Motobatt MB9U – powersports battery for bikes, jet skis and quads – 11Ah 12V 140A

At a glance: The battery on this page is the Motobatt MB9U, aimed at motorcycles and quads. Technology matters here: it is a AGM battery.

Getting the best from the Motobatt MB9U

Commuter scooters do short hops every day and rarely give the battery a full charge. Check the fuse holder near the battery when the bike seems dead. Topping up a sealed battery is a mistake: the caps are fitted for good.

Measurements, ratings and codes

How AGM batteries work and how to look after them

Glass-fibre separators in an AGM battery act like blotting paper for the acid. Ambulances and police cars use AGM for their heavy electrical loads. Charge an AGM battery in a cool, ventilated place.

Common questions about the Motobatt MB9U

Motobatt MB9U for motorcycles and quads

Plenty of motorcycles and quads leave the dealer with a Motobatt MB9U under the seat. Some arrive sealed and ready, others need filling before use. The Motobatt MB9U page covers everything worth checking before the seat comes off.

Nothing unusual about 11Ah: a standard capacity for motorcycles and quads.

More options

Ordering the Motobatt MB9U online at baterias.online is simple once the code checks out. Once the battery is in, keep the old one for recycling at an authorised point.

• More for motorcycles and quads
• All Motobatt products on baterias.online

Five checks for a perfect fit

• ✓ Set your charger to AGM before the first charge.
• ✓ Grab a tape measure: 136 × 76 × 133 mm is what this case needs.
• ✓ Amp-hours: 11Ah. More capacity means more reserve for accessories and slower discharge when parked.