Anker is offering its 13000mAh power bank with dual-USB output for just $25 at Amazon with coupon code WRS5DIQV. That's right, you can save $8 on this large battery pack that will provide you with enough power to charge your phone, tablet or just about any other electronic. In addition to being a power source for your electronics, it can also double as a flashlight thanks to the built-in LED.
The coupon code of WRS5DIQV will be needed to get you the full savings here. Unfortunately, it appears to only be valid on the black and red or black and yellow units. Don't wait too long, as we don't know when this deal will end.