VISIONSPIN2. Vision Spinner 2 1600mAh Variable Voltage Battery Vision Vapros Spinner 2 1650mAh Battery Features: Upgraded and powerful 1650mAh battery (Charger Sold Separately) Upgraded and stable PCB control head Improved and ergonomic spin dial for variable voltage Extended life span for battery cell and the new upgraded PCB Upgraded power button with battery charge indicator Automatic Cutoff Time: ~8 seconds (approximate) Short Circuit Protection Variable Voltage: 3.3-4.8V Charging voltage: 4.2V / 420mA Price: 1 to 49     $6.99 each 50 or more     $5.99 each Unit: each Quantity: