---
product_id: 48310646
title: "Optima Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM"
brand: "optima"
price: "€ 840.85"
currency: EUR
in_stock: true
reviews_count: 9
category: "Optima"
url: https://www.desertcart.hr/products/48310646-optima-yellow-top-yt-s-4-2-8012-254-bci
store_origin: HR
region: Croatia
---

# 765A cold cranking amps 12V 55Ah powerhouse AGM tech for spill-proof durability Optima Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM

**Brand:** optima
**Price:** € 840.85
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your drive, amplify your lifestyle!

## Quick Answers

- **What is this?** Optima Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM by optima
- **How much does it cost?** € 840.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/48310646-optima-yellow-top-yt-s-4-2-8012-254-bci)

## Best For

- optima enthusiasts

## Why This Product

- Trusted optima brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Advanced AGM Technology:** Absorbent Glass Mat design guarantees spill-proof, vibration-resistant performance for long-lasting reliability.
- • **Secure & Safe Packaging:** Special transport packaging ensures your battery arrives intact and ready to perform from day one.
- • **Ready for Heavy-Duty Use:** Perfectly engineered to support multiple amplifiers and demanding electronics with consistent power output.
- • **Unmatched Power Delivery:** Delivers a robust 12V 55Ah capacity to keep your high-demand systems running flawlessly.
- • **Instant High-Current Boost:** 765A cold cranking amps ensure your vehicle or audio setup fires up without hesitation, even in tough conditions.

## Overview

The Optima Yellow Top YT S 4.2 is a 12V 55Ah AGM battery delivering 765 cold cranking amps, designed for high-performance automotive and audio applications. Its spill-proof, vibration-resistant construction ensures durability and reliability, making it a trusted choice for professionals and enthusiasts who demand consistent power and longevity.

## Description

BATTERIE OPTIMA YELLOW 12V 55AH 765A

Review: Excellent Quality - I have used this Optima Yellow top for a number of years for up to 4 amplifiers audio systems with no trouble.
Review: Optima Yellow Top - I bought this battery as placement for previous 7yr old - well used worn out Optima. Great product - have used several now.

## Features

- Optima YellowTop Batteries 12V 55Ah
- The battery is delivered in special packaging to ensure safe transport.
- When removing the transport locks (plugs), deflagrations are possible. The container may be under pressure. Therefore, always remove the fuses with the opening away from the body
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00RZ4Y9UQ |
| Batteries | 1 12V batteries required. (included) |
| Batteries included? | Yes |
| Best Sellers Rank | 134,506 in Automotive ( See Top 100 in Automotive ) 454 in Car Batteries |
| Brand | Optima |
| Color | Standard |
| Customer Reviews | 4.4 4.4 out of 5 stars (187) |
| Date First Available | 23 May 2012 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Department | Unisex-Adult |
| Included components | Components included in description |
| Is discontinued by manufacturer | No |
| Item model number | 8122540008882 |
| Manufacturer | Optima |
| Material type | Varios |
| Number of items | 1 |
| Product Dimensions | 31.5 x 22.5 x 22.5 cm; 14 kg |
| Resistance | 14.46 Milliohms |
| Size | Normal |
| Weight | 5 Kilograms |

## Product Details

- **Battery capacity:** 55 Amp Hours
- **Battery cell composition:** Lead-Acid, AGM
- **Brand:** Optima
- **Item weight:** 14 Kilograms
- **Number of cells:** 6
- **Product dimensions:** 25.4D x 17.5W x 20H centimetres
- **Resistance:** 14.46 Milliohms
- **Size:** Normal
- **Vehicle service type:** Passenger Car
- **Voltage:** 12 Volts

## Images

![Optima Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM - Image 1](https://m.media-amazon.com/images/I/61ceMnXBjNL.jpg)
![Optima Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM - Image 2](https://m.media-amazon.com/images/I/21VYBFuOJdL.jpg)
![Optima Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM - Image 3](https://m.media-amazon.com/images/I/11nM8WP29qL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent Quality
*by B***P on 25 October 2025*

I have used this Optima Yellow top for a number of years for up to 4 amplifiers audio systems with no trouble.

### ⭐⭐⭐⭐⭐ Optima Yellow Top
*by M***. on 30 May 2014*

I bought this battery as placement for previous 7yr old - well used worn out Optima. Great product - have used several now.

### ⭐⭐⭐⭐⭐ Five Stars
*by J***E on 26 April 2017*

Dose every thing they says it should!

## Frequently Bought Together

- Optima Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM
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**Shop now:** [https://www.desertcart.hr/products/48310646-optima-yellow-top-yt-s-4-2-8012-254-bci](https://www.desertcart.hr/products/48310646-optima-yellow-top-yt-s-4-2-8012-254-bci)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-28*