- Amazon
- Walmart
- Home Depot
- Lowe's
- Batteries Plus Bulbs
- Ace Hardware
- True Value
- AutoZone
- Advance Auto Parts
- O'Reilly Auto Parts
- NAPA Auto Parts
- Carquest Auto Parts
- Pep Boys
- Discount Tire
- Sears
- Kmart
You may also be able to find the battery directly from the Challenge website or by contacting the company's customer service department.