Lenmar “PowerPort Boost” Backup Battery and Charger for Android Smart Phones and Other Micro USB Powered Devices is 70% off right now at only $14.99. Shipping is free with your prime account or with a $25 Super Saver purchase.
• 1500mAh battery doubles your device’s battery life
• Charges Samsung, HTC, Motorolla, LG, BlackBerry and more
• Works with most phone cases for added convenience
• Compact and powerful unit is perfect for storage-Never run out of power
• Recharges via included micro-usb cable