Product Description
Deka YTX4L-BS AGM Motorcycle Battery
The Deka YTX4L-BS is a 12V AGM battery engineered for dependable starting in motorcycles, ATVs, scooters, and a few snowmobiles that require the Group 4L size. This battery delivers strong cranking performance with rugged, vibration-resistant construction. The absorbed glass mat (AGM) design eliminates maintenance once properly filled and charged, making it a great replacement battery for a variety of powersport applications. Made under the Deka Sports Power line, it’s a long-lasting, maintenance-free upgrade for riders who need reliable power.
Features & Benefits
- Bottle-Supplied Activation – Includes acid pack for proper filling and requires charging before use.
- AGM Construction – Excellent vibration resistance for increased durability and extended lifespan.
- Group 4L – Direct fit replacement for applications calling for XTX4L-BS or MBTX4U batteries.
- Low Self-Discharge – Holds a charge longer between rides than flooded batteries.
- Temperature Tolerant – Excellent performance in both hot and very low temperatures.
- Powersport Terminals – Top & front connections for installation flexibility. Hardware included.
- Left-Negative Polarity – Verify your current battery's terminal locations before purchase.
Why Choose the YTX4L?
Part of the trusted Deka Sports Power lineup from East Penn Manufacturing, the YTX4L-BS leverages premium absorbed glass mat technology to deliver strong cranking power, spill-proof safety, and low-maintenance ownership. The sealed AGM chemistry resists vibration and supports dependable starts in stop-and-go city rides, trail riding, and track days—perfect for compact bikes and small ATVs that call for a Group 4L format. A great choice for riders looking for a consumer-activated ATV or motorcycle battery with long-term performance.
| Voltage | 12V |
| Group Size | 4L |
| Type | AGM |
| Cold Cranking Amps | 60 |
| Capacity (10hr) | 3 Ah |
| Factory Activated | No |
| Polarity | - Left / + Right |
| Length | 4.44" (113 mm) |
| Width | 2.75" (70 mm) |
| Height | 3.44" (87 mm) |
| Weight | 2.9 lbs |
| Warranty | 1 Year |
Deka YTX4L-BS Datasheet
How to Activate an AGM Battery
YTX4L-BS Battery Cross-Reference
Replacement for Group 4L Batteries: 44015, 4L-BS, 740-1865, B4L-A, B4L-B, BTZ5S, BTX4L-BS, CTX3L, CT4L-BS, CTX4L-BS, CYL10087, CYLAX4LBSXTA, ES4LBS, ET4L, ETX4L, GT4L-BS, GTX4L-BS, M62X4B, MBTX4U, NLP5, PTX4L-BS, STX4L-BS, UT4L, UT4L-BS, VTX4L-BS, VTX4L-BS-FS, X2P5, X2P-LI-5, XTAX4L-BS, YB4L-A, YB4L-B, YT4L-BS, YTX4L.
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 1 Charger and Maintainer when bundled with battery using the option above.
