Battery charger CTEK CT5 Powersport 12V 2.3A – 12 V 2.3 A charger for powersport batteries

CTEK CT5 Powersport is a compact 12 V 2.3 A charger designed specifically for powersport batteries. It delivers controlled charging and maintenance for small to medium lead‑acid batteries commonly found in motorcycles, ATVs, snowmobiles and personal watercraft. The charger combines a lightweight, weather‑resistant housing with simple connection options to support safe seasonal storage and regular battery upkeep.

Advantages

The charger provides a regulated 2.3 A charge current and automatic multi‑step charging that reduces the risk of overcharging while restoring battery capacity. Built‑in protection against reverse polarity and short circuits increases user safety during connection. Its compact form factor and IP‑rated casing enable outdoor or garage use, and the unit supports long‑term maintenance charging to keep batteries ready between rides.

Suitable for

• Motorcycle batteries (small to medium lead‑acid)
• All‑terrain vehicles (ATVs)
• Snowmobiles
• Personal watercraft and small marine batteries
• Seasonal storage and battery maintenance

Key specifications

• Nominal voltage: 12 V
• Maximum charge current: 2.3 A
• Battery types supported: small to medium lead‑acid batteries (including wet, AGM and gel where applicable)
• Charging mode: automatic multi‑step charging with maintenance/float mode
• Protection features: reverse polarity protection, short‑circuit protection, overcharge prevention
• Environment: weather‑resistant housing suitable for garage and outdoor use
• Connection options: clip and eyelet connector compatibility

How to use

Before connecting, ensure the charger is appropriate for the battery type and capacity. Switch off vehicle electrics and connect the charger’s clamps or eyelets to the battery terminals—positive to positive, negative to negative—then plug the charger into a mains outlet. The charger will perform an automatic charging cycle and switch to maintenance mode when charging is complete. Disconnect the mains supply before removing the connectors. For stored batteries, leave the charger connected in maintenance mode to sustain optimal charge levels.

Usage recommendations

Use the charger in a well‑ventilated area and follow vehicle manufacturer guidance on charging rates and battery removal. For long periods of inactivity, keep the charger connected in maintenance mode to prevent sulfation and capacity loss. Avoid exposing the unit to prolonged immersion or severe weather despite its weather‑resistant design.