Lithium battery 100ah/12volts maintenance free cheaper.
This battery has high charging voltage rate,it has low discharging voltage range after charge.
This lithium battery has LCD display screen to show the battery voltage when battery temperature.
It maintains high voltage when it's loaded.
It can be charged with a solar panel of 620w , battery charger or inverter charger in order to make it fully charged.
Warranty 3yrs and 10yrs lifespan.