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ECO-WORTHY PowerMega 314 Battery vs Sungold Power Powerwall X SG48200T Battery

Buy the ECO-WORTHY PowerMega 314 if you want the most capacity per unit and the most built-in safety and monitoring. Its 16 kWh, 200A BMS, active balancing, fire suppression and 7-inch touchscreen are a step above the Sungold Power Powerwall X. The Sungold is the simpler, wall-mounted pick with UPS switching and wider inverter compatibility, and it scales to more units in parallel. Owners of both report easy installs; ECO-WORTHY buyers flag missing battery cables and an unreliable SOC display, while Sungold feedback is thinner and mostly about support.

  • Choose the ECO-WORTHY PowerMega 314 if you want maximum capacity per battery, active cell balancing, integrated fire suppression and on-unit touchscreen monitoring.
  • Choose the Sungold Power Powerwall X if you want a wall-mounted unit with UPS switching and broad inverter compatibility across Sol-Ark, Growatt, Victron and Schneider systems.

Prices

  • ECO-WORTHY PowerMega 314 Battery: $2,499.99 at ECO-WORTHY (last seen Nov 13)
  • Sungold Power Powerwall X SG48200T Battery: $2,151.00 at Off-Grid Source (last seen Nov 13)
  • Difference: the Sungold Power Powerwall X SG48200T Battery is $348.99 cheaper than the ECO-WORTHY PowerMega 314 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 kWh per unit cuts the number of batteries you need
  • Active balancing and fire suppression add safety and longevity
  • 7-inch touchscreen plus Bluetooth and Wi-Fi monitoring
  • UL 1973 certified with a 10-year warranty
  • Buyers report clean BMS communication with EG4 inverters
Cons
  • Battery cables were missing for some buyers
  • SOC display reported as unreliable by owners
  • 130 kg unit is heavy to move and install
  • A FULLY warning appears that the manual does not explain
W
Wall-mounted X LiFePO4 LITHIUM BATTERY 10.24kWh 51.2V 200AH SG48200T

Sungold Power Powerwall X SG48200T Battery

Wall-mounted X LiFePO4 LITHIUM BATTERY 10.24kWh 51.2V 200AH SG48200T

5(13 ratings)
$2,151.00at Off-Grid SourceChecked 21 h ago
See all prices and details
Visit Off-Grid Source
Pros
  • Wall-mounted design saves floor space
  • UPS function switches between grid, solar and battery
  • Works with Sol-Ark, Growatt, Victron, SMA and Schneider inverters
  • Scales to 32 units for large installations
  • Buyers report easy connections and helpful tech support
Cons
  • 10.24 kWh per unit means more units for the same capacity
  • No touchscreen or Wi-Fi monitoring; RS485 and CAN only
  • No active cell balancing or fire suppression stated
  • Fewer owner reviews, so the track record is thinner

What separates them

ECO-WORTHY PowerMega 314 BatterySungold Power Powerwall X SG48200T Battery
Energy per unit16.08 kWh (51.2V, 314Ah)10.24 kWh (51.2V, 200Ah)
Parallel scalingUp to 15 units, about 241 kWhUp to 32 units, over 327 kWh
Continuous current200A charge and discharge200Ah pack; charge/discharge rate not stated as a figure
Cell balancingActive cell balancing in the BMSStandard BMS protection, no active balancing stated
Fire safetyIntegrated aerosol fire-suppression modulesBMS protection only
Monitoring7-inch touchscreen, Bluetooth, Wi-Fi, PC software, CAN/RS485/RS232RS485 and CAN, no on-unit screen
MountingFloor or rack unit, 130 kg, IP30Wall-mounted enclosure
UPS switchingNot statedSeamless grid, solar and battery switching

Price history

$3,299.00$2,499.99
Nov 9Nov 11
  • ECO-WORTHY PowerMega 314 Battery: lowest $2,499.99 on Nov 9 at Ampere Authority; $2,499.99 on Nov 10.
  • Sungold Power Powerwall X SG48200T Battery: lowest $3,299.00 on Nov 11 at The Home Depot.

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 →

Sungold Power Powerwall X SG48200T Battery

  • Off-Grid SourceNew

    In stockReturn policy

    $2,151.00Checked 21 h ago
    Visit Off-Grid Source
  • SunGoldPowerNew

    In stockReturn policy

    $2,151.00Checked 21 h ago
    Visit SunGoldPower
  • Solar Guys ProNew

    In stockReturn policy

    $2,151.00Checked 21 h ago
    Visit Solar Guys Pro
  • Renewable OutdoorsNew

    In stockReturn policy

    $2,151.00Checked 21 h ago
    Visit Renewable Outdoors
All 12 stores and price history →

Specs compared

SpecECO-WORTHY PowerMega 314 BatterySungold Power Powerwall X SG48200T Battery
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—
Weight130kg—
CommunicationCAN/RS485/RS232—
IP RatingIP30—

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.

Sungold Power Powerwall X SG48200T Battery

  • 5 / 513 ratings

Only 13 ratings are on record, all at five stars, so the sample is small and likely early-adopter. Buyers who rate it point to the capacity and the monitoring display; there is little long-term feedback yet.

What people mention
  • CapacityPraisedOwners like getting 10.24kWh from one wall-mounted battery.
  • MonitoringPraisedThe LCD touchscreen for state of charge, current and voltage gets positive mention.
  • ReliabilityMixedWith only 13 ratings, buyers have little long-term data on the 15-year lifespan claim.

Questions and answers

Which is better for a whole-home backup system?
The ECO-WORTHY gives more capacity per unit and adds fire suppression and active balancing, which suits a large single-bank install. The Sungold's UPS switching and broad inverter compatibility make it the easier fit if your inverter is on its supported list.
Which battery lasts longer?
ECO-WORTHY rates its cells at 8000 cycles at 80% depth of discharge, and active balancing helps hold capacity over time. Sungold does not publish a cycle figure, so the ECO-WORTHY has the clearer longevity claim.
Can I mix these batteries in one bank?
No. Parallel only identical models with matching voltage and BMS communication. Both are 51.2V, but their capacities and BMS protocols differ, so keep each bank to one model.
Is the Sungold worth stepping up to for a bigger system?
Only if you need many parallel units or a wall mount. It scales to 32 units, but each carries less energy, so you need more units to match one ECO-WORTHY.
Do both talk to my inverter?
Both use CAN and RS485. Sungold names Sol-Ark, Growatt, Victron, SMA and Schneider; ECO-WORTHY buyers report success with EG4. Check your inverter's compatibility list before buying.
Which is easier to install?
The Sungold mounts on a wall and buyers report simple connections. The ECO-WORTHY weighs 130 kg and needs a floor or rack, and some buyers had to source battery cables themselves.

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