---
product_id: 204244488
title: "Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC"
brand: "upstart battery"
price: "C$14245"
currency: NIO
in_stock: false
reviews_count: 4
url: https://www.desertcart.ni/products/204244488-replacement-for-ytx20l-bs-battery-12v-18ah-sla-compatible-2010
store_origin: NI
region: Nicaragua
---

# 18Ah High Capacity 12V Power Output Cold-Climate Toughness Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC

**Brand:** upstart battery
**Price:** C$14245
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your ride, conquer every terrain—don’t get left in the cold!

## Quick Answers

- **What is this?** Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC by upstart battery
- **How much does it cost?** C$14245 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/204244488-replacement-for-ytx20l-bs-battery-12v-18ah-sla-compatible-2010)

## Best For

- upstart battery enthusiasts

## Why This Product

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

## Key Features

- • **One-Year Warranty Assurance:** Confidence backed by UpStart Battery’s dedicated warranty support.
- • **Wide Compatibility Spectrum:** Seamlessly fits popular models like Triumph Thunderbird, Polaris RZR, Yamaha Nytro, and more.
- • **Optimized for Powersports Performance:** Designed specifically for scooters, ATVs, UTVs, and snowmobiles demanding peak reliability.
- • **Maintenance-Free Sealed Lead Acid Tech:** No spills, no fuss—just consistent, dependable power when you need it most.
- • **Reliable Ignition in Extreme Conditions:** Engineered to power through harsh winters and rugged terrains without fail.

## Overview

This UpStart Battery replacement for YTX20L-BS delivers 12 volts and 18Ah capacity using sealed lead acid technology, ensuring reliable starts in extreme climates. Compatible with a broad range of powersports vehicles including 2010 Triumph Thunderbird 1600 CC, 2014 Polaris RZR 800 CC, and 2006 Yamaha Nytro 973 CC, it offers maintenance-free performance backed by a one-year warranty.

## Description

Please note: This is an UpStart Battery Brand replacement part, not an OEM product. This product is not affiliated with any OEM brands and is not covered under any warranties offered by the original manufacturers. Any warranties for this product are offered solely by UpStart Battery. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names and logos are registered trademarks of their respective owners.Battery Specifications: Chemistry: Sealed Lead Acid Output Volts: 12v Capacity: 18Ah Brand: UpStart BatteryThis Product works in or replaces the following models: 1973 Yamaha Tx750 1974 Yamaha Tx750 1984 Honda Vf1100s V65 Sabre 1985 Honda Vf1100s V65 Sabre 1997 Buell M2 Cyclone 1998 Buell M2 Cyclone 1999 Buell M2 Cyclone 1999 Excelsior Henderson Super X 1999 Yamaha Xv1600 Road Star 2000 Buell M2 Cyclone 2000 Excelsior Henderson Super X 2000 Victory V92sc Sport Cruiser 2000 Yamaha Xv1600 Road Star 2001 Buell M2 Cyclone 2001 Victory V92sc Sport Cruiser 2002 Buell M2 Cyclone 2003 Honda Goldwing Gl1800 2005 Triumph Rocket Iii 2005 Yamaha Rs Venture 2006 Honda Goldwing Gl1800 2006 Triumph Rocket Iii 2006 Yamaha Nytro 2006 Yamaha Rs Venture 2007 Honda Gl1800 Goldwing 2007 Triumph Rocket Iii 2007 Yamaha Nytro 2007 Yamaha Rs Venture 2008 Honda Goldwing Gl1800 2008 Polaris Rzr 2008 Triumph Rocket Iii 2008 Yamaha Fx Nytro 2008 Yamaha Rs Venture 2009 Polaris Rzr 2009 Triumph Rocket Iii 2009 Yamaha Fx Nytro 2009 Yamaha Venture Rs 2010 Polaris Rzr 2010 Triumph Rocket Iii 2010 Triumph Thunderbird 2010 Yamaha Fx Nytro 2010 Yamaha Rs Venture 2011 Polaris Rzr 2011 Triumph Rocket Iii 2011 Triumph Thunderbird and more..

