Yes Dave you can put 2 . 1000mah to get 2000 mah in parellel

Don't leave them connected like that for a long period of time or they will discharge into each other. Better yet, use a separate switch for each battery. And be sure to charge them separately. Dan

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Where do you get that from? There are all kinds of parallel/series packs out there permanently wired into a single pack. Laptops for instance. Batteries in series to get the required voltage then sticks of these batteries in parallel to get the required capacity. Electric vehicles are a prime example. Don't see anyone separating these.

Dennis

totally observed answer.. never use a switch .. this would be no different than a 4c 2 pack.. Guess you better start taking those shrink wrapped packs apart..