The BP-511A Lithium-Ion Battery Pack from Pearstone is designed to replace Canon BP-511, BP-511A or BP-512 batteries. Small and lightweight, Lithium-Ion batteries can be charged or discharged at any time without developing memory effects. It is fully compatible with the camera, and can also be used with the original Canon charger.
| Chemistry | Lithium-Ion |
| Output Voltage | 7.4V |
| Capacity | 1400mAh |
| Dimensions | 2.1 x 1.5 x 0.8" (53 x 38 x 20mm) |
| Weight | 2.6 oz (76 g) |