---
title: "BCI Group 65 equivalent: Group 65, 65-"
description: "The BCI Group 65 is a 12 V lead-acid cell, also sold as Group 65, 65-. Full equivalents, what does not substitute, and where it is used."
url: https://atoneplace.net/battery/bci-65/
site: "At One Place"
---

# BCI Group 65 battery

**What replaces a BCI Group 65: Group 65, 65-**

12 V lead-acid, 306 × 192 × 192 mm

The BCI Group 65 is a rechargeable 12 V lead-acid prismatic. The codes below are the same physical cell sold under different manufacturer names, and any of them will fit.

## Specification

- **IEC designation:** BCI Group 65
- **Nominal voltage:** 12 V
- **Chemistry:** Lead-acid
- **Size:** 306 × 192 × 192 mm
- **Rechargeable:** Yes

## Codes that mean the same battery

*Different manufacturers, one physical battery. Voltage, chemistry and dimensions all match.*

| Code | Fits? |
| --- | --- |
| Group 65 | Yes — same cell |
| 65- | Yes — same cell |

## Codes that look close but are not

| Code | Why it is not a substitute |
| --- | --- |
| Group 78 | Similar capacity but side terminals instead of top posts, and a different box. Both are common on American vehicles and they are not interchangeable. |
| Group 27 | Same 306 mm length but narrower and taller. Check the height clearance before assuming. |

## Where it turns up

- Ford F-150, Expedition and Explorer
- Lincoln Navigator
- Mercury and older Ford sedans
- Larger American SUVs and pickups

## Common questions

### What is equivalent to a BCI Group 65?

Group 65, 65- — all the same 12 V cell under different manufacturer codes.

### Can I use a Group 78 instead of a BCI Group 65?

Similar capacity but side terminals instead of top posts, and a different box. Both are common on American vehicles and they are not interchangeable.

### Is the BCI Group 65 rechargeable?

Yes. Use a charger made for its chemistry and never substitute a primary cell of the same size.

## Related pages

- [6LR61 battery](https://atoneplace.net/battery/9v/)
- [BCI Group 48 battery](https://atoneplace.net/battery/bci-48/)
- [BCI Group 35 battery](https://atoneplace.net/battery/bci-35/)
- [BCI Group 51R battery](https://atoneplace.net/battery/bci-51r/)
- [BCI Group 24F battery](https://atoneplace.net/battery/bci-24f/)
- [BCI Group 47 battery](https://atoneplace.net/battery/bci-47/)
- [BCI Group 27 battery](https://atoneplace.net/battery/bci-27/)
- [BCI Group 49 battery](https://atoneplace.net/battery/bci-49/)
- [BCI Group 24 battery](https://atoneplace.net/battery/bci-24/)
- [BCI Group 34 battery](https://atoneplace.net/battery/bci-34/)
- [BCI Group 78 battery](https://atoneplace.net/battery/bci-78/)
- [CR-P2 battery](https://atoneplace.net/battery/crp2/)

## Sources

- Official vendor product documentation — At One Place (/about/)