CATL Baterai Lifepo4 3.2v 30AH 120AH Baru Elektrik Baterai Lithium LIFEPO4 3.2V 200Ah DISCHARGE CAPACITY TEST PROVE Baterai Lithium fosfat 3.2V 30Ah lifepo4 Baterai cell Lithium iron phosphate deep cycles for Diy 12V 24V 36V 48Vsolar energy UPS power