The price of graphene replacing lead-acid batteries
GRAPHENE® 12 Volt 100AH Lithium Ferro Phosphate Inverter Battery, Solar Compatible, Back Up Equal to 180AH Lead Acid Battery, Long Life Up to 20 Years, Works with Any Normal Inverter, ... Easily upgrade to our Lithium Ferro Phosphate battery by simply replacing your old lead-acid battery with no changes needed to your existing inverter.