 "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 Battery Charger CB-2LX"@en-US "Accessories - Page 938 | EISF"@en-US
"Canon 1133b001aa Cb-2lx Battery Charger The CB-2LX battery charger is a replacement charger for one included with the Canon PowerShot SD700 IS. It fully recharges the Canon NB-5L lithium battery pack in approximately 125 minutes. Charging the battery is simple. Just remove it from the camera and slide it into the charger. The charge indicator light signals when it's fully charged. The CB-2LX charger measures 2.26 by 3.21 by 0.83 inches and weighs just 2.3 ounces, so it can be easily incorporated in a camera kit bag or suitcase."@en-US 