Chare the S-8845 battery using the SWIT S-3602C Dual-Channel Charger or via the DC barrel port using the SWIT S-3010D Portable Charger.
SWIT S-8845 7.2V, 47Wh Battery with DC Output (Canon BP-945/970G)
SWIT BP-900 Series Overview
45 7.2V, 47Wh Lithium-Ion DV Battery with DC Output from SWIT to power a camera or another device compatible with the Canon BP series BP-945/970G battery. It can also power select components simultaneously using the built-in 7.2 VDC barrel output. A handy 4-level LED indicator gives you a quick view of the remaining power before using the battery.