If your Honda CR-V cranks slowly or will not start, the 12-volt battery is the usual suspect. Most CR-Vs use the compact Group 51R battery shared with other Hondas. Here is the group size, cost, and replacement steps.
| Model / Years | Group size | Typical CCA | Part cost |
|---|---|---|---|
| CR-V 2012-2025 | Group 51R | 400-500 CCA | $130-$220 |
| CR-V 2007-2011 | Group 51R | 410-500 CCA | $130-$210 |
| CR-V Hybrid 12V | Group 51R | 400-500 CCA | $140-$230 |
The Honda CR-V uses a Group 51R battery across most model years. The R designates the reversed terminal layout, so buy the 51R version specifically. This compact battery is easy to source at any parts store.
Around 400 to 500 cold cranking amps suits the CR-V's electrical needs.
A Group 51R battery generally costs about 130 to 220 dollars for the part. With shop installation, budget roughly 180 to 300 dollars. Many parts stores install this accessible battery for free.
With the vehicle off, disconnect the negative terminal first, then the positive. Remove the hold-down clamp, lift out the old battery, and set the new one in the same orientation.
Reconnect positive first, then negative, secure the clamp, and reset the clock. Re-initialize the windows if one-touch stops working after the power loss.
Look for slow cranking, dim lights, a clicking sound at the key, and battery or charging warning lights. A battery four or more years old with these symptoms is likely near the end of its life.
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