Lezyne Infinite Power Pack. A portable power pack that will double the runtime of your Lezyne Deca Drive 1500i and Deca Drive 1100i. The pack can be plugged directly into the light and is easily recharged via any standard USB port. For using on the go the light comes with an adjustable Velcro strap Features. Compatible with Lezynes Deca Drive 1500i and 1100iCharges via any standard USB port14-inch cableAdjustable Velcro strapWeighs 192gBuy Lezyne Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.