Important Charging Information for Ni-MH Batteries Ni-MH batteries may not charge to full capacity the first time they are charged, orafter a long period of non-use.The first-time charge of the KODAK KAA2HR Ni-MH Rechargeable Battery Packshould take approximately 2-1/2 hours.mportant Charging Information for Ni-MH Batteries Ni-MH batteries may not charge to full capacity the first time they are charged, orafter a long period of non-use.The first-time charge of the KODAK KAA2HR Ni-MH Rechargeable Battery Packshould take approximately 2-1/2 hours.