DIMENSIONS: L 90mm x W 70mm x H 106mm including terminals

12v 4.5ah (as 4ah, 4.2ah & 5ah)

Replaces 4ah, 4.2ah and 5ah (same dimensions) if that's what you have now

Absolute security from electrolyte leakage, Oxygen Recombining

Terminals are standard 4.75mm Wide Fast-on (Spade) connectors 

Sealed - Rechargeable - Usable in Any Orientation