Select a Problem and click "Go to Answer" How long should I charge my battery? My Battery is not a Kangaroo TG-31 battery, how should I maintain it? My Battery is not a Kangaroo TG-31 battery nor do I have a Kangaroo charger, how should I maintain it? Can I play more than 18 holes on a single charge? How long of a life should I expect from the TG-31 battery?