๐ Free โ takes 60 seconds
Is this battery
actually healthy?
Fill in what you know. Get an estimated signal before you inspect or negotiate.
Fast fill
Paste the range story instead of filling fields.
Enter original range when bought, and what it shows on a full charge today
When bought
Today (full charge)
What each signal means
A
Excellent ยท 88โ100%
Like new. Minimal degradation.
B
Good ยท 76โ87%
Normal wear. Still great value.
C
Fair ยท 62โ75%
Noticeable loss. Negotiate price.
D
Poor ยท 48โ61%
Significant degradation. Inspect.
F
Replace ยท < 48%
Battery needs replacement soon.
Why this matters
๐ฐBattery is 40โ60% of an EV's total value
๐Seller claims need range or OBD evidence
๐Weak vs strong battery evidence can move resale by lakhs
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