military discount. ECO-WORTHY sets the terms, which can change; our ECO-WORTHY coupons page has the details.
What is ECO-WORTHY's return policy?
Damaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY covers return shipping. Other returns are accepted within 30 days in new condition with original packaging, with return shipping paid by the buyer.
How long does ECO-WORTHY take to ship?
Orders process in 1 to 3 business days, then ship in 3 to 5 business days from the US or Canada warehouse (3 to 7 from EU, UK, AU), tracked. Large panel kits ship by freight in 5 to 14 business days.
Does the ECO-WORTHY PowerMega 314 come with a warranty?
ECO-WORTHY's published warranty terms: The FAQ states a 10-year warranty on batteries covering non-human-induced failure. Modified products void the warranty.
What options does the ECO-WORTHY PowerMega 314 come in?
Packs: 1 Pack, 2 Packs ($2399.99/Each,get 1 free 400A busbar), 4 Packs ($2139.99/Each,get 2 free 400A busbar).
Where can I buy the ECO-WORTHY PowerMega 314?
The ECO-WORTHY PowerMega 314 is sold directly by ECO-WORTHY on eco-worthy.com. The Shop now button on this page goes straight to the product there.
Is the ECO-WORTHY PowerMega 314 in stock?
Yes. ECO-WORTHY lists it as in stock on eco-worthy.com as of our latest check. Stock and prices refresh throughout the day.
Is ECO-WORTHY a legit store?
ECO-WORTHY is a strong pick for DIY solar builders and RV owners who want LiFePO4 batteries and complete kits at prices well below the premium brands. Skip it if you want an installer-backed, plug-and-play system with local service. Before buying, read the return terms closely: change-of-mind returns are on you to ship back, and the refund page describes them as a partial refund. Our full ECO-WORTHY review covers shipping, returns and what to check before ordering.
Is the ECO-WORTHY PowerMega 314 expensive?
At $2,400 it is toward the top of ECO-WORTHY's range ($15.99 to $21,000 across 51 products), and similar items from other brands run $4.99 to $149.99.

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