At One Place

BCI Group 27 battery

What replaces a BCI Group 27
Group 27, 27-, Group 27F (reversed terminals)
12 V lead-acid, 306 × 173 × 225 mm

The BCI Group 27 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 27
Nominal voltage
12 V
Chemistry
Lead-acid
Size
306 × 173 × 225 mm
Rechargeable
Yes

Codes that mean the same battery

Different manufacturers, one physical battery. Voltage, chemistry and dimensions all match.
Code Fits?
Group 27 Yes — same cell
27- Yes — same cell
Group 27F (reversed terminals) Yes — same cell

Codes that look close but are not

Code Why it is not a substitute
Group 24 Around 46 mm shorter. A 24 in a 27 tray slides; a 27 will not fit a 24 tray at all.
Group 31 Taller and heavier again, with stud terminals rather than posts on many models.

Where it turns up

  • Boat house and trolling motor banks
  • RV and camper van leisure batteries
  • Off-grid solar storage
  • Larger trucks and commercial vehicles

Common questions

What is equivalent to a BCI Group 27?
Group 27, 27-, Group 27F (reversed terminals) — all the same 12 V cell under different manufacturer codes.
Can I use a Group 24 instead of a BCI Group 27?
Around 46 mm shorter. A 24 in a 27 tray slides; a 27 will not fit a 24 tray at all.
Is the BCI Group 27 rechargeable?
Yes. Use a charger made for its chemistry and never substitute a primary cell of the same size.

Related pages

Sources

  1. Official vendor product documentation — At One Place

How these figures are compiled and checked