Hyper27 5000mAh Integrated Connector Cable Dual Port Fast Charging Ultra-Slim Portable External Battery Charger Pack PowerBank built-in Micro-USB Cable for iPhone 6/5/4, iPad, iPod, Samsung Devices, Smart Phones, Tablet PCs - White

Awesome product. I bought this as a gift to my boyfriend who goes outdoor a lot and is never able to keep his cellphone alive for a full day. It works great for him so far -- a fully charge for his Samsung S6 and still plenty power left. I especially like the small pouch comes with it, so convenient to just keep the charger, phone, keys and cards together in your backpack.

Device has failed. Will no longer charge my cell phone. The device carries a full charge but will not transfer it to the cell phone. The device worked for about 10 or 12 sessions.