Testing my battery conditioner

[Norfolkandchance]

Hi,

I have combined battery charger / conditioner. It is supposed to charge the battery and then keep it topped-up. I've never used it to top up before.

It works as a charger - I attach it to a car with a flat battery and the battery will charge. However, it has LEDs which are supposed to indicate when it switches to battery conditioning. After 3 days the LEDs havn't changed. I have a multimeter but no idea what to do with it - how can I check if it is keeping it topped up and not overcharging.

Thanks

[Norfolkandchance]

Thansk for the replies.

I should have said that after a few hours on the charger a slightly flat battery show all the signs of being perfect. The battery is only about 6 months old, and is a good make, and hasn't ever fully discharged. Once charged it then keeps its charge for a long time - can start the car 3 or 4 weeks later - so I have no concerns about the battery.

Either the LEDs on the charger are not indicating when it switches to conditioner or the charger isn't switching. The LEDs don't seem to work when it is charging either - the wrong one lights up. From memory they never did but since it charged OK I didn't worry as I didn't need it as a conditioner when I first bought it.

I wondered if there is anyway I can test the output from the the charger and see if it has switched modes.