Review: WOULD NOT CHARGE - after receving battery was put on an all-night charge for peak voltage.It was charged with a Schumacher charger on a 2-amp charge/maintain circuit.Next day showed less than 9v and wouldnt go higher. I have yet to hear back from seller abt this.
Review: Batt was good but took a month to get it. - Battery was good but I ordered it Dec 1 and it came on the31st of dec.

## Features

- 𝐑𝐄𝐋𝐈𝐀𝐁𝐋𝐄 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 – Designed to perform in harsh climates, this ATV and snowmobile battery ensures dependable ignition, making it ideal for Canadian winters and tough terrains. The YTX20LBS is built to handle extreme conditions. Perfect replacement for Yamaha Grizzly, Polaris RZR, and Ski-Doo Summit.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0815CCHL6 |
| Battery Type | Sealed Lead Acid |
| Best Sellers Rank | #323,629 in Automotive ( See Top 100 in Automotive ) #618 in Powersports Batteries |
| Brand Name | Upstart Battery |
| Compatible with Vehicle Type | Scooter |
| Customer Reviews | 3.9 out of 5 stars 373 Reviews |
| Manufacturer | UpStart Battery |
| Manufacturer Part Number | UB-YTX20L-BS |
| Manufacturer Warranty Description | One Year Warranty |
| Terminal | F1 Terminal |
| UPC | 628586040700 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |

## Product Details

- **Brand:** Upstart Battery
- **Vehicle Service Type:** Scooter
- **Voltage:** 12 Volts
- **Battery Cell Composition:** Sealed Lead Acid
- **Terminal:** F1 Terminal
- **Manufacturer:** UpStart Battery
- **UPC:** 628586040700

## Images

![Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC - Image 1](https://m.media-amazon.com/images/I/61BhRwtLCBL.jpg)
![Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC - Image 2](https://m.media-amazon.com/images/I/61VLmeeuebL.jpg)
![Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC - Image 3](https://m.media-amazon.com/images/I/81TsY-ddA-L.jpg)
![Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC - Image 4](https://m.media-amazon.com/images/I/81UFbzGq3qL.jpg)
![Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC - Image 5](https://m.media-amazon.com/images/I/81gUskWuiGL.jpg)

## Customer Reviews

### ⭐ WOULD NOT CHARGE
*by D***R on December 5, 2023*

after receving battery was put on an all-night charge for peak voltage.It was charged with a Schumacher charger on a 2-amp charge/maintain circuit.Next day showed less than 9v and wouldnt go higher. I have yet to hear back from seller abt this.

### ⭐⭐⭐ Batt was good but took a month to get it.
*by K***R on January 3, 2026*

Battery was good but I ordered it Dec 1 and it came on the31st of dec.

### ⭐⭐⭐⭐⭐ Nice price and fit nicely with my 4 wheeler.
*by R***. on November 19, 2021*

Nice price and fit nicely with my 4 wheeler.

## Frequently Bought Together

- Replacement for YTX20L-BS Battery 12V 18AH SLA - Compatible with 2010 Triumph Thunderbird 1600 CC Motorcycle, 2014 Polaris RZR 800 CC UTV, 2006 Yamaha Nytro 973 CC Snowmobile, 2008 Polaris RZR 800 CC
- YTX14-BS Battery - Motorcycle Battery, ATV Battery 12V 12AH, UTV, 4 Wheeler, Snowmobile, Powersports Batteries - Compatible with Honda Rancher 350, Buell Blast, Yamaha - Sealed Lead Acid 12 Volt AGM
- Replacement for YIX30L-BS Battery 12V 30AH SLA - Compatible with Moto Guzzi V7, 2014 Polaris Ranger, 2018 Polaris Rzr, 2010 Polaris Ranger, 2011 Polaris Ranger, 2015 Polaris Rzr, 2012 Polaris Ranger

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**Shop now:** [https://www.desertcart.ni/products/204244488-replacement-for-ytx20l-bs-battery-12v-18ah-sla-compatible-2010](https://www.desertcart.ni/products/204244488-replacement-for-ytx20l-bs-battery-12v-18ah-sla-compatible-2010)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-26*