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 › Sungold Power
SunGold Power
SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery

SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery

Best price now

$1,499.00at Fire HabitatChecked 46 min ago

50% under what the other stores charge

Compared across 12 stores. Prices are checked against each store and labelled with when.

Visit Fire Habitat

Ask our agent about this product

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

Price facts

  • Lowest price today: $1,499.00 at Fire Habitat (checked Nov 11, 2026).
  • Checked at 12 stores.

Our take on the SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery

The SunGold Power PowerMax is a 51.2V 314Ah LiFePO4 energy storage battery, about 16 kWh, built for outdoor and backup use. It is waterproof and dustproof, charges from solar, and carries UL9540A and UL1973 certification. Charge and discharge current reach 190A, with a 220A peak charge current. It suits whole-home backup and off-grid solar setups where a large, weather-rated battery bank is needed. At 271 lbs it is a fixed installation, not a portable unit, and it competes with rack-style server batteries on capacity and certification rather than on portability.

Best forWhole-home backup during outagesOff-grid or solar storage banksOutdoor and shed installationsOwners wanting a large single battery
Pros
  • Large 314Ah capacity at 51.2V
  • LiFePO4 chemistry for long cycle life
  • Waterproof and dustproof outdoor housing
  • UL9540A and UL1973 certified
  • High 190A charge and discharge current
Cons
  • Very heavy at 271 lbs
  • Bulky footprint needs space and planning
  • Not portable; needs a permanent install
  • Peak 220A charge current is only short-term

SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery prices at every store

  • Fire HabitatNew

    In stock

    $1,499.00Checked 46 min ago
    Visit Fire Habitat
  • Sungoldpower OfficialNew

    In stock

    $2,696.00Checked 46 min ago
    Visit Sungoldpower Official
  • Off-Grid SourceNew

    In stock

    $2,696.00Checked 46 min ago
    Visit Off-Grid Source
  • Solar Guys ProNew

    In stock

    $2,696.00Checked 46 min ago
    Visit Solar Guys Pro
  • Eco Solar KitsNew

    In stock

    $2,696.00Checked 46 min ago
    Visit Eco Solar Kits
  • ShopSolar.comNew

    In stock

    $2,995.00Checked 46 min ago
    Visit ShopSolar.com
  • Outbound PowerNew

    In stock

    $2,995.00Checked 46 min ago
    Visit Outbound Power
  • Generation Eco StoreNew

    In stock

    $2,995.00Checked 46 min ago
    Visit Generation Eco Store
  • Green Vista LivingNew

    In stock

    $2,995.00Checked 46 min ago
    Visit Green Vista Living
  • SolarTownNew

    In stock

    $3,030.90Checked 46 min ago
    Visit SolarTown
  • Ben's Discount SupplyNew

    Out of stock

    $2,696.00Checked 46 min ago
    Visit Ben's Discount Supply
  • SolarisNew

    Out of stock

    $3,030.90Checked 46 min ago
    Visit Solaris

SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery price history

Lowest price we've seen: $1,499.00 on Nov 11 at Fire Habitat. Tracked across 12 stores since Nov 11.

About the SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery

The SunGold Power PowerMax is an outdoor energy storage battery with a 51.2V, 314Ah LiFePO4 (lithium iron phosphate) battery. It is built to be waterproof and dustproof for outdoor use.

It can be charged from solar. It supports a peak charging current of 220A (3S), a charge current of 190A and a discharge current of 190A. It is meant for power outages and emergencies.

Battery type
LiFePO4
Nominal voltage
51.2V
Capacity
314Ah
Charging
Solar
Peak charging current
220A (3S)
Charge current
190A
Discharge current
190A
Max. charging voltage
57.6V
Over discharge voltage
44.8V
Protection
Waterproof, dustproof
Dimensions
41.3 x 18.1 x 10.7 inches
Weight
271.2 lbs
Certifications
UL9540A, UL1973
Use
Outdoor, power outages, emergencies

Specifications

Charging Technology
Solar
Maximum Output
Peak charging current 220A (3S), Charge 190A, Discharge 190A
Output Voltage
Over discharge voltage 44.8V, 51.2V, Max. charging voltage 57.6V
Battery Type
LiFePO4 Battery
Dimensions
41.3 x 18.1 x 10.7 inches
Material
Waterproof
Weight
271.2 lbs

Questions and answers

How much energy does this battery store?
At 51.2V and 314Ah it holds roughly 16 kWh, enough for a large home backup bank or a sizeable off-grid solar array.
Can it be installed outdoors?
Yes. The housing is waterproof and dustproof and the battery is marketed for outdoor use, so it can sit outside a shed or on an exterior wall.
What chemistry does it use?
It is a LiFePO4 (lithium iron phosphate) battery, a chemistry known for thermal stability and long cycle life.
What certifications does it carry?
It is listed to UL9540A and UL1973, the standards covering energy storage safety and stationary battery systems.
How fast can it charge and discharge?
Charge and discharge current is rated at 190A, with a peak charging current of 220A for short bursts. Maximum charging voltage is 57.6V.
Can I move it myself?
It weighs 271.2 lbs and measures about 41 x 18 x 11 inches, so plan for two people or equipment and a permanent mounting spot.
Where is the SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery cheapest?
At Fire Habitat, for $1,499.00, 50% under what the other stores charge, as of our latest check.
Where can I buy the SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery?
12 stores we checked sell it, including Fire Habitat, Sungoldpower Official, Off-Grid Source, Solar Guys Pro, Eco Solar Kits.

Stores we've priced the SunGold Power PowerMax 51.2V 314Ah Outdoor Energy Storage Battery at

  • Fire Habitat deals and prices
  • Green Vista Living deals and prices

More from Sungold Power

  • S
    Sungold Power 560 Watt Bifacial PERC Solar Panel 14pcs
    Sungold Power 560 Watt Bifacial PERC Solar Panel 14pcs
All Sungold Power deals and products →
Design Highlights
Waterproof, Dustproof, Outdoor
Solar Charging
Yes
Waterproof
Yes
Environmental Certification
UL9540A, UL1973
Suitable Occasion
Power outages, Emergencies