 "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." 
 "Canon BG-E14"@en " Canon BG-E14 Battery grip for use with the EOS 70D at Crutchfield.com "@en
"Battery grip for use with the Canon EOS 70D"@en 