For Monday’s iLounge Deal, you can pick up the ATECH 18,000mAh Power Bank with Smart Charge for only $39.99 — that’s 55% off the regular price. This high-capacity power bank lets you keep going all day with 18,000 mAh of fast charging power that can be delivered through a micro USB port, standard USB port, or even a Smart Charging USB port that adapts to your specific device’s charging protocol. Get the ATECH 18,000mAh Power Bank…