Amazonhas the ZVOLTZ Apple iPhone 6 Battery Case for a low$24.99after Coupon Code: "K7YUNVSC" (exp soon). Free Shipping on orders $35+ or with Amazon Prime. Tax in many states. This is currently on sale for $34.99 ($69.99 list), so you are saving an extra 28% after coupon. Amazonalso has the Apple iPhone 6 Plus Case for a $29.98 after Code: "Y68WAJ6K" (exp soon). This is on sale for $44.98, so you are saving an extra 33% after coupon. Apple iPhone 6 case has a built-in 3100mAh battery (iPhone 6 plus: 4000mAh) Built-in LED battery levelindicator;Sync-through technolog (charge through case) Also includes: MicroUSB charging cable and audio jack extension 1 year warranty