With built-in long lifespan,rechargeable,free-maintance 3500Mah high capacity sealed lead acid battery. MODLEYD- ... .W.26.6KG/24.6KGSpecificationa.With built-in long lifespan,rechargeable,free-maintance 3500Mah high capacity sealed lead acid battery.b ... factor.d.Use aluminium reflector ,with better heat dissipation and spotlight effect, not easy to degenerate and be scratched, and it ...