OEM style replacement conventional lead-acid 6-Volt 22Ah battery. Comes dry; without electrolyte. Dimensions: 115mm long x 100mm wide x 214mm high. OEM style replacement for OEM 66006-29. Note: Conventional lead-acid batteries require filling with electrolyte (a mixture of sulphuric acid & water) before use. Motorcycle Storehouse does not supply the required electrolyte to activate conventional lead acid batteries.