Save $20 for 10000mah external battery, Free shipping@amazon

An message pop put when log into my account on amazon: " Save $20 for RAVPower 10000mAh 1A/2A Dual USB Output Power Bank! Free shipping! Only 100 pcs available! Start: 2012 Nov. 12th 3:00 PM(PST) End: 2012 Nov. 12th 11:59 PM(PST) Code: LGUTPNQA " Here it is the link: http://www.amazon.com/RAVPower%C2%AE-RP-PB04-Capacity-External-10000mAh/dp/B008FV350I/ref=sr_1_1?s=electronics&ie=UTF8&qid=1352711130&sr=1-1&keywords=rp-pb04