Compatible Models: Seagate SRD00F2 ST3200823A-RK, Seagate SRD0SD0, Seagate P/N 9SF2A4-500, WA-18G12U Blackarmor Ws 110; Seagate Central 2 3 4TB: STCG2000100, STCG3000100, STCG4000100; Seagate Backup Plus: STDT2000100, STDT3000100, STDT4000100, STDT5000100, STDT6000100, STDT8000100, STDU3000101, STDU4000100, STBV4000100, STEB2000100, STEB3000100, STEB4000100, STEB5000100; Seagate ST30000CB, ST30000U2, ST302504FDA1E1-RK, ST303204FDA1E1-RK, ST303204FDC1E1-RK, ST303204FPA1E2-RK, ST303204FPA1E3-RK | UL / CE / FCC Certified: This Adapter Was the Perfect Replacement Which Made with the Highest Quality Materials and Tested by Manufacturer to Match or Exceed Specifications of OEM Products / UL Certified E472660. | Input:100-240V 50-60Hz; Output:12V 2A. | Intelligent Circuit Design Always Protect Devices and Charger from Over-Charged, Over-Current/Voltage or Short Circuit. Designed for Portability, Stay Charged Wherever You Go: Travel, Work, Home. | Guarantee: TPLtech Products Have 30 Days Money Back Guarantee and Up to 1 Year Warranty Period.