Question: 20 amp hours what does it mean?
Answer: For deep cycle batteries the standard Amp Hour rating is for 20 hours. ... The Amp Hour rating would mean, for example, that if a battery has a rating of 100AH @ 20 Hr rate, it can be discharged over 20 hours with a 5 amp load. If it has the rating of 200 AH, it can handle a 10 amp load for 20 hours.