power-innovation via Amazon offers the Maxboost Pulse 10,000mAh External Battery Pack with Digital Display in Black for $39.95. Coupon code "SDXPULSE" drops it to $24.95. With free shipping, that's $5 under our mention from last week and $13 below the lowest total price we could find for a 10,000mAh battery pack sold elsewhere. It's compatible with a range of devices and features a digital display and two USB ports.