Product Description. The Juicebox "Little Dummy" LP-E6 style power coupler connects internally to Canon 7D Mark II, 7D, Canon 5D Mark II, Mark III, Mark IV, 5DS, 5DS R, 60D, 60Da, 70D, 80D, 6D and 6D Mark II cameras in place of the internal LP-E6 battery. The "Little Dummy" enables compatible Canon DSLR's to be powered via external battery or My Canon 5D Mark II has always flashed the LED whenever I put a battery in, even if it's off. I figure it's just reading the battery info, since it tracks batteries in firmware. Sounds like the camera is just not turning on, period. I guess what I mean is that the insides haven't been fried by a bold of lightning or total discharge of the I broke the battery door on my M6ii, Canon says that is not a part they have in stock. EOS R6 Mark II - Version 1.1.2 EOS 5D Mark IV - Version 1.4.0. EOS 6D PhotoTrust Battery Door Cover Lid Cap Replacement Repair Part Compatible with Canon 5D How to remove the battery compartment door on CAnon t3i and Canon 100 If you use and external power source to connect Canon dc power to outlet. Sometimes you CANON EOS 5D MARK III BATTERY DOOR MICRO SWITCH GENUINE REPAIR PART CG2-3179-000. For Canon EOS 5D Mark II 5DII 5D2 Camera Battery Cover Door Case Lid Cap OEM NEW. Enthusiast. Options. 12-23-2012 02:39 PM. Sorry to hear that. Next thing to do is to remove that coin (Lithium ion) battery and wait for few minutes before placing it back and use a freshly charged battery, a new memory card. Make sure memory card reader door is not damaged and closes fully. If still nothing happens, contact Canon' repair center. Yongnuo YN560TX LCD Wireless Flash Controller 2 pcs YN560IV Flash For DSLR cam. (8) $8.99 New. Canon EOS 5D Mark 4 IV Battery Cover Door Lid Original Part - CG2-5255. (2) Shenligod (2PCS) Battery Door Cover Lid Cap Replacement Repair Part Compatible with for Canon 5D Mark II 5D2 DSLR Digital Camera 4.0 out of 5 stars 22 $9.99 $ 9 . 99 LP LP-E6, LP-E6N Battery 2-Pack, Rechargeable 2600mAh Large Capacity Replacement Batteries for Canon EOS 5D Mark II III IV, 5DS, 5DS R, 6D, 6D Mark II, 7D, 7D Mark II, 60D, 70D, 80D, 90D 4.6 out of 5 stars 1,544 OSV81J.