... the best replacement of Seald Lead Acid (SLA) battery and NIMH battery. With 1/3 weight, smaller dimension, but 8 times cyclelife ... output application .No memory effect:Always ready for charge and use ,with no need to charge after a full discharge .Wide ... EV,boatsd,planes,small medical instruments and etc . Solar ControllerCompany Long lifespan 12v 100ah lifepo4 battery with 2 years warranty TB-12100F