The brunton revolt xl 9000 power pack is ideal for those long weekend rides camping trips and travelling when you donrsquot know the next time yoursquoll encounter a plug socket this brunton portable battery provides up to six smartphone charges and is adventure armoured to withstand the elements and brutal activities this power pack was made to rough it shockproof and weatherproof thanks to the silicone exo shell the revolt xl 9000 is protected against harsh drops and its sticky vibram