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Champion Power Equipment 1638-Wh Lithium Ion Expansion Battery
Key item features
- Increase Run Time: Connect this additional battery and add 1638Wh to your power station
- Efficient: Li-ion advanced battery technology delivers lasting fade-free power plus you don’t need gas, there’s no engine, and no emissions
- Versatile: Charge your battery to 80% in 2.8 hours AC or solar charge time, or use AC and solar power together and get a quick 1.4 hour charge time
- Expansion Options: Pair up to 10 expansion batteries per power station to dramatically increase run time
- Save Space: Expansion batteries may be stacked on top of power stations or each other to save space (FREE stack adapter required, call customer service to order)
What's included:
- AC Charge Cable
- AC/DC Charging Module
- Battery Connection Cable
- Easy Connect DC Solar Charge Harness
Specs
- Volts120 V
- Battery capacity1638 Wh
- CompatibilityChampion
- Compatible models100593 and 100594
- BrandChampion Power Equipment
- Pack quantity1
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About this item
Product details
- Increase Run Time: Connect this additional battery and add 1638Wh to your power station
- Efficient: Li-ion advanced battery technology delivers lasting fade-free power plus you don’t need gas, there’s no engine, and no emissions
- Versatile: Charge your battery to 80% in 2.8 hours AC or solar charge time, or use AC and solar power together and get a quick 1.4 hour charge time
- Expansion Options: Pair up to 10 expansion batteries per power station to dramatically increase run time
- Save Space: Expansion batteries may be stacked on top of power stations or each other to save space (FREE stack adapter required, call customer service to order)
What's included:
- AC Charge Cable
- AC/DC Charging Module
- Battery Connection Cable
- Easy Connect DC Solar Charge Harness
Specifications
Volts
Battery capacity
Compatibility
Compatible models
Warranty
Warranty information
Warranty url
Warnings
Ingestion Hazard
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Customer ratings & reviews
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Showing 1-3 of 6 reviews
Excellent product!
[This review was collected as part of a promotion.] I bought this champion expansion battery July 25, 2025. This battery is a great product and does its job by giving more battery life to my champion power station.
Game Changer
[This review was collected as part of a promotion.] This is a game changer for a remote cabin! It has the ability to add units to meet your power needs and charge other equipment! So happy I found this product! Now I don't need to run a generator all the time and waste fuel!
Increased the capcity of my power station by 50%!
We use the battery generator and new expansion pack for backup power since our grid isn't always reliable. Recently, we have begun taking it to trade shows where we are vendors at. In the past, we have to pay $50-$100 per event for electricity! Now, we can put this under our table skirt and put that money back in our pockets! No noise, no gasoline or fuel and plenty of reliable power!



