Our batteries cover from 12v /24v/48v/72v/144v to 388v with capacity of 10ah /20ah/30ah/50ah/100ah/200ah/600ah which had been widely used in rechargeable power application. And our 48v 50ah, 72v 100ah and 144v 100ah, 388V 200ah battery packs with our fantastic LIFEPO4 charger with Patented BMS (battery management system) which can monitor and equalize each single cell during charge and discharge. All our power solution products have been achieved great success in advanced countries.