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sungold power|SKU:SG48200T

SunGoldPower Powerwall X 51.2V 200AH LiFePO4 Battery — 10.24kWh Off-Grid Energy Storage

10.24kWh Wall-Mounted LiFePO4 Storage for Grid-Independent Power

10.24kWh LiFePO4 Storage — Reliable daily cycling with proven iron phosphate chemistry
8,000 Cycles at 80% DoD — Up to 15-year lifespan under regular off-grid use
Scale to 328kWh Total — Connect up to 32 units in parallel for expansion
RS485 and CAN Ready — Integrates with Victron, Sol-Ark, EG4, and more
Cold-Climate Auto Warming — Safe charging activates automatically in freezing temperatures
  • FREE System Design Consultation -- Our engineers size your system for your actual consumption
  • FREE Shipping -- LTL freight included on all orders, no surprise charges
  • Compatibility Guarantee -- Pre-vetted to work with your inverter and system architecture

$1,974.95

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SunGoldPower Powerwall X 51.2V 200AH Lithium Battery
SunGoldPower Powerwall X 51.2V 200AH Lithium Battery
$1,974.95

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  • SunGoldPower Powerwall X 51.2V 200AH Lithium Battery
SunGoldPower Powerwall X 51.2V 200AH Lithium Battery
SunGoldPower Powerwall X 51.2V 200AH LiFePO4 Battery — 10.24kWh Off-Grid Energy Storage
$1,974.95

10.24kWh Wall-Mounted LiFePO4 Storage for Grid-Independent Power

The SunGoldPower Powerwall X delivers 10.24kWh of reliable energy storage using field-tested LiFePO4 chemistry, built for serious off-grid and hybrid solar systems. With over 8,000 cycles at 80% DoD and a built-to-survive BMS guarding against overcharge, over-discharge, and temperature extremes, this battery is engineered for the long haul. A built-in touchscreen gives you real-time voltage, current, and state of charge data at a glance. Scale up to 32 units in parallel for 328kWh total capacity.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
LiFePO4 Chemistry
8,000+ Cycle Life
Touchscreen Display
Scale to 328kWh
10.24 kWh
Total Energy Capacity
8,000+
Cycles at 80% DoD
32 Units
Max Parallel Expansion
No Grid Dependency, No Compatibility Guesswork

No Grid Dependency, No Compatibility Guesswork

Your neighbor's grid-tied solar system goes dark the moment the utility fails. That is not energy independence — it is a bill reducer that still leaves you powerless during the four-day outage that costs you a freezer full of food. The Powerwall X is built for true off-grid operation: 10.24kWh of LiFePO4 storage that keeps your home running whether the grid exists or not. At Off Grid Vault, we pre-vet every component for real compatibility — the RS485 and CAN protocols on this battery speak directly to Victron, Sol-Ark, EG4, and Deye inverters. We spec systems we would install on our own cabins, so you never piece together mismatched components and hope they communicate.

15-Year LiFePO4 Lifespan That Outlasts Rate Hikes

15-Year LiFePO4 Lifespan That Outlasts Rate Hikes

Lithium iron phosphate is not a trend — it is the chemistry serious off-grid builders trust. The Powerwall X delivers over 8,000 cycles at 80% depth of discharge, translating to up to 15 years of daily cycling in a real-world system. At 198.4 lb in a 21.1 by 37.2 by 6.8 inch wall-mounted form factor, this battery fits where floor-standing units cannot. The integrated BMS protects against overcharge, over-discharge, overcurrent, temperature extremes, and short circuits — so your battery bank survives the conditions that destroy lesser cells. When your utility raises rates 40% over five years, this battery keeps earning its ROI every single day it cycles.

Expand From 10kWh to 328kWh as Your Needs Grow

Expand From 10kWh to 328kWh as Your Needs Grow

You start with one cabin and 10.24kWh. Two years later, you add a workshop. Five years later, a guest house. The Powerwall X scales with you — connect up to 32 units in parallel for 328kWh of total storage without replacing your core architecture. The touchscreen panel gives you real-time voltage, current, and state of charge data without opening an app. And for builders in northern climates, the automatic cold-weather warming function ensures safe charging when temperatures drop — because a battery that refuses to charge in January is not off-grid proven, it is just expensive wall art.

