StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › Compare

ECO-WORTHY PowerMega 314 Battery vs EG4 PowerPro 48V 280Ah Battery

Both are 51.2V LiFePO4 server-style batteries with 8,000-cycle ratings and strong owner ratings, so the choice comes down to capacity, current and installation. The ECO-WORTHY PowerMega 314 gives you more energy per unit (16.1 kWh vs 14.3 kWh), a higher 200A charge and discharge limit, a built-in 7-inch touchscreen and active cell balancing, but it is IP30 and must stay indoors or in a protected enclosure. The EG4 PowerPro is the tougher, more integrated unit: IP65, wall-mounted, self-heating for cold, and UL 9540A listed with a 10kW continuous output, but it delivers less energy and caps continuous discharge at 140A. Owners of both praise build quality and easy BMS communication; ECO-WORTHY buyers report missing cables and a flaky SOC readout, while EG4 buyers mostly cite the higher capacity per unit as the reason to step up.

  • Choose the ECO-WORTHY PowerMega 314 if you want the most kilowatt-hours per unit, need 200A charge or discharge, and can house the battery indoors or in a weather-protected space.
  • Choose the EG4 PowerPro if the battery goes outdoors or on an exterior wall, you need cold-weather self-heating and UL 9540A listing, or you want a cleaner wall-mounted install.

Prices

  • ECO-WORTHY PowerMega 314 Battery: $2,499.99 at ECO-WORTHY (last seen Nov 13)
  • EG4 PowerPro 48V 280Ah Battery: $3,124.99 at Renewable Outdoors (last seen Nov 13)
  • Difference: the ECO-WORTHY PowerMega 314 Battery is $625.00 cheaper than the EG4 PowerPro 48V 280Ah Battery at the latest prices (Nov 13)
ECO-WORTHY
ECO-WORTHY PowerMega 314 51.2V 314AH Lithium Battery 16kWh

ECO-WORTHY PowerMega 314 Battery

ECO-WORTHY PowerMega 314 51.2V 314AH Lithium Battery 16kWh

4.8(31 ratings)
$2,499.99at ECO-WORTHYChecked 17 h ago
See all prices and details
Visit ECO-WORTHY
Pros
  • 16.1 kWh per unit, the most capacity in this pair
  • 200A charge and discharge suits large inverters and fast charging
  • 7-inch touchscreen plus Bluetooth, Wi-Fi and PC software
  • Active cell balancing and integrated aerosol fire suppression
  • UL 1973 listed with a 10-year warranty
Cons
  • IP30 only, so it needs a dry, protected location
  • Some buyers received no battery cables
  • SOC display reported as unreliable by some owners
  • No self-heating for cold climates
EG4
EG4 PowerPro 48V 280Ah LiFePO4 Battery

EG4 PowerPro 48V 280Ah Battery

EG4 PowerPro 48V 280Ah LiFePO4 Battery

4.8(35 ratings)
$3,124.99at Renewable OutdoorsChecked 17 h ago
See all prices and details
Visit Renewable Outdoors
Pros
  • IP65 all-weather enclosure for outdoor wall mounting
  • Integrated self-heating for cold-weather charging
  • UL 9540A and UL 1973 listed
  • 10kW continuous output with 15.4kW short surges

What separates them

ECO-WORTHY PowerMega 314 BatteryEG4 PowerPro 48V 280Ah Battery
Usable energy per unit16.08 kWh (314Ah)14.3 kWh (280Ah)
Enclosure ratingIP30, indoor or sheltered onlyIP65, outdoor all-weather rated
Continuous discharge current200A max charge and discharge140A continuous, 10kW output with short surges
Cold-weather operationNo integrated heaterIntegrated self-heating
CertificationsUL 1973UL 1973 and UL 9540A
Monitoring and controls7-inch touchscreen, Bluetooth, Wi-Fi, CAN/RS485/RS232BMS with CAN/RS485 communications, no built-in screen
Mounting and weight130 kg floor or rack unit, 807 x 520 x 252 mm140 kg wall-mounted enclosure
Parallel expansionUp to 15 units, about 241 kWhParallel bank supported; check the inverter's limits

Price history

  • ECO-WORTHY PowerMega 314 Battery: lowest $2,499.99 on Nov 9 at Ampere Authority; $2,499.99 on Nov 10.

Prices at every store

ECO-WORTHY PowerMega 314 Battery

  • ECO-WORTHYNew

    In stockReturn policy

    $2,499.99Checked 17 h ago
    Visit ECO-WORTHY
  • Ampere AuthorityNew

    Availability unknown

    $2,499.99Free shippingChecked Nov 10
    Visit Ampere Authority
All 2 stores and price history →

EG4 PowerPro 48V 280Ah Battery

  • Renewable OutdoorsNew

    In stockReturn policy

    $3,124.99Checked 17 h ago
    Visit Renewable Outdoors
  • Green Vista LivingNew

    In stockReturn policy

    $3,124.99Checked Nov 11
    Visit Green Vista Living
  • GobekUSANew

    In stockReturn policy

    $3,124.99Checked Nov 11
    Visit GobekUSA
  • Off-Grid HabitatsNew

    Availability unknownReturn policy

    $3,124.99Checked Nov 11
    Visit Off-Grid Habitats
All 5 stores and price history →

