All in one integrated power pack for iPhone4/4s. Order the KIT version here through Shapeways OR order completely assembled versions through our website at www.custompowersolar.com. Case holds iPhone, extended life 2500mah battery, and electronics to extend operating time an additional 1.5X. Includes electronics, replaceable battery and external rapid charger. iPhone 4/4s slips into top of case, and the charger and battery are hidden behind phone. Solar module option re-charges anywhere in full sun. Easy to carry solution for extending iPhone battery life. Kit version includes battery & electronics with self-adhesive backings that incorporate into case. Some assembly required, assembles in seconds. No tools required. IMPORTANT! MUST fill out shipping address in order to have battery & electronics sent to you. Go to www.custompowersolar.com/contacts.htm Copy & paste link to your browser.