This Canon BP-820 Lithium-Ion Single Battery Pack uses lithium-ion chemistry and has a capacity of 1780mAh with a voltage of 7.4 VDC. The battery is designed to resist memory effect, so it continues to last just as long between charges as it did when it was new. This battery comes with retail packaging.
What inside the box?
. 1x BP-820 (1780mAh)
. 1x User Manual
Canon BP-820 Lithium-ion Battery