This is the same 3.7v, 1100 mAh rechargeable Lithium-Ion battery as provided with older HD Hero video cameras (HD Hero and Hero2 only). It also fits the original Battery BacPac for HD Hero and Hero2 cameras. A full charge provides about 2 1/2 hours of recording time.
Note: Does not work with the original standard-definition Hero cameras or the HD Hero3 or later.
This item can only be shipped by UPS Ground service within the 48 contiguous states. Federal regulations prohibit shipping of Lithium batteries by any AIR method (including to AK, HI, or PR). International regulations prohibit exportation of this item. US Postal Service will not accept Lithium batteries for shipment by mail.