SHIPPING DISCLAIMER - Due to shipping regulations on lithium ion batteries, all batteries will ship UPS ground. Unfortunately upgrades beyond ground service (ex. overnight/air shipping) will not be allowed.
The iJoy 20700 Battery is a 3000mAh, 40 amp cell. This new battery type is going to give 18650 batteries some competition. With a small increase in size the iJoy 20700 battery has a much higher amp limit along with a high mAh rating.