 "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 1133B001AA CB-2LX Battery Charger (1133B001AA)" (1133B001AA) from Solid Signal"
"The Canon CB-2LX Compact Battery Charger is designed to take full advantage of high capacity rechargeable batteries. It has been specially designed to charge the Canon NB-5L Battery." 