Huawei recently outed the Ascend Mate 2 with a colossal 4,000mAh battery that can actually charge other devices, and it's now brought that tech to a mid-range handset. The 5.5-inch B199 is a successor to the A199, and packs similar specs: a 720p screen, 2GB of RAM, 16GB of storage (expandable via microSD slot), dual SIMs (3G only) and a quad-core processor. The new model, though, has a Snapdragon, rather than a Huawei K3V2 CPU and also carries a much larger battery: 3,000mAh instead of 2,100mAh. Huawei says that'll power the phone through long browsing sessions and even let you charge other devices -- though it'd be odd to be packing another cellphone when you already have one with two SIMs. And given those dual SIMs, we'd not expect the $330 phone to be available outside China and similar markets.