Is your phone, tablet or laptop on its last legs before the end of day? The next generation Jupio PowerVault III series are the ideal solution for that quick boost when your device is out of juice. Don’t let the small size fool you. These pint size power banks pack a punch! Available in 3 models, each with 10,000 mAh capacity, there’s a PowerVault III for any situation. Weighing in at a mere 199 grams (7 ounces), this is the world’s smallest and lightest 10,000 mAh power bank. At only 3.5 x 2.25 x 0.8 inches, it’s small enough to fit in your pocket or bag without weighing you down yet provides ample power when you need it.