 "Canon BP-828 - camcorder battery Li-Ion" " Canon Li-Ion 8598B002 Video Camcorder Batteries CDW.com
"Take advantage of uninterrupted power with this rechargeable Lithium-ion battery. Lithium-ion batteries last longer and are resistant to the effects of "memory effect", meaning you can charge and recharge your battery without fear of draining the battery. Times vary depending on camcorder and shooting conditions." 
 "Canon NB-5L"@en " Canon NB-5L Rechargeable battery for select PowerShot digital cameras at Crutchfield.com "@en
"Rechargeable battery for select Canon PowerShot digital cameras"@en 