Staples offers the Acesori 2,600mAh USB Power Bank in seven colors (Sky Blue pictured), model no. A-STK, for $6.99. Plus, Staples Rewards members receive free shipping. (Not a member? It's free to sign up.) That's $53 off list and the lowest price we could find. It features 5-volt/1-amp output, LED indicator, and sleep mode. Deal ends March 3.
Liger Electronics via Amazon offers Prime members the Liger 33-watt 6-Port USB Desktop Charger in White for $14.95 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $6.52.) That's the lowest total price we could find by $8. It's compatible with most USB-charged devices and features simultaneous charging from all six ports.
AnkerDirect via Amazon discounts a selection of its external batteries and chargers via unique coupon codes, as listed below. Plus, Prime members receive free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it starts at around $6.) The deals:
Good Guy Electronics via Rakuten offers the LifeBox UltraCharge 16,800mAh Portable Power Bank and Car Jump Starter for $74.99 with free shipping. That's $3 under our mention from earlier today and the lowest total price we could find by $3. It features a jump start cable, USB adapter cable, mini USB plug, microUSB plug, AC charger, DC charger, and eight laptop power plugs.
MobileCityOnline via Amazon offers Prime members the Jarv TANK Military Grade 7,800 mAH Outdoor Charging Bank for $27.95 with free shipping. (Non-Prime members can spend $35 to bag free shipping; otherwise, it adds $6.63.) That's $52 off list and the lowest total price we could find. It's waterproof, shockproof, and features 2.1-amp USB output for fast charging.