Specs compared

SpecECO-WORTHY PowerMega 314 BatteryEG4 PowerPro 48V 280Ah Battery
Weight130kg308.6 lbs. (140 kg)
Nominal Voltage51.2V—
Nominal Capacity314AH—
Nominal Energy16077Wh—
Battery TypeLFP—
Cycle Life8000(80%DOD, 0.5C, 25℃)—
Maximum Parallel Units15 units—
Maximum Charge Current200A—
Maximum Discharge Current200A—
Dimensions807 * 520 * 252mm—
CommunicationCAN/RS485/RS232—
IP RatingIP30—
Show all 22 specsShow fewer specs
SpecECO-WORTHY PowerMega 314 BatteryEG4 PowerPro 48V 280Ah Battery
Voltage—51.2V
Capacity—280Ah
Design Life—8000 Deep Cycles
Lifetime Production—82.6MWh
Max Continuous Discharge—140A
Storage—14.3kWh
Certifications—UL 9540A | UL 1973 | IP65
Continuous Output—10kW
Peak Surge—10.5kW for 10 seconds and 15.4kW for 3 seconds
Enclosure Rating

What reviewers say

ECO-WORTHY PowerMega 314 Battery

  • 4.8 / 531 ratings

Owners rate it highly, calling it well built and easy to install, with accurate BMS communication to EG4 inverters and enough capacity to cover overnight loads. Complaints center on accessories and setup: missing cables, awkward Wi-Fi monitoring, shaky SOC readings and a touchscreen that is hard to read off-axis.

What people mention
  • Build qualityPraisedOwners describe it as well built with quality throughout and arriving in good condition.
  • Inverter compatibilityPraisedBuyers report easy installation and working BMS communication with EG4 inverters.
  • CapacityPraisedOwners say the high capacity easily covers overnight power needs.
  • Monitoring setupCriticisedSome owners found Wi-Fi monitoring setup difficult and the SOC display unreliable.

EG4 PowerPro 48V 280Ah Battery

  • 4.8 / 535 ratings

Owners rate it 4.8 out of 5 and praise the capacity, the outdoor-rated enclosure and the cold-weather heating. Complaints center on the weight and the effort of hanging it.

What people mention
  • CapacityPraisedOwners like getting 14.3kWh from one wall-mounted unit instead of several rack batteries.
  • Weather sealingPraisedThe IP65 enclosure is trusted for outdoor and garage mounting.
  • Cold weatherPraisedIntegrated self-heating keeps it working in freezing temperatures.
  • WeightCriticised

Questions and answers

Which is better for an outdoor install?
The EG4 PowerPro. Its IP65 enclosure and self-heating let it sit on an exterior wall in rain and cold. The ECO-WORTHY is IP30 and belongs indoors or in a sealed, dry enclosure.
Which gives more backup power per battery?
The ECO-WORTHY, at 16.1 kWh against 14.3 kWh. For the same bank size you need fewer ECO-WORTHY units, though the EG4's 10kW continuous output covers most whole-home loads on its own.
Which lasts longer?
Both are rated at 8,000 cycles at 80% depth of discharge on LiFePO4 cells, so cycle life is a wash. Real longevity depends more on temperature, depth of discharge and whether the battery stays within its current limits.
Is the EG4 worth stepping up to over the ECO-WORTHY?
Step up if the battery lives outdoors, sees freezing temperatures, or your inspector wants UL 9540A. Stay with the ECO-WORTHY if you need maximum capacity per unit, 200A current, or built-in screen monitoring in a protected room.
Will either work with my inverter?
Both speak CAN and RS485, and owners report quick BMS recognition with common hybrid inverters, including EG4 inverters on the ECO-WORTHY. Confirm your inverter's supported battery list and closed-loop protocol before buying.
Can I parallel several units?
Yes on both. The ECO-WORTHY supports up to 15 units in parallel, about 241 kWh. The EG4 parallels too, but check your inverter's battery limit and the current rating of your busbars and cabling.

Ask our shopping agent

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

More comparisons

  • ECO-WORTHY PowerMega 314 51.2V 314AH Lithium Battery 16kWh vs Tesla Powerwall 3
  • Tesla Powerwall 3 vs EG4 PowerPro 48V 280Ah LiFePO4 Battery
  • ECO-WORTHY PowerMega 314 51.2V 314AH Lithium Battery 16kWh vs Wall-mounted X LiFePO4 LITHIUM BATTERY 10.24kWh 51.2V 200AH SG48200T
  • ECO-WORTHY PowerMega 314 51.2V 314AH Lithium Battery 16kWh vs Sungold Power 48V 100AH Server Rack LiFePO4 Lithium Battery
  • ECO-WORTHY PowerMega 314 51.2V 314AH Lithium Battery 16kWh vs SunGoldPower 5.12 Kwh 48v Powerwall LifePO4 Lithium Solar Battery SG48100M
  • Wall-mounted X LiFePO4 LITHIUM BATTERY 10.24kWh 51.2V 200AH SG48200T vs EG4 PowerPro 48V 280Ah LiFePO4 Battery

Buying guides that pick them

  • Best lithium solar batteries for home storage
  • Best off-grid solar batteries for a small home
Clean wall-mounted install saves floor space
Cons
  • 14.3 kWh per unit, less than the ECO-WORTHY
  • 140A continuous discharge limits big single-inverter loads
  • Heavier at 140 kg and needs solid wall anchoring
  • No built-in touchscreen or Wi-Fi app monitoring
—
IP65
At over 300 lbs it takes two people and a solid wall to install.