My AGM to Lithium conversion
Here is a quick article I wrote on my adventure going from AGM batteries to Lithium. http://rvbprecision.com/rv-projects/rv-lead-acid-agm-to-lithium.html http://rvbprecision.com/rv-projects/rv-l...
Forum Discussion
BFL13,
The li capacity rating is done by discharging at 0.2 c (20 amps on a one hundred amp-hour battery). The battery management system prevents over discharge by saving a "seed" voltage. BMS also limits demand.
A good BMS monitors each cell of the battery. So what happens at the posts doesn't matter much.
Most folks don't realize the lead acid batteries are only rated at 25 amps draw per 100 amps of storage. Exceeding that creates extra voltage drop. The more one exceeds it the greater the drop.
The microwave draws about 190 amps. So for GREAT service I would need 8 100 amp-hour jars. I got around that by having 7 125 amp-hour batteries, as there was not space for 8.
The exception for lead acid is SiO2 which can do up to 400 amps continuous on a 100 amp-hour jar. I don't have any voltage drop data on them.
The li capacity rating is done by discharging at 0.2 c (20 amps on a one hundred amp-hour battery). The battery management system prevents over discharge by saving a "seed" voltage. BMS also limits demand.
A good BMS monitors each cell of the battery. So what happens at the posts doesn't matter much.
Most folks don't realize the lead acid batteries are only rated at 25 amps draw per 100 amps of storage. Exceeding that creates extra voltage drop. The more one exceeds it the greater the drop.
The microwave draws about 190 amps. So for GREAT service I would need 8 100 amp-hour jars. I got around that by having 7 125 amp-hour batteries, as there was not space for 8.
The exception for lead acid is SiO2 which can do up to 400 amps continuous on a 100 amp-hour jar. I don't have any voltage drop data on them.
