Battery Tender 8-12 Ah Lithium Battery


The Battery Tender BTL12A270CW is a smart lithium engine starting battery, ideal for motorcycles ATVs, UTVs, personal watercraft, snowmobiles and scooters. Battery Tender lithium batteries are up to 80% lighter than equivalent lead acid batteries, 5 times the life of lead acid batteries (~2000 cycles) and have an 18-month shelf life. The BTL129A270CW is equipped with a built-in battery management system and circuit protection module that protects the battery from common issues that can lead to damage. The BMS and PCM monitor and optimize the battery preventing overcharging, over discharging, temperature protection and self discharging (non-active mode).

12 Ah

(Lead Acid Equivalent)

270 CCA

(Cold Cranking Amps)

57.6 Wh

(Watt Hours)


Battery Reset Button, to Activate Battery Charging

Quad Terminals

18 Month Shelf Life

2000+ Cycles at 80% DOD 

Limited Three-Year Warranty


Charging Harness Cable

New Terminal Hardware

Foam Inserts to fit multiple battery compartments and absorb vibration

User Manual / Instructions

The BLT12A270CW replaces the following battery sizes.

Conventional Flooded

12N9-3A, 12N9-4B-1, 12N10-3A, 12N11-3A and 12N12A-4A-1

High Performance Flooded

CB9-B, CB9L-B, CB9L-A2, CB9A-A, CB10A-A2, CB10L-A2, CB10L-B, CB10L-B2, CB12A-A, CB12A-B, CB12AL-A, CB12AL-A2, CB12B-B2 and CB12C-A

Performance Absorbed Glass Mat (AGM)

CTZ8V, CT9B-4, CTX9-BS, CTX9-B, CTZ10S, CTX12A-BS, CTX12-BS, CTZ12S and CTX12A-A

<   BTL12A270CW

More Information
Part Number BTL12A270CW
Battery Voltage 12 Volt
Cold Cranking Amps 270 CCA
Capacity 8-12 Ah (Lead Acid Equivalent)
Battery Chemistry Lithium Iron Phosphate
Charge Current 10 Amps (Max)

This battery will replace the following manufacturer part numbers:

Battery Upgrade

This battery is an upgrade for the following battery size(s):

Warranty 3 Years (Direct from Battery Tender)
Customer Reviews
Enter your shipping information below to receive a shipping estimate. Note: The shipping estimate calculates for one of these products. To calculate shipping for more than one add your desired quantity to your shopping cart.
Customer Questions
No Questions
Did you find what you were looking for?

Ratings & Reviews

Be the first to review this product

Copyright © 2023 Remy Battery Co. All rights reserved.