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UPG UB3L-B Battery | 12V 50CCA AGM | MB3U
MotoBatt MB3U Battery - Exact UPG UB3L-B Replacement | 12V 3Ah AGM
The MotoBatt MB3U is a 100% compatible exact replacement for the UPG UB3L-B battery. This premium AGM battery matches the precise dimensions of the original and meets or exceeds all performance specifications. Unlike traditional batteries, this sealed AGM product arrives fully charged and ready for immediate use - no acid filling, charging, or maintenance hassles!
Why Choose the MotoBatt MB3U Replacement Battery?
- ✓ Guaranteed Compatibility: Exact replacement with precise dimensions matching UPG UB3L-B
- ✓ Advanced AGM Technology: Sealed, maintenance-free design for superior performance
- ✓ Ready to Install: Arrives fully charged - no activation or charging required
- ✓ Enhanced Performance: 50 CCA and 3 amp hour capacity for reliable power
- ✓ Zero Maintenance: No fluid level checks, acid refills, or water additions needed
- ✓ Full Warranty: 12-month coverage from delivery date for complete peace of mind
Complete MotoBatt MB3U Technical Specifications
| Specification | Value | Customer Benefit |
|---|---|---|
| Voltage | 12V | Standard 12-volt system compatibility |
| Capacity | 3 Amp Hours | Reliable power storage for extended use |
| Cold Cranking Amps (CCA) | 50 CCA | Strong starting power in cold conditions |
| Height (with terminal) | 4.33" | Perfect fit - no modifications needed |
| Length | 3.86" | Exact dimensional match to original |
| Width | 2.20" | Precise compartment fit guaranteed |
| Weight | 2.95 lbs (with acid) | Lightweight yet durable construction |
| Maximum Charge Rate | 1.3A | Safe, efficient charging capability |
| Warranty | 12 Months | Full coverage from delivery date |
UPG UB3L-B Battery Replacement Compatibility
This battery replacement is designed to work with any application that currently uses the UPG UB3L-B battery. The identical dimensions ensure a perfect fit in your battery compartment, while the enhanced AGM technology provides superior performance and reliability compared to the original.
Advanced AGM Battery Technology
What makes AGM batteries superior? AGM (Absorbed Glass Mat) technology represents the latest advancement in battery design. Unlike traditional flooded batteries, the MotoBatt MB3U uses specialized glass mat separators that completely absorb the electrolyte, creating a sealed, maintenance-free power source.
Key AGM advantages:
- • Spill-proof and leak-proof design
- • Superior vibration resistance
- • Extended service life
- • Faster recharge capability
- • Deep discharge recovery
Frequently Asked Questions - UPG UB3L-B Replacement
Will the MotoBatt MB3U fit exactly like my UPG UB3L-B battery?
Yes, absolutely. The MotoBatt MB3U is manufactured with identical dimensions to the UPG UB3L-B: 4.33" height (with terminals), 3.86" length, and 2.20" width. This ensures perfect compatibility with your existing battery compartment and connections.
Do I need to charge this 12V battery before using it?
No charging required! The MotoBatt MB3U ships fully charged and ready for immediate installation and use. Simply remove your old UPG UB3L-B and install the new battery.
What maintenance does this AGM battery require?
Zero maintenance required. The sealed AGM design eliminates the need for acid refills, water additions, fluid level checks, or any ongoing maintenance. Just install and use.
How does the 50 CCA compare to my original battery?
The MotoBatt MB3U delivers 50 Cold Cranking Amps, which meets or exceeds the original UPG UB3L-B specifications. This ensures reliable starting power even in cold weather conditions.
What's included with the 12-month warranty?
Your MotoBatt MB3U includes comprehensive warranty coverage for 12 months from the delivery date. This covers manufacturing defects and performance issues, giving you complete peace of mind with your battery investment.
Is this battery suitable for deep cycle applications?
Yes, the AGM technology in the MotoBatt MB3U provides excellent deep discharge recovery, making it suitable for both starting and deep cycle applications where the UPG UB3L-B was previously used.
Shipping Information
Warranty Coverage
Every MotoBatt MB3U battery includes a comprehensive 12-month warranty starting from your delivery date. This warranty covers manufacturing defects, performance issues, and premature failure. As battery specialists since 2010, we stand behind every product we sell with full customer support.
Expert Battery Support Available
Have questions about UPG UB3L-B replacement compatibility or installation? Our battery specialists are here to help with professional guidance.
Contact us online or call toll-free: 1-877-775-4381
Professional support from trusted battery experts with over a decade of experience