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[BazaJT]

The battery charger I have is donkeys yonks old,but still works perfectly well.It's a Pro user 4amp,model BCH4 if that means anything to anyone.Question is can I use this on a motorcycle battery or do bike batterys need a dedicated charger?

[zirk]

Assuming your bike battery is 12v and not 6v it should be fine (or is there a switch on the charger for 6v/12v?).

[BazaJT]

No switch on charger to alter voltage,however bike battery is indeed a 12v one.Thanks.

[martin341]

...bike battery is indeed a 12v one..

Yep, absolutely safe to use, but i'd recommend disconnecting the battery for charging time.

[BazaJT]

That's one thing I've always done.I always take battery off anything it's attached to-always been cars before of course-and take battery to charger,not charger to battery.But thanks for tip anyway.

[johnnydog]

I've recently bought a Ring 8amp smart battery charger for approx £65. Excellent charger - recognises the battery type (gel, wet etc.), battery voltage (6v or 12v) and the level and type of charge needed and charges accordingly during a series of different charge cycles. You can also set your own charging cycle depending on the type of battery (for stop / start in modern cars). Displays the rate of charging, % charge level of battery, battery volts etc at any given time during the charging process. Has a cold charge facility, a facilty to repair a deeply discharged battery, can retain the radio codes during a battery change, and can be left connected to a laid up car to trickle the battery when needed. My old charger wouldn't touch a deeply discharged battery, and just whacked a constant charge in, which I believe can do more harm than good. Well worth the money, I think!