Summary: Need a battery for motorcycles and quads? Consider the Motobatt MB3U, rated 3.8Ah 12V 50A. Size and polarity decide most swaps, and both are listed on this page.
Buying the Motobatt MB3U online
Riders often order the Motobatt MB3U the night before a planned weekend ride. A snug fit stops the battery rattling on rough roads. The Motobatt MB3U page sets out the details before any panel comes off.
Small and light at 3.8Ah, ideal where space is short.
12VVoltage
3.8AhCapacity, 10-hour rate (C10)
50ACold cranking current (EN)
Before you order: a quick checklist
- ✓ Cranking power on cold mornings: 50A. Big engines in harsh winters call for a generous figure.
- ✓ Set your charger to AGM before the first charge.
- ✓ Will it fit? The Motobatt MB3U measures 98 × 56 × 110 mm, so compare length first, then width, then height with the lid or bonnet closed.
Specifications table
Questions buyers ask about the Motobatt MB3U
Can one person lift this battery?
It weighs 1.34 kg. Use the handle if fitted and lift with your legs, not your back.
How many cold cranking amps does this battery give?
The rated cranking current is 50A to the EN standard. This is the key figure for cold weather starting.
How should I store the Motobatt MB3U if I don't fit it immediately?
Yes, gradually. Lead batteries lose a little charge each month, lithium much less. A quick charge before use is a good idea.
Will the Motobatt MB3U fit my battery space?
Overall it is 98 × 56 × 110 mm (L × W × H) and tips the scales at 1.34 kg. Weight is a good clue to how much active material is inside.
Care tips for AGM batteries
Tightly packed plates and mats give glass-mat batteries a sturdy inner structure. Low internal resistance lets AGM deliver strong bursts of current on demand. Replace an AGM battery whose case has bulged.
Related products and ranges
You will find this battery in the motorcycles and quads section of baterias.online, ready to order. Once the battery is in, keep the old one for recycling at an authorised point.
Motobatt MB3U in everyday use
Classic bikes with kick-start still rely on the battery for lights and ignition. Tension the strap properly so the battery cannot move on rough roads. Charging a small battery on a high-amp car charger can overheat and damage it.
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