Optima battery replacement or charging system
Hi folks, my toy hauler is a 2004 WW FS 22 with an inboard Onan generator , the generator starts right up and runs great...Tow vehicle is an 09 3500HD duramax silverado with the factory pin connecti...
Forum Discussion
If the batteries are allowed to run down in storage they have probably sulfated and lost capacity.
Charging from the truck will have limited amps and not fully charge in three hours. You are getting a surface charge reading, not an indication of full 100% charged with the indicator.
Again 30 minutes is too short of a generator run time to charge a low battery anywhere close to even 90%. Even fast charging AGM takes longer than 30 minutes. And it will depend on the converter. Some are very good, others are miserable. You will need to post the converter model number for best answers. If it is a three stage converter you also need to verify the charging voltage gets above 14 volts during the first hour.
Optima is a good battery but usually the set up has low capacity for what an RV needs.
LED lighting and 100+ watts of solar would go a long way when off grid and for storage maintenance of the battery.
Charging from the truck will have limited amps and not fully charge in three hours. You are getting a surface charge reading, not an indication of full 100% charged with the indicator.
Again 30 minutes is too short of a generator run time to charge a low battery anywhere close to even 90%. Even fast charging AGM takes longer than 30 minutes. And it will depend on the converter. Some are very good, others are miserable. You will need to post the converter model number for best answers. If it is a three stage converter you also need to verify the charging voltage gets above 14 volts during the first hour.
Optima is a good battery but usually the set up has low capacity for what an RV needs.
LED lighting and 100+ watts of solar would go a long way when off grid and for storage maintenance of the battery.
