The battery has to 20 each - again empty 30 shots. Went smoothly back to the seller. When searching for an alternative following absurdity fell on exactly the same battery x 2 will be offered. With a small but crucial difference. Once it says in the description that it can be loaded with the Oly charger, the other states that a special charger is required. I suspect that the latter is true. The price is the same for both articles. Amazon or the traders should look for a closer look.