# Batteries Kawasaki 300 Js399-A
**baterias.com** · Engine
**URL:** https://baterias.com/gb/batteries-for-jet-skis/kawasaki/300/js399-a

> baterias.com > Jet Ski Batteries > Kawasaki > 300 > Js399-A

## Verified selection

- Application: Jet Ski Batteries
- Make: Kawasaki
- Model: 300
- Engine: Js399-A
You are one step away from the exact battery for your Kawasaki 300 Js399-A : . Enter the registration year so we filter correctly among the variants Kawasaki may have used across production years of this engine. Last step: enter the registration year With the year we filter between AGM Start-Stop, EFB and conventional — the manufacturer may have changed the battery spec mid-production of your Kawasaki 300. Why the year matters for the battery of your Kawasaki 300 Manufacturers change battery spec mid-production of a model. An identical engine can fit AGM Start-Stop in one version and conventional in an earlier one. Amp-hours (Ah) and cold-cranking amps (CCA) also vary between years of manufacture. Fitting the wrong battery can cause electronic faults, dashboard warnings and abnormal alternator load — on cars with BMS, registering it via OBD after the swap is required. Enter the year and you will see the manufacturer-recommended battery alongside compatible alternatives from market-leading brands (Varta, Tudor y Exide). Express 24h delivery.

## Available years (2)
- [1990](/gb/batteries-for-jet-skis/kawasaki/300/js399-a/1990)
- [1991](/gb/batteries-for-jet-skis/kawasaki/300/js399-a/1991)
## Frequently asked questions

### What battery does the Kawasaki 300 Js399-A use?

The Kawasaki 300 Js399-A may use different batteries depending on engine and equipment. Check dimensions and positive terminal position before purchasing.

### Can I install a higher capacity battery in my Kawasaki 300 Js399-A?

Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Kawasaki 300 Js399-A battery compartment and the positive terminal position matches.

### How do I find the right battery for my vehicle?

Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.

### What warranty do the batteries have?

As they are consumable items, car batteries have a 2-year warranty, truck batteries a 1-year warranty, and all others (motorcycle batteries, cyclic batteries, etc.) a 6-month warranty. If a battery has a manufacturing defect, it will be replaced at no cost to the user.

### How long does it take for the battery to arrive?

Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.

### How long does delivery take?

Delivery takes 24 working hours across Spain. Batteries are shipped fully charged and ready to install.

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