Sizing & Compatibility

Verify these conditions before integrating into your system build.

  • Wall mounting area at least 21.1" wide by 37.2" tall
  • Inverter supports 51.2V LiFePO4 communication via CAN or RS485
  • Charge source output does not exceed 140A continuous

Built For Real Scenarios

This battery handles the daily demands of full off-grid living and reliable backup power.

Whole-Home Off-Grid
Hybrid Solar Backup
Homestead & Cabin
Peak Shaving

Full specifications

At a glance

Dimensions
21.1" x 37.2" x 6.8"
Power
51.2V
Warranty
10-Year Limited Warranty
Full specifications13 data points across 4 categories

Dimensions

Overall Dimensions21.1" x 37.2" x 6.8"
Weight198.4 lb

Power & Performance

Battery TypeLiFePO4
Rated Voltage51.2V
Rated Capacity200Ah
Total Energy10.24 KWh
Max. Continuous ChargeCharge 140A, Discharge 200A
Recommended Charge Voltage56V
Recommended Discharge Voltage48V
Max Short Current & Duration920A/ 300us
Max Parallel Number32 pcs

Materials

Construction DetailsSee product page

Compliance & Warranty

Warranty10-Year Limited Warranty

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

Free System Design ConsultationOur engineers size your system for your actual consumption — no guesswork, no incompatible components.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days.
Free ShippingShips free on all orders, including LTL freight on large systems — no surprise freight charges.
★★★★★
“Mounted two of these on my shop wall next to my Sol-Ark 15K. RS485 connection was plug-and-play — the inverter picked up both batteries immediately and started reporting SoC. We had a three-day grid outage last February and the cold-weather warming kicked in without me touching anything. Ran my well pump, fridge, and shop lights the entire time. This is the battery bank I should have built from day one instead of messing with used AGM cells for two years.”
F
First L.Prescott, AZ

Powerwall X 51.2V 200AH Lithium Battery

The SunGold Power Powerwall X 51.2V 200AH Lithium Battery is a high-capacity energy storage solution designed for residential and commercial solar systems. Engineered with advanced lithium iron phosphate (LiFePO₄) technology, this battery delivers long-lasting performance, exceptional safety, and deep cycle reliability. Its 10.24kWh energy capacity supports demanding off-grid and hybrid applications, providing stable power for backup, peak shaving, or daily cycling use.

Built for efficiency and durability, the Powerwall X features a sleek wall-mounted design that saves space while maintaining easy accessibility. It offers more than 6,000 life cycles at 80% depth of discharge (DOD), making it a smart long-term investment for those looking to reduce reliance on the grid and maximize their solar ROI. The integrated Battery Management System (BMS) ensures optimal performance and protects against overcharge, over-discharge, overcurrent, and temperature extremes.


With smart communication protocols like RS485 and CAN, the Powerwall X is compatible with a wide range of inverters and energy management systems. Its modular design allows for parallel expansion, enabling users to scale their energy storage as needed. Whether you’re powering a home, cabin, or small business, the SunGold Power Powerwall X provides the dependable energy storage you need—efficient, safe, and built to last.

Powerwall X 51.2V 200AH Lithium Battery

SunGold Power Powerwall X Specs

  • Battery Type: LiFePO4
  • Rated Voltage: 51.2V
  • Rated Capacity: 200Ah
  • Total Energy: 10.24 KWh
  • Max. Continuous Charge: Charge 140A, Discharge 200A
  • Recommended Charge Voltage: 56V
  • Recommended Discharge Voltage: 48V
  • Max Short Current & Duration: 920A/ 300us
  • Dimensions: 21.1″ x 37.2″ x 6.8″
  • Weight: 198.4 lb
  • Max Parallel Number: 32 pcs


