---
product_id: 48310646
title: "Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM"
brand: "optima"
price: "$1664.34"
currency: USD
in_stock: true
reviews_count: 4
category: "Optima"
url: https://www.desertcart.ec/products/48310646-yellow-top-yt-s-4-2-8012-254-bci-d34
store_origin: EC
region: Ecuador
---

# 765A cold cranking amps 12V 55Ah AGM power 2-year manufacturer warranty Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM

**Brand:** optima
**Price:** $1664.34
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your drive, amplify your lifestyle!

## Quick Answers

- **What is this?** Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM by optima
- **How much does it cost?** $1664.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/48310646-yellow-top-yt-s-4-2-8012-254-bci-d34)

## 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

- • **Trusted by Enthusiasts:** Highly rated with 4.4 stars from 184 users who demand premium quality.
- • **Advanced AGM Technology:** Spill-proof, vibration-resistant design built for longevity and safety.
- • **Ready for Heavy-Duty Use:** Perfect for passenger cars powering multiple amplifiers or demanding electronics.
- • **Instant High-Current Delivery:** 765A cold cranking amps ensure your vehicle and audio systems fire up without hesitation.
- • **Unmatched Power & Reliability:** Delivers a robust 12V 55Ah capacity for consistent performance under pressure.

## Overview

The Optima Yellow Top YT S 4.2 is a 12V 55Ah AGM lead-acid battery delivering 765 cold cranking amps, designed for passenger cars requiring reliable, high-performance power. Featuring advanced AGM technology, it offers spill-proof durability and vibration resistance, backed by a 2-year manufacturer warranty and strong user acclaim.

## 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

- Warning:To be used under the direct supervision of an adult
- 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 |
| Battery Type | Lead-Acid, AGM |
| Battery cell composition | Lead-Acid, AGM |
| Best Sellers Rank | 70,141 in Automotive ( See Top 100 in Automotive ) 245 in Car Batteries |
| Brand | Optima |
| Brand Name | Optima |
| Compatible with Vehicle Type | Passenger Car |
| Customer Reviews | 4.4 out of 5 stars 184 Reviews |
| Global Trade Identification Number | 04006291056357 |
| Included Components | Components included in description |
| Item Dimensions D x W x H | 25.4D x 17.5W x 20H centimetres |
| Item Type Name | PL474884 |
| Item Weight | 14 Kilograms |
| Item weight | 14 Kilograms |
| Manufacturer | Optima |
| Manufacturer Part Number | 8122540008882 |
| Manufacturer Warranty Description | 2 year manufacturer |
| Number Of Cells | 6 |
| Resistance | 14.46 Milliohms |
| Size | Normal |
| Vehicle service type | Passenger Car |
| Voltage | 12 Volts |

## 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

![Yellow Top YT S 4.2 (8012-254) (BCI D34) YTS4.2 AGM - Image 1](https://m.media-amazon.com/images/I/61ceMnXBjNL.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.ec/products/48310646-yellow-top-yt-s-4-2-8012-254-bci-d34](https://www.desertcart.ec/products/48310646-yellow-top-yt-s-4-2-8012-254-bci-d34)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-12*