How long does it take to charge a 12v 200Ah battery?

24 hours at the C-20 rate will fully charge a 200A battery, if it has dropped to 100\% depth of discharge or a terminal voltage of 10v. It will take 20 times longer, or around 480 hours, for the lower output charger to do the job.

What size generator do I need to charge my battery bank?

As a general rule, the generator should be around 2 times the size of the inverter’s continuous output. For example, a 4,000-watt inverter should be paired with an 8,000-watt generator. 8kW would make sense as a minimum generator size to power the loads and have enough power to charge the battery bank as well.

Can you run a battery charger off a generator?

So What’s the Solution? The best way to charge your battery is to run a proper 240-volt or 120-volt battery charger off the generator’s AC output. But just remember, when charging your battery packs off a generator, use a quality battery charger plugged into your 240v outlets instead of the generator’s DC outlets.

Will a 2000 watt generator run a battery charger?

A 2000 watt generator will power a converter to charge your batteries at its maximum amperage. Mine is 50 amps per hour(about 700 watts) A single 12 volt battery holds roughly 100 amps. Typically run down to ,50\% one would assume a full charge in 1 hour.

How fast will a generator charge a battery?

If the generator is plugged into an AC outlet, it can take up to 2 hours for the battery to fully charge. It will take longer if your RV battery is below 20\%.

How long to charge a 12V battery with a 700 watt generator?

The capacity of your 12v battery can be described as 12 x 105 Wh. That’s 1260 Wh. Assuming 100\% efficiency (impossible) then your 700 W generator will take 1260/700 = 1.8 hours to generate 1260 Wh to charge the battery.

How many batteries do I need to run a 1500 watt heater?

However this is assuming you will only use solar panels to run a 1500 watt heater. If you combine this with a battery bank however, you will be able to run the heater for longer periods. If you have a 1500 watt solar array you only need 8 200ah 24V batteries to run a heater all day.

How do you charge a portable generator battery?

The best way to charge your battery is to run a proper 240-volt or 120-volt battery charger off the generator’s AC output. This will recharge the battery much faster and accurately.

Can You charge a car battery with an inverter generator?

However most inverter generators available today have DC outlets as a secondary power source to the AC outlets. With DC cables you can provide a trickle charge to car batteries to get you going. However it is not recommended that you fully charge your battery from the DC outlet, as the power is not regulated.