Product Description
Deka 20L & 20HL AGM Motorcycle Battery
The Deka ETX20L premium AGM powersport battery is built for strong starting power and lasting performance in motorcycles, ATVs, personal watercraft, snowmobiles, and UTVs that require a Group 20L or 20HL battery. The sealed AGM design delivers high cranking power with 310 cold cranking amps, and the full frame plate design prevents vibration damage from rough terrain or wake-shock. With factory activated, maintenance‑free convenience, the ETX20L is an excellent upgrade when looking for ready‑to‑ride power with a long service life.
Features & Benefits
- 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/HL – Direct-fit replacement for applications that call for YTX20L-BS or YTX20HL-BS batteries.
- Low Self-Discharge – Holds a charge longer between rides than conventional flooded batteries.
- Temperature Tolerant – Excellent performance in both hot and cold temperatures.
- Powersport Terminals – Top & front connections for installation flexibility. Hardware included.
- 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 Deka ETX?
Deka ETX powersport batteries from East Penn Manufacturing use absorbed glass mat (AGM) technology to deliver strong cranking power, spill-proof safety, and low-maintenance ownership. Power-Perform full-frame plates provide higher cranking amps through a wide temperature range and lower self-discharge rates between rides. These benefits, combined with factory-activated convenience and long-term performance make Deka ETX batteries the premium choice for powersport vehicles.
| Voltage | 12V |
| Group Size | 20L / 20HL |
| Type | AGM |
| Cold Cranking Amps | 310A |
| Capacity | 17.5 Ah |
| Factory Activated | Yes |
| Polarity | - Left / + Right |
| Length | 6.89" (175 mm) |
| Width | 3.46" (88 mm) |
| Height | 6.10" (155 mm) |
| Weight | 15 lbs |
| Warranty | 1 Year |
Deka Authentic ETX
Installation Information
Deka ETX Datasheet
Deka 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: 44027, BTX20L, BTX20L-BS, BTZ20L, CTX20L-BS, CYTX20L-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, YB16CL-B, YTX20L (Yuasa), YTX20L-BS (Deka), YTX20LBSFP.
Replacement for Group 20HL Batteries: 65989-97, 66000343, BTX20HL, BTX20HL-BS, CTX20HL-BS, CYL10008, CYL10019, CYLA20HLBSXTA, DURAGM-20L, DURAGM-20L-US, ETX20L, 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.