Battery Power 
product Power Media Battery Power Canon /product-images/power-media/canon-bp-a30-battery.jpg /product/canon-bp-a30-battery/ $20 Power Media BP A30 BPA30 
Power Media · Battery Power
Canon BP-A30 Battery
You might also need
Battery Power 
10/15amp IP66 to Plug Adaptor
Battery Power 
10A 4 way IP66 RCD Power Board w/ 1.8m braided lead
Battery Power 
10amp / 10m Extension Lead 1.5mm Rubber Flex Cable (Green Tag)
Battery Power 
10amp / 10m Extension Lead Piggyback (Blue Tag)
Battery Power 