Choosing to buy a new tablet used to be an exercise is spec comparison to identify the best trade-off between features and price. But with prices falling while the components improved, there's a lot of "good enough" tablets out there for not very much money. So to make a new tablet standout from the crowd, you need to offer something different. For LG, that standout feature looks to be a battery dock.

As Android Police reports, T-Mobile managed to leak the spec of the as yet unannounced LG GPad X2 8.0 Plus tablet this week. And there's nothing really impressive about the tablet itself. It's an 8-inch device sporting a 1920-by-1200 resolution display and runs Android 7.0 Nougat on an 1.4Ghz octa-core ARM processor and 2GB of RAM. There's 32GB of internal storage and 5MP front and rear cameras.

The battery size and life isn't stated, but LG is going to offer an easier way to keep this tablet charged. Rather than having to fumble around trying to plug in a micro USB cable, LG will sell you the GPad Pack Plus. It's a dock for the tablet which includes a 4,400mAh battery.

By placing the X2 in the dock it acts as a stand while it charges. And because the dock includes a battery you don't need to leave it near a power outlet all of the time. The dock also includes a USB port and speakers, so it could enhance media viewing and allow for easier data transfers to and from a PC, for example.

There's no details on pricing or a release date, and there's a question mark over whether anyone would be willing to pay extra for a dock. Maybe the fact it's more than just a stand will entice people, but it's certainly an impulse buy meaning ultimately it will come down to price.