Daily Deal. Amazon is offering Up To 30% off a Range Of Saws and Leaf Blowers as part of their Fall Clean Up Sale. Shipping is free for Prime members or on $25+.
Amazon has the RAVPower 20,000mAh Dual-USB Power Bank (CA-RP-PB006) for $37 - $15 off coupon (Clip extra savings coupon applied at checkout) = $22 with free shipping. Features 2 iSmart USB 2.0 ports, up to 2.4-amp output for a single port (3.4-amp total), fully charged within 10 hours.
Has good Amazon Reviews.