Blumax Battery for Canon BP-819 - You"ll always have power for the shots you want. When you"re taking pictures or shooting video, you don"t want to worry about battery life. That"s why you need The Blumax Battery. This inexpensive, rechargeable Lithium-Ion Battery Pack is a 7.4 volt, 1700 mAh rechargeable battery that will give you the extra power that you need. It"s compatible with your device [check compatibility below], and will ensure that your precious moments are captured. Use this battery as a high-powered main replacement battery or as a secondary battery. Either way, you will have full power for unhindered shooting enjoyment at all times. Lithium Ion technology - Recharge at any time Lithium ion batteries have no memory effect: Recharge your battery at any time, so you will always be prepared for peak shooting performance. You"ll never be caught without power unexpectedly. Compatibility This Blumax replacement battery replaces: Canon: BP-808 / BP-809 / BP-819 This Blumax replacemnet battery also fit the following models: Canon: HF / HG: HF10 / HF100 / HF11 / HG20 / HG21 LEGRIA:LEGRIA HF M306 / HF M31 / HF M36 / HF S20 / HF S200 / HF S21 VIXIA:HF M30 / HF M300 / HF M31 / HF S10 / HF S100 / HF S11 / HF S20 / HF S200 / HF S21 / HF10 / HF100 / HF11 / HF20 / HF200 / HG20 / HG21 iVIS:HF S10 / HF S11 / HF10 / HF100 / HF11 / HF20 / HG21 Included In the Box 1x Original Blumax ® replacement battery for Canon BP-819, delivered in retail blister packaging.