topic P27-DH and a P26 DH calculator will not work on battery. in General Discussion https://community.usa.canon.com/t5/General-Discussion/P27-DH-and-a-P26-DH-calculator-will-not-work-on-battery/m-p/170127#M4643 Thu, 14 Apr 2016 19:04:33 GMT Patmac 2016-04-14T19:04:33Z P27-DH and a P26 DH calculator will not work on battery. https://community.usa.canon.com/t5/General-Discussion/P27-DH-and-a-P26-DH-calculator-will-not-work-on-battery/m-p/170127#M4643 Thu, 14 Apr 2016 19:04:33 GMT https://community.usa.canon.com/t5/General-Discussion/P27-DH-and-a-P26-DH-calculator-will-not-work-on-battery/m-p/170127#M4643 Patmac 2016-04-14T19:04:33Z