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Deal.ai › Compare

SunGoldPower SG48100M 5.12kWh Powerwall Battery vs Sungold Power 48V 100Ah Server Rack Battery

Both are 51.2V 100Ah LiFePO4 batteries with over 7,000 cycles and 32-unit parallel expansion, so the choice comes down to form factor and communication. The SG48100M is a wall-mounted Powerwall with an LCD and RS485, suited to a garage or utility wall where floor space is tight. The Server Rack is a 3U stackable unit with both RS485 and CAN, a stated 4.92kWh usable capacity and a 100A continuous discharge rating, which makes it the better fit for rack cabinets and inverter setups that need CAN. Owners of both report reliable cells and easy hookup; the common complaint on the Powerwall is confusing instructions and inverter programming.

  • Choose the SunGoldPower SG48100M if you want a wall-mounted battery that saves floor space and you only need RS485 communication.
  • Choose the Sungold Power Server Rack if you are building a rack cabinet or need CAN communication and a documented 100A continuous discharge rating.

Prices

  • SunGoldPower SG48100M 5.12kWh Powerwall Battery: $1,017.00 at Solar Guys Pro (last seen Nov 11)
  • Sungold Power 48V 100Ah Server Rack Battery: $981.00 at Off-Grid Source (last seen Nov 13)
  • Difference: the Sungold Power 48V 100Ah Server Rack Battery is $36.00 cheaper than the SunGoldPower SG48100M 5.12kWh Powerwall Battery at the latest prices (Nov 11 and Nov 13)
SunGoldPower
SunGoldPower 5.12 Kwh 48v Powerwall LifePO4 Lithium Solar Battery SG48100M

SunGoldPower SG48100M 5.12kWh Powerwall Battery

SunGoldPower 5.12 Kwh 48v Powerwall LifePO4 Lithium Solar Battery SG48100M

5(6 ratings)
$1,017.00at Solar Guys ProChecked Nov 11
See all prices and details
Visit Solar Guys Pro
Pros
  • Wall mount frees up floor and rack space
  • Automotive-grade cells with a built-in BMS covering overcharge, deep discharge, overload, overheating and short circuits
  • LCD for real-time monitoring
  • Cables and accessories included
  • Owners describe the cells as reliable where other brands gave problems
Cons
  • RS485 only, no CAN
  • Usable capacity and continuous discharge rating not published
  • Buyers report confusing instructions that do not match the unit
  • Inverter programming described as head-scratching
Sungold Power
Sungold Power 48V 100AH Server Rack LiFePO4 Lithium Battery

Sungold Power 48V 100Ah Server Rack Battery

Sungold Power 48V 100AH Server Rack LiFePO4 Lithium Battery

5(8 ratings)
$981.00at Off-Grid SourceChecked Nov 13
See all prices and details
Visit Off-Grid Source
Pros
  • RS485 and CAN cover more inverter brands
  • Published 100A continuous discharge and 96% depth of discharge
  • Stackable 3U design suits rack cabinets and grows to 32 units
  • LCD plus PC monitoring over RS232/RS485
  • Works with any 48V hybrid inverter per the listing
Cons
  • Takes rack or shelf space rather than a wall
  • Peak discharge is brief: 5 minutes at 101–119A, 15 seconds at 120–200A
  • Fewer owner reports than the Powerwall line

What separates them

SunGoldPower SG48100M 5.12kWh Powerwall BatterySungold Power 48V 100Ah Server Rack Battery
MountingWall-mounted Powerwall3U server rack, stackable
CommunicationRS485RS485 and CAN
Stated usable energy5.12kWh nameplate, usable figure not published4.92kWh usable of 5.12kWh nameplate
Continuous dischargeNot published in the listed specs100A continuous, with short peak bursts
Depth of dischargeNot publishedUp to 96%
MonitoringLCD display on the unitLCD display plus RS232/RS485 to PC
Parallel expansionUp to 32 unitsUp to 32 units
Cycle lifeOver 7,000 deep cycles, up to 15 yearsOver 7,000 deep cycles, over 15 years

Price history

  • Sungold Power 48V 100Ah Server Rack Battery: lowest $1,121.00 on Nov 13 at Amazon.

