Laylax got their tough powerbank that you can bring to the field to help juice up your mobile devices and it's called the Dark Energy Poseidon Pro... "Introducing the mil-spec compliant mobile battery "POSEIDON PRO" used by the US military, FBI, etc.!

In stock at EB Airsoft right now is a Silicone Battery Case in the form of an M84 stun grenade. If you want to bring a powerbank that you can use in the field and will not make out of place then you can bring this. It can be used with two 16580 rechargeable batteries which are not included in the case.

G&P has a nicely designed Flashlight-powerbank combo that is designed for AEGs. Rather than the usual powerbank that can charge mobile devices, this is a rail-mounted Powerbank that can power front-wired AEGs and with the integrated flashlight, can be used as a weaponlight as well. You can choose between the 11.1v and 7.4 versions that are available right now on Evike.com.