Don't get caught without power! Convenience and SAFETY make these a must-have - if you have an e-start bike, don't head out into the backcountry without one.We offer two sizes of lithium-ion booster packs to fit your personal needs - both are 2-year guaranteed quality and work great with a easy-access boost harness! Model Personal Utility Pic Part number (SKU) CPJC1091 CPJC1092 C3 "Editor's notes" Barely bigger than a smartphone - sleek and pocket-sized, perfect to carry on your rides, yet still packs a punch! Still very portable but higher power and more heavy-duty, a great pick if it's not just for biking - for example on UTVs or trucks or farm equipment or whatever! Size 5.5 × 3 × 0.7” 7 × 3.5 × 1.5” Weight (pack only) 215 g / 0.5 lb 500 g / 1.1 lb Capacity 8000 mAh 12000 mAh Output 12V 400A peak /200A continuous 12V 1200A peak /600A continuous Also act as a power bank to charge your smartphone ✔ ✔(+quick-charge) Built-in emergency flashlight ✔ ✔ Packaging Soft case Hard case Packaging pic Included Alligator clamps,wall charger(USB to micro-USB) Alligator clamps,wall charger(USB to USB-C) Start a low-battery bike >40 times on one charge ✔ ✔ Start a low-battery V6 or small V8 half-ton ✔ ✔ Start a low-battery full-size V8 half-ton or one-ton ✖ ✔ No-worries 24-month warranty from C3 Powersports ✔ ✔ "Class comparison" Comparable to "XP-3" Comparable to "XP-1" We've been riding with these and testing them hard for 5 years in tough Canadian winters and they are still going strong! We trust them, and you can too.