A dealmac exclusive! Tanga offers the uNu ECOPAK Protective Snap-on Case and Detachable Extended Battery for Apple iPhone 5 in 20 colors for $24.99. Coupon code "DEALNEWS" cuts it to $23.99. With $3.99 for shipping, that's $1 under our February mention and the lowest total price we could find by $12. The 2,500mAh lithium polymer battery purports to double battery life. It also features an LED battery life indicator and includes a micro USB cable. Deal ends April 19 at 10 am ET.