SunGold Power Powerwall X Features

  • 10.24kWh total capacity (9.84kWh usable) for reliable energy backup or daily cycling.
  • Long-lasting, stable, and safe lithium iron phosphate chemistry.
  • Over 8,000 cycles at 80% depth of discharge (DoD), with a lifespan of up to 15 years.
  • Built-in protections against overcharge, over-discharge, overcurrent, temperature extremes, and short circuits.
  • Works with Growatt, Victron, Sol-Ark, Deye, EG4, SunGoldPower inverters, and more.
  • Touchscreen panel for real-time voltage, current, and state of charge information.
  • Supports RS485 and CAN protocols for seamless integration with energy systems.
  • Connect up to 32 units in parallel for a massive 328kWh capacity.
  • Space-saving vertical design ideal for homes and businesses.
  • Automatically warms battery for safe charging in cold climates.
  • No emissions, no need for regular maintenance.


Your Satisfaction with SunGold Power is Guaranteed:

  • 10-Year Limited Warranty
  • Lowest Price Guarantee

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Frequently Asked Questions

If your utility runs $250 per month, that is $3,000 per year you are paying for power you could generate yourself. A single Powerwall X at $1,974 stores 10.24kWh per cycle — enough to offset significant daily consumption when paired with solar. Over its 15-year lifespan at 8,000 cycles, the per-cycle cost drops well below what the utility charges per kWh. This is not a speculative investment. It is a calculable return that starts on day one of installation.
The Powerwall X supports both RS485 and CAN communication protocols, which means it integrates directly with inverters from Victron, Sol-Ark, EG4, Deye, Growatt, and SunGoldPower. If your inverter supports 51.2V lithium and either of those protocols, this battery will communicate state of charge, voltage, and current without adapters or workarounds. Not sure about your specific setup? Off Grid Vault offers a free system design consultation — tell us your inverter model and we will confirm compatibility before you buy.
That depends on your daily kWh consumption. A typical off-grid home using 25 kWh per day would need approximately three Powerwall X units for one day of autonomy, or six for two days with no sun. If you are grid-tied with backup, one unit covers essential loads like a refrigerator, lights, and well pump for 8 to 12 hours. The system scales to 32 parallel units, so you build exactly the capacity your situation requires. Contact Off Grid Vault for a free system design consultation sized to your actual consumption.
Off Grid Vault backs this battery with a 30-day performance guarantee. If it arrives damaged or does not perform to its rated specifications, we make it right — including uninstalled returns in original packaging. Beyond 30 days, the Powerwall X carries a 10-year limited warranty from SunGoldPower. As an authorized dealer, Off Grid Vault handles warranty claims directly — you do not get routed to a ticket queue or a third-party support line. We stand behind what we sell because we only carry equipment we would install on our own property.
Yes. The Powerwall X includes an automatic cold-weather warming function that pre-heats the cells before charging begins. LiFePO4 chemistry should not be charged below freezing without internal heating — doing so causes permanent lithium plating damage. This battery handles that automatically, so you do not have to monitor ambient temperature or manually intervene. For builders in Montana, the Dakotas, or northern climates, this feature is not optional — it is what separates a battery that works year-round from one that becomes useless for four months.
You can. Many DIY builders do. But a DIY LiFePO4 bank requires you to source cells, a BMS, busbars, enclosures, and fuses — then assemble and test it yourself. One bad cell or a BMS misconfiguration means your entire bank is compromised. The Powerwall X arrives factory-assembled with an integrated BMS, touchscreen monitoring, RS485/CAN communication, and cold-weather heating already configured. At $1,974 for 10.24kWh, the per-kWh cost is competitive with DIY builds — without the assembly risk, without the fire hazard of an improperly housed cell, and with a 10-year warranty backing the whole unit.
SKU: SG48200T Category: Brand:

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

Free System Design Consultation Our engineers size your system for your actual consumption — no guesswork, no incompatible components.
30-Day Performance Guarantee If it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days.
Free Shipping Ships free on all orders, including LTL freight on large systems — no surprise freight charges.

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About sungold power Wall Mount Batteries

sungold power is a trusted manufacturer of premium wall mount batteries. OffGridVault is an authorized dealer offering the full sungold power lineup with free delivery, price match guarantee, and expert support.

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