External battery pack for Garmin Edge & Oregon units
Can be plugged into Edge 800 unit whilst in use to extend battery life by 20 hours
Can also be used to recharge other Garmin units
Can be charged from all common power sockets as well as with included solar charger
Includes case and strap to protect the battery and attach it to the bike whilst in use
Ideal for super-endurance athletes" wilderness adventurers or global travellers