Watts Help Needed.
I am trying to figure out how long a battery will last. I have Googled it and read a few sites but I still have a few questions. I have a small TV that I plugged into my Kill a Watt meter. That sho...
Forum Discussion
Hi jbfoster,
An 1800 watt generator is capable of doing 12 volt charging at up to 120 amps, if the charger is power factor corrected. It will easily work with a 45 amp charger with a power factor of 0.7.
Charging a lead acid battery comes with an "acceptance" charging rate. For a 100 amp-hour battery at 85% of fully charged that is approximately 12.5 amps. As the battery gets closer and closer to 100% the charging rate drops.
Which 1800 watt generator are you considering purchasing?
An 1800 watt generator is capable of doing 12 volt charging at up to 120 amps, if the charger is power factor corrected. It will easily work with a 45 amp charger with a power factor of 0.7.
Charging a lead acid battery comes with an "acceptance" charging rate. For a 100 amp-hour battery at 85% of fully charged that is approximately 12.5 amps. As the battery gets closer and closer to 100% the charging rate drops.
Which 1800 watt generator are you considering purchasing?
jbfoster wrote:
I was going to get a 1000 watt generator but I am now getting a 1800 watt generator. It's rated at 15amps so I don't want to use a charger more than 10amps. I don't have an RV. We will be tent camping for a while.
Thank You
Jim
