Personally. I would see this as a great excuse to fit an accessory socket.. not only to ensure the inflator will always work in an emergency. But also, handily.. you will always have the means to keep your phone fully charged.. and have a convenient point to connect a 12v battery charger. I think an accessory socket is just about the handiest extra you can add to any bike. And they're not exactly expensive. or difficult to fit/site. for example. http://tinyurl.com/y8llope6 A well regarded portable tyre pump is one of these. http://tinyurl.com/ycqx56hl. Though, unlike the GHB it doesn't have its own battery,