Prices at every store

SunGoldPower SG48100M 5.12kWh Powerwall Battery

  • Solar Guys ProNew

    In stockReturn policy

    $1,017.00Checked Nov 11
    Visit Solar Guys Pro
  • Off-Grid SourceNew

    In stockReturn policy

    $1,130.00Checked 22 h ago
    Visit Off-Grid Source
All 2 stores and price history →

Sungold Power 48V 100Ah Server Rack Battery

  • Off-Grid SourceNew

    In stockReturn policy

    $981.00Checked Nov 13
    Visit Off-Grid Source
  • Urban Supply IncorporatedNew

    In stockReturn policy

    $1,090.00Checked Nov 13
    Visit Urban Supply Incorporated
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $1,121.00Free shippingChecked Nov 13
    Visit Amazon

Store links may earn us a commission.

All 3 stores and price history →

Specs compared

SpecSunGoldPower SG48100M 5.12kWh Powerwall BatterySungold Power 48V 100Ah Server Rack Battery
Nominal voltage51.2V51.2V
CommunicationRS485 communicationRS485 and CAN
Capacity100Ah—
ChemistryLiFePO4—
Mountingwall-mounted—
Cell gradeautomotive-grade battery cells—
Deep cyclesover 7,000 deep cycles—
Lifespanup to a 15-year lifespan—
Activationactivated by mains power or photovoltaic input …—
Nameplate Capacity—100Ah — 5.12kWh
Usable Energy—4.92kWh
Voltage Range—44.8–57.6V
Show all 19 specsShow fewer specs
SpecSunGoldPower SG48100M 5.12kWh Powerwall BatterySungold Power 48V 100Ah Server Rack Battery
Maximum Charge Current—70A
Maximum Continuous Discharge Current—100A
Peak Discharge—101–119A for 5 minutes; 120–200A for 15 seconds
Cycle Life—Over 7,000 deep cycles
Depth of Discharge—Up to 96%
Maximum Parallel Units—32
Rack Height—3U

What reviewers say

SunGoldPower SG48100M 5.12kWh Powerwall Battery

Owners describe SunGold batteries as reliable, with several saying they never failed where other brands gave problems. The recurring complaints are confusing instructions and tricky inverter programming.

What people mention
  • ReliabilityPraisedOwners say the batteries keep working where other brands have failed.
  • InstallationPraisedBuyers describe hooking the unit up as easy and painless.
  • InstructionsCriticisedThe manual is called confusing and inconsistent with the actual unit.
  • Inverter setupCriticisedProgramming the inverter is described as head-scratching.

Questions and answers

Which is better for a rack-based solar setup?
The Server Rack. Its 3U stackable chassis is built to sit in a cabinet, and it adds CAN alongside RS485 for inverter communication.
Which is better if I have no floor space?
The SG48100M. It mounts on a wall and keeps the footprint clear, and it still parallels up to 32 units.
Do they store the same amount of energy?
Both are 51.2V 100Ah, or 5.12kWh nameplate. The Server Rack publishes 4.92kWh usable at up to 96% depth of discharge; the Powerwall does not publish a usable figure.
Which lasts longer?
Both are rated over 7,000 deep cycles and about 15 years, so lifespan is not the deciding factor. Pick on mounting and communication.
Is the Server Rack worth stepping up to over the Powerwall?
Yes if you need CAN or a rack form factor, since the Powerwall is RS485 only. If you just need wall-mounted storage, the Powerwall covers it.
Will either work with my hybrid inverter?
The Server Rack lists compatibility with any 48V hybrid inverter via RS485 or CAN. The Powerwall lists Growatt, Deye, SunGoldPower, Luxpower, Victron, Schneider, Phocos and SMK over RS485, so check yours against that list.

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