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If you are looking to buy a "used" battery, you actually have three distinct paths ranging from cheapest (but riskiest) to the most balanced:

: Buying a complete pack pulled straight out of a wrecked Prius. This is the cheapest route but offers the least guarantee on how long it will last.

: These are used battery packs that professional companies have opened up, tested, balanced, and rebuilt with good working used cells. This is usually the best balance of cost and reliability.

💡 Direct Answer: Your Best Used & Low-Cost Battery Options

Replacing a Toyota Prius hybrid traction battery is a smart way to keep a reliable car on the road without paying dealership prices. If your dashboard is displaying the "Red Triangle of Death" or your fuel economy has plummeted, it is time to look at your options.