To receive coupon for one Spektrum 22.2V 5000mAh 6S 30C Smart LiPo Battery: IC5 (SPMX50006S30 ) at 50% off, you must purchase one or more Eflite Carbon-Z T-28 Trojan 2.0 BNF Basic (EFL013550) or PNP (EFL013575) between January 26th and February 23rd. Coupon will be sent via email on 2/24 and good 2/24-3/2. Not applicable to taxes or shipping fees. No adjustment of previous purchases. This promotion cannot be redeemed for cash or cash equivalent. Prices, availability, and specifications are subject to change without notice.