---
product_id: 117091647
title: "Optima Red Top Battery RTS 2.1 (8010-355) RTS2.1 AGM"
brand: "optima"
price: "€ 458.52"
currency: EUR
in_stock: true
reviews_count: 1
category: "Optima"
url: https://www.desertcart.hr/products/117091647-optima-red-top-battery-rts-2-1-8010-355-rts2
store_origin: HR
region: Croatia
---

# 815 CCA Instant Start 6V Power Boost 2-Year Warranty Shield Optima Red Top Battery RTS 2.1 (8010-355) RTS2.1 AGM

**Brand:** optima
**Price:** € 458.52
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your passion with Optima Red Top – where classic meets cutting-edge!

## Quick Answers

- **What is this?** Optima Red Top Battery RTS 2.1 (8010-355) RTS2.1 AGM by optima
- **How much does it cost?** € 458.52 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/117091647-optima-red-top-battery-rts-2-1-8010-355-rts2)

## 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

- • **Fit for Your Ride:** Vehicle-specific fit guarantees seamless installation and optimal performance.
- • **Peace of Mind Included:** Backed by a 2-year manufacturer warranty for long-lasting reliability.
- • **Classic Power, Modern Tech:** 6V AGM design delivers reliable, maintenance-free performance for vintage and specialty vehicles.
- • **Instant Ignition Confidence:** 815 Cold Cranking Amps ensure your engine fires up fast, even in chilly conditions.
- • **Durability Meets Dependability:** Advanced AGM cell composition resists vibration and extends battery life.

## Overview

The Optima Red Top RTS 2.1 is a 6-volt AGM lead-acid battery designed specifically for passenger cars, offering 815 cold cranking amps for reliable starts. With a compact size of 252x90x206 mm and weighing 8.9 kg, it features a vibration-resistant design and a 2-year warranty, making it the perfect power solution for classic and specialty vehicles.

## Description

OPTIMA RED TOP STARTER BATTERY (8010-355)

Review: Great 6v for my classic car - Brilliant 6v battery for my classic car!

## Features

- 6V
- 50AH
- 815 CCA
- 2 years warranty
- LH +

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00C7SO1HG |
| Automotive Fit Type | Vehicle Specific Fit |
| Battery Type | Lead-Acid, AGM |
| Battery cell composition | Lead-Acid, AGM |
| Best Sellers Rank | 129,725 in Automotive ( See Top 100 in Automotive ) 380 in Car Batteries |
| Brand | Optima |
| Brand Name | Optima |
| Compatible with Vehicle Type | Passenger Car |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Included Components | Battery |
| Item Type Name | Battery |
| Item Weight | 8.9 Kilograms |
| Item weight | 8.9 Kilograms |
| Manufacturer | Optima |
| Manufacturer Part Number | RTS 2.1 |
| Manufacturer Warranty Description | 2 Year |
| Model Number | RTS 2.1 |
| Number Of Cells | 6 |
| Resistance | 14.72 Milliohms |
| Size | 252 x 90 x 206 millimeters |
| Terminal | AT Terminal |
| Vehicle service type | Passenger Car |
| Voltage | 6 Volts |

## Product Details

- **Automotive Fit Type:** Vehicle Specific Fit
- **Battery cell composition:** Lead-Acid, AGM
- **Brand:** Optima
- **Item weight:** 8.9 Kilograms
- **Number of cells:** 6
- **Resistance:** 14.72 Milliohms
- **Size:** 252 x 90 x 206 millimeters
- **Terminal:** AT Terminal
- **Vehicle service type:** Passenger Car
- **Voltage:** 6 Volts

## Images

![Optima Red Top Battery RTS 2.1 (8010-355) RTS2.1 AGM - Image 1](https://m.media-amazon.com/images/I/61qnaenZl2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great 6v for my classic car
*by J***N on 15 February 2026*

Brilliant 6v battery for my classic car!

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- Optima Red Top Battery RTS 2.1 (8010-355) RTS2.1 AGM
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**Shop now:** [https://www.desertcart.hr/products/117091647-optima-red-top-battery-rts-2-1-8010-355-rts2](https://www.desertcart.hr/products/117091647-optima-red-top-battery-rts-2-1-8010-355-rts2)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-14*