The Lamp is lighter in weight.The Lamp in all respects is very low-maintenance type.Light Out-put is better.Spares inventory is very low.Greater satisfaction for users.The Battery has;Translucent body for easy monitering of electrolyte levels. Moulded in Belt-loops,Inter-cell connection through Fuse assembly.Dual facility for re-charging from any convensional charging systems.Economical in price