Reliable Starts: Prima YTX4L-BS Maintenance-Free AGM Battery
Ensure your scooter starts every time with the Prima YTX4L-BS AGM Battery. This 12V lead-acid battery features Advanced Glass Mat (AGM) technology, making it completely maintenance-free and leak-proof once sealed. Designed as a high-performance alternative to the Yuasa YT4L-BS, this battery provides the consistent cranking power needed for 50cc to 150cc engines, even after periods of storage.
Performance Features
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Maintenance-Free Design: Once activated and sealed, you never have to add water or check fluid levels.
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Vibration Resistant: AGM construction protects internal plates against the vibrations common in small-engine vehicles.
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High-Output Performance: Delivers 50 Cold Cranking Amps (CCA) for reliable ignition in various weather conditions.
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Comprehensive Kit: Includes the acid pack for fresh activation and all necessary terminal hardware.
Detailed Model Fitment
This battery is the standard 12V 3Ah/6Ah upgrade for a wide range of 2-stroke and 4-stroke scooters:
| Brand |
Compatible Models |
| Genuine Scooter Co. |
Buddy 50, RoughHouse 50, Black Cat 50, Rattler 50 |
| Vespa / Piaggio |
Vespa ET2, Vespa S 50, Piaggio Fly 50, Piaggio Zip |
| Honda |
Aero (NB50), Elite 50 (S/SR/LX), Spree (NQ50), Gyro (TG50) |
| SYM / Lance |
Fiddle 50, Mio 50, Cali Classic 50, Cabo 50 |
| Kymco / TGB |
Kymco Cobra, Kymco People 150, TGB Laser 50, TGB KeyWest 50 |
| Yamaha |
Riva 50, Jog (CY50) |
Universal Engine Compatibility
This battery fits nearly all Chinese-manufactured scooters (TaoTao, Wolf, Ice Bear, etc.) utilizing 139QMB-based 50cc / 80cc engines, including engine codes:
139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD.
Technical Specifications
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Voltage: 12V DC
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Capacity: 3Ah (10-hr) / 6Ah (Effective)
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Cold Cranking Amps (CCA): 50
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Cold Cranking Amps (CCA): 50
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Dimensions: 4.5" L x 2.8" W x 3.4" H
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Polarity: Left [-] Right [+]
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Cross-Reference: Yuasa YT4L-BS
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SKU: 104-13 / B12K2
Tech Tip: This battery must be charged after adding the acid cartridges and before final installation. To extend battery life through winter, we highly recommend using a NOCO Smart Battery Charger.
Shipping Note: This product contains hazardous materials and is not available for international or expedited shipping. It ships via U.S. Domestic Ground only to the contiguous United States (Lower 48 and D.C.). Orders for AK, HI, or PR will be canceled.
