We are continuously testing all of our batteries to see if they charge every cell phone and are trying to greatly expand our collection of phones for our testing lab.
If you have an old phone sitting in a drawer and it turns on, send it to us! Newer models are great, but we’ll also take that old Nokia that could be thrown out of your car and still keep working. We’ll cover your postage and give you a $10 coupon towards your next purchase.
Our address for old phones is:
Voltaic Systems
155 Water Street
Brooklyn, NY 11201
If you’d like payment for postage, just include your PayPal address with your phone and we’ll send you payment and coupon code as soon as we get it. We’ll cover up to $4USD in postage.
PLEASE DO NOT SHIP FROM OUTSIDE OF THE UNITED STATES.

To whom it may concern:
I am interested in both your take back (for my old voltiac backpack so I can upgrade) and this old cell phone program. However I am in the military and am currently living in Japan. I noted that on the program discription it states to not send from outside the US. I am currently stationed in Atsugi NAF (Naval Air Facility) in Japan and have an FPO AP address. Considering that FPO AP address is always written in as within the United States. I would like to know if I am able to send my old voltiac backpack so I can upgrade to a newer model as well as one or two of my old cell phones (I currently have five to myself but am only using one… lol, I just never throw them out) from my FPO AP address. If this is not possible please let me know. You may send your reply at my military e-mail address: ***redacted***
Respectfully,
***redacted***
Emailing you now with details…