[ShelaVenna]

Actually, the old Brava manual says the sportbox batteries typically last two weeks. Here's a link where it can be downloaded in case anyone wants to review it. Some of the things in there can apply to evebra. https://archive.org/details/manualzilla-id-5688851/page/10/mode/2up

As for whether you can sleep on your side, I think it just depends on how good of a seal you get and how wide your chest is. I'm not a side sleeper, but when I sleep upright sometimes I turn slightly to the side to relieve pressure off my back and the domes don't move. However, if I lie like that too long while the pump is running, it will start sucking the surrounding skin into the domes and shift them a bit. 

If you use a pillow to either support yourself on your back so that much of the weight is on your back but you are still on your side - or use a pillow underneath so you aren't completely on your side, it might work. It really depends on if the domes stick out a bit on your side when they are centered on your chest. With these size 4 domes, they do stick out a little on the side. I'm sure if I put all my weight on them they would probably leak a bit and maybe come off after awhile. I doubt it'd be instant though. Once you get a seal, they pretty much stay put and it takes a lot to move them unless you release the air a bit.

Thanks. I’m surprised by that. Like I said I used it without the charger, so in theory, my batteries should have drained a whole lot quicker than they’re supposed to. Maybe I’m completely off base and the thing that I thought was a charger is really just used to connect the box to a computer to upload your hours. I don’t think so, but it doesn’t really matter either way.

Domes of any kind do stick way far out to the side on me. What I think I need is a mattress topper with a hole that’s level with my boobs so that the domes can poke down into it. In a fit of insanity I googled something like “mattress topper with boob hole” thinking that nothing would come up, but it turns out that they do exist. They’re intended for front sleepers with large breasts. So far I haven’t seen any that seem like they would work. A boob hole also wouldn’t do anything to stop me from leaning against my own arm in my sleep, and popping them off that way. I’ve already accumulated an embarrassing amount of sleep positioners, none of which have helped, and I feel a little stupid for even considering buying another one, but if I find one that works, and buy it, I guess I’ll let everyone know.

Edit: I ordered this weird contraption: http://www.comfybreasts.net/kcuplarger.htm I wish it extended far enough to support my head. I hate that all mattress toppers with boobie holes stop below the head. TBF I could have asked for a custom pillow, and maybe I should have. What I like about these is that they come in a wide number of widths and hole sizes, lol. You can get a very deep, very wide hole, and a wider overall pillow width as well, which I think is probably necessary for a side sleeper wearing huge torpedo domes.