Product Description
Deka 20L & 20HL AGM Powersport Battery
The Deka ETX20L is a premium AGM powersport battery built for reliable starting power in many motorcycles, ATVs, jet skis, snowmobiles, and UTVs that require a Group 20L or 20HL battery. This factory‑activated, sealed AGM design delivers strong cranking performance with 310 cold cranking amps and the full frame plate design resists vibration damage on rough terrain. With spill‑proof, maintenance‑free convenience, the ETX20L is a dependable upgrade for riders who want ready‑to‑ride power and long service life.
ETX20L Features
- Factory Activated – Ready to go right out of the box for a quick, hassle-free installation.
- AGM Construction – Excellent vibration resistance for increased durability and extended lifespan.
- POWER‑PERFORM™ Plates – 310 CCA for large V‑Twin motorcycles and high‑compression engines.
- Group 20L – Direct-fit replacement for applications that call for YTX20L-BS or GYZ20HL batteries.
- Low Self-Discharge – Holds a charge longer between rides than conventional flooded batteries.
- Temperature Tolerant – Excellent performance in hot and cold temperatures.
- Powersport Terminals – Top and front connections for easier installation flexibility.
- Left-Negative Polarity – Always verify your current battery's terminal locations.
- Made in the USA – Proudly manufactured in U.S. for consistent performance and reliability.
Why Choose the ETX20L?
Part of Deka’s trusted ETX AGM powersport lineup, the ETX20L combines sealed AGM technology with rugged internal construction to deliver dependable, maintenance‑free performance. Compatible with 20L & 20HL group sizes, the 310 CCA rating ensures strong starts during cold weather or high‑demand conditions in big-bore motorcycles, UTVs, and snowmobiles. Backed by a 1 year warranty, the ETX20L is a reliable upgrade for riders who value long‑term performance and trouble-free ownership.
| Voltage | 12V |
| Group Size | 20L / 20HL |
| Type | AGM |
| Cold Cranking Amps | 310 |
| Capacity (10-HR) | 17.5 Ah |
| Factory Activated | Yes |
| Polarity | - Left / + Right |
| Length | 7.00" |
| Width | 3.54" |
| Height | 6.10" |
| Weight | 15 lbs |
| Warranty | 1 Year |
ETX20L Battery Cross Reference
The 20HL battery is the same dimensions as a Group 20L, but typically with higher cranking amps.
Upgrade for Group 20L Batteries: BTX20L, BTX20L-BS, BTZ20L, CTX20L-BS, ESTX20L, ETX20L, FAYTX20L-BS, GTX20L-BS, GYZ20L, M320BS, M420BS, MBTX20U, NLP20, ODS-AGM20L, PTX20L-BS, PTX20LBS-FS, STX20L-BS, UTX20L-BS, VTX20L-BS, VTX20L-BS-FS, WPX20L-BS, YTX20L (Yuasa), YTX20L-BS (Deka), YB16CL-B.
Replacement for Group 20HL Batteries: 65989-97, 66000343, BTX20HL, BTX20HL-BS, CTX20HL-BS, CYL10008, CYL10019, CYLA20HLBSXTA, DURAGM-20L, DURAGM-20L-US, FAYTX20HL-BS, GTX20HL-BS, GYZ20HL, M620BH, M720BH, MBTX20UHD, NLP20, ODS-AGM20L, PTX20HL-BS, PTX20HLBS-FS, STX20HL-BS, UTX20HL-BS, VT20HL-BS-FS, X2P20, X2P-LI-20, XTAX20HL-BS, YTX20HL (Yuasa), YTX20HL-BS (Deka), YTX20HL-BS (Yuasa).
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit.
Extend the Life of Your Battery
Keeping your battery charged between uses with a quality maintainer is essential for maximizing its lifespan. Save 10% on a NOCO Genius 2 Charger and Maintainer when bundled with battery using the option above.
Deka Authentic ETX
Installation Information
Deka ETX Datasheet