I was curious if any one has looked at Powersync batteries?
https://powersyncenergy.com/
A link to their 12V/200Ah battery;
They seem interesting.
https://powersyncenergy.com/
A link to their 12V/200Ah battery;
POWERSYNC™ CN12V-200FT Carbon Nanotube VRLA Battery Module - POWERSYNC Energy Solutions
They seem interesting.