Power Tool Battery Pricing
Analysis of 151,382 power tool battery listings to determine current market value.
What you'll usually pay
💡 Buying used saves about 21% here.
👉 In short easy summary
The best value is found in unbranded options and lower-voltage units, which trade significantly below the market median. Premium value is concentrated in DEWALT batteries (+25%) and 56 V systems (+52%).
💚 Best value for your money
Price by brand
Why? Prices vary by brand prestige and ecosystem, ranging from Craftsman (44.98) to DEWALT (78.72).
Price by battery capacity
Why? Higher capacity generally increases cost, though 5 Ah is the most expensive at 76.64 compared to 2 Ah at 44.25.
Price by voltage
Why? Higher voltage systems command a premium, with 56 V at 95.49 and 19.2 V at 35.
Price by battery technology
Why? Modern Lithium-Ion (67.49) is significantly more expensive than legacy XRP (30.74) technology.
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Common questions
What is the price difference between new and used power tool batteries?
New batteries have a median price of 69.49, while used batteries have a median of 54.99.
Which brand is the most expensive on the secondary market?
DEWALT is the most expensive brand with a median price of 78.72, which is 25% above the market median.
How does battery technology affect the price?
Lithium-Ion batteries are the most expensive at 67.49, whereas XRP technology is the cheapest at 30.74.
How we got these numbers
Worked out from 200 live eBay listings (price range $25–$148, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 21, 2026.