will battery charger cause damage

[lndlyb4]

Hello,

I have a small solar system set up in an rv. Can I charge my batteries with a portable charger WHILE the inverter and controller are still connected to the batteries? I occasionally need to supplement my solar panel charging with a regular charger due to weather, camping in woods or just plain using too many amps. I have two 100 amp batteries connected in parallel. I would like to bulk charge at 15 amps until 90% charged, then let the panels do the rest. I seem to be using 50-60 amps a day which doesn't recover quickly enough. I have a 15amp charge controller on a 95 watt panel. do I need a larger charge controller?

[Sunking]

Hello,

I have a small solar system set up in an rv. Can I charge my batteries with a portable charger WHILE the inverter and controller are still connected to the batteries? I occasionally need to supplement my solar panel charging with a regular charger due to weather, camping in woods or just plain using too many amps. I have two 100 amp batteries connected in parallel. I would like to bulk charge at 15 amps until 90% charged, then let the panels do the rest. I seem to be using 50-60 amps a day which doesn't recover quickly enough. I have a 15amp charge controller on a 95 watt panel. do I need a larger charge controller?

You can certainly use a generator to charge your batteries. You can also use a Battery Isolator so when the vehicle engines runs the alternator will charge your batteries. Your vehicle alternator can do more in 30 minutes than your panels can do in a week or two.

If you have a 12 volt 200 amp hour batteries in a RV, you should be using 200 to 400 watts or panel wattage and a 30 to 40 amp MPPT charge controller.

[lndlyb4]

You can certainly use a generator to charge your batteries. You can also use a Battery Isolator so when the vehicle engines runs the alternator will charge your batteries. Your vehicle alternator can do more in 30 minutes than your panels can do in a week or two.

If you have a 12 volt 200 amp hour batteries in a RV, you should be using 200 to 400 watts or panel wattage and a 30 to 40 amp MPPT charge controller.

Thanks Sunking, Looks like I have some upgrading (or conserving) to do if don't want to be running my generator all the time. well, at least I know I have a way to charge them for now.

[Naptown]

Refreshing to have someone who listens to reason

[lndlyb4]

Thanks