Anonymous
May 21, 2019Watts 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...
pianotuna wrote:
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?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