arnereil wrote:Do you mean INVERTER? That takes 12v and converts it to 115v for household appliance/tv/etc. use.....
I have a battery tender and solar panel to charge the battery and an inverter to turn 12 into 115v for some small draw stuff (not microwave or a/c).
When you are charging a battery, you are still running off the battery. If the charger is not putting out as much as you are drawing, the battery will eventually run down....
asianflava wrote:I am using a battery charger in the manner you are discribing. When using shore power, it will float the battery so that I can use the 12V items.
I am using this charger:http://www.pmariner.com/productFeature.php?ProductNum=41206 I chose it for it's price and size. I am not up and running so I can't give a review.
Before buying that Schumacher charger, You may want to read the end of this thread. http://www.tnttt.com/viewtopic.php?t=1941&start=135
webbedouin wrote:You can hurt a battery by over charging it. The batery solution will bubble and produce sulphuric acid gas, oh my! You'd end up adding water often AND be rewarded with a shorter battery life. Think you're talking about a charge controller when you say converter??? Or 120v ac to 12v dc to use as a charger. Anyway if you hook your charger up (whatever type it might be) through a charge controller to your battery and you will not have to worry about over charging. The charge controller will do it for you.
rlphoto wrote:I am talking about charge controller. I was wondering why anybody would bother using a regular converter.
Woody wrote:You are forgeting one important thing about chargers of this type, most chargers can not handle the continueous demand of being run as a power supply, unless specifically designed that way. It will thermally shut down and protect itself and over time it will damage it and the battery with it
If you read the documentation for most battery chargers types, it does point this fact out about NOT being used as a power supply. The charger senses the voltage drop from the load and thinks the battery needs a boost. Designed to maintain the battery at capacity it turns on and trying to keep up with the demand, it overheats and shuts down. Resets when cool and starts charging again, overheats again and the cycle just repeats. If the battery is drained really low, you need a bulk charger, to bring it up. Not the small trickle or maintenier type types can't handle that type of load either. A good 4 stage charger is in order.
What you need is a power supply that also act like a regulated battery charger or has the capacity. I know a while back there was a thread about power supplies of this type
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