OUPES G5 Extra Battery

Sale price$1,100.00 Regular price$1,400.00
Save $300.00
  • Compatible with Guardian 6000
  • 4,608Wh Capacity
  • EV-grade LiFePO4 Battery
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Sale price$1,100.00 Regular price$1,400.00
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Fast shipping

Fast
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30-Days Money Back

30-Days
Money Back

5+1 Years Warranty

5+1
Warranty

Lifetime customer support

5 x 24H
support

More Than a Affordable Price. Service Included.

We don't lower prices by cutting service. We cut unnecessary markups — and invest in real support, local service, and long-term reliability.

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Fast shipping from West & East Coast warehouses.

30-Day Price Match

If the price drops within 30 days, we refund the difference.

Real Huamn Support (5x24H)

In-house support team — not outsourced, not AI bots.

30-Day Money Back

Changed your mind? Return it within 30 days. No questions asked.

US Local Repair Centers

Real repairs, handled locally.

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Earn points, redeem rewards, and get help from real users.

Made for Guardian 6000

Power up your Guardian 6000 your way. Use 120/240V AC for speed, solar panels for saving bills, or combine 120V AC and solar inputs for maximum flexibility. Always stay ready, whether at home, on the road, or outdoors.

Scalable Up to 41.4 kWh

With 8 x G5 batteries (41.4 kWh), power your home essentials from days to weeks long — keeping fridges cold, lights on, and devices charged through prolonged emergencies.

EV-grade LiFePO4 Battery

Equipped with an EV-grade LiFePO4 battery, the G5 offers 4,000 charge cycles, ensuring long-lasting, stable energy for up to 10 years.

Specs

G5 Extra Battery

BATTERY

  • Basic Capacity 4,608 Wh
  • Type LFP (LiFePO4)
  • Extra Battery Port Output 42.65V - 56.50V
  • Extra Battery Port Input 40.0V - 56.5V
  • Cycles > 4,000 cycles to 80%
  • BMS Yes

Input

  • AC Charging recharge when connected with main unit

GENERAL

  • Net Weight 80.02 lbs (36.3 kg)
  • Dimensions (L x W x D) 24.8*16.2*9.9in (629.7*412.5*251.9mm)
  • Working Temperature 0℃~40℃ (32℉~104℉)
  • Storage Temperature -20℃~60℃ (-4℉~140℉)
  • Certification UN38.3; MSDS
  • Warranty Up to 6 Years
    (Basic 5 years warranty.
    Register for 1 Extra Year Free!)
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In the Box

B5 Extra Battery x1

Extra Battery Cable x1

User Manual x1

Warranty Card x1

OUPES Warranty Card