A:AnswerHello Paul - Yes, it will! The only issues you may experience using a heavier battery is the added weight to the unit which may not be as comfortable to handle as a smaller battery.
A:AnswerHello Ron - If they are the same voltage you can cross between tools and chargers. The only issues you may experience using a heavier battery is the added weight to the unit which may not be as comfortable to handle as a smaller battery.