Amazon.com: ChargeDNA 1.1+, 6V and 12V, 1.1 AMP, Portable Smart Battery Charger, Maintainer, Fully Automatic, Lead-Acid and Lithium for Cars, Motorcycles, ATVs, UTVs, Jet Skis and More - Designed in The USA :
Amazon.com: Mighty Max Battery YTX20L-BS Battery for Kawasaki Jet Ski JH1100 ZXi + 12V 4Amp Charger
Best Battery Charger and Tips for Voltage and Amps - The Watercraft Journal | the best resource for JetSki, WaveRunner, and SeaDoo enthusiasts and most popular Personal WaterCraft site in the world!
Mighty Max Battery YTX14AHL GEL Replaces Jet Ski Personal Watercraft With 12V 2Amp Charger MAX3875809 | Zoro
The Best Jet Ski Battery Charger - Voltage, Amps, and Tips You Need - Steven in Sales
Schumacher Electric Schumacher Pro Automotive 12-Volt Battery Charger and 80-Amp Engine Starter with Maintainer and Boost Mode SPR1629 - The Home Depot