Deep cycle · AGM
OPTIMA YELLOWTOP YT S 4,2
Manufacturer part number 812 254 000 888 2. Specifications as published by OPTIMA.
DocumentedWhat are the specifications of the OPTIMA 812 254 000 888 2?
The OPTIMA YELLOWTOP YT S 4,2 (part number 812 254 000 888 2) is a 12 V AGM battery (deep cycle). The manufacturer rates it at 55 Ah, 765 A CCA (EN), 120 min reserve capacity. Published dimensions: 245 × 172 × 200 mm. Weight: 19.5 kg. Values taken from the manufacturer document cited below (checked 2026-11-08).
- Battery
- 812 254 000 888 2
- BCI group
- D34
- EN / DIN / JIS code
- n/p
- Reserve capacity
- 120 min
- CA
- n/p
- Dimensions (L × W × H)
- 245 × 172 × 200 mm
9.65 × 6.77 × 7.87 in - Approx. weight
- 19.5 kg (43 lb)
- Polarity
- n/p
- Terminal type
- n/p
“n/p” = not published in the manufacturer document we cite. We never fill missing fields with assumptions.
Source and verification
- Source
- OPTIMA specification sheet (Johnson Controls / Clarios)
- Source document
- OPTIMA YellowTOP/RedTOP/BlueTOP specification sheet (Johnson Controls), footer code '12-08-21 15en'
- Verified
Data notes (conflicts, conversions, missing fields)
EU-market part number from an older OPTIMA/Johnson Controls specification sheet (footer 12-08-21); current US products and part numbers may differ. Line described as 'Deep cycle battery for extreme applications'. Dimensions: length_mm/width_mm = base values, height_mm = height including terminals; top cover L 254, W 175; height excl. terminals 173. Capacity labelled '(EN) Ah' with no discharge rate stated. CCA labelled '(EN) CCA'. Reserve capacity labelled '(BCI) Min'. Terminal type and polarity not stated. Sheet is an older Johnson Controls document (footer '12-08-21'); values identical in companion sheet https://uk.optimabatteries.com/download_file/view/7365/2086 (footer '12-08-21 00en'). US part number (e.g. 8002-002) not on this sheet. Technology: sheet cites SPIRALCELL construction and 'absorbent glass mat separator'.
This page describes the battery only. It does not state which vehicles it fits: check the vehicle manufacturer’s specification and the label of the battery fitted.