Mouthwatering Strawberry Watermelon is the one fruit we wish existed. This duo brings you the sweet undertones of strawberry with the smoothness of cut watermelon. Finding a combination this appetizing is one worth trying. With a 1200mAh battery and direct draw system, Puff XXL has enough power to deliver excellent flavor without any charging or complicated settings. PUFF XXL is the longest-lasting device from the Puff lineup.After your PUFF XXL runs out of juice and/or battery, simply buy a replacement.