Compatible Models: Google Nexus 7, 9, 10 Tablet Tab; Samsung Galaxy Tab 3, 4 7.0, Note 8.0; Nexus S Phone ; Asus Memo Pad 7, 8, 10 Hd FHD Smart, Asus Transformer Book T100ta; Galaxy S2, S3, S4, S6 Edge; HTC Phone / Anker Astro E3 E5 E7, Mini, Slim2, Slim3, Astro3e, 2nd Gen Astro E4, Astro 3 Slimtalk / Kmashi / RavPower / Intocircuit / PNY PowerPack / PwrBlast / New Trent / Limeade / Jackery Bar Mini, Giant+ / Easyacc / PowerGen / PowerBot / Aukey / Zilu / Mophie Juice Pack / Lepow / Lumsing / Poweradd / Dynex External Battery Pack Portable Universal USB Power Bank Backup / Adapter Rating: World Wide 100V ~ 240V 50/60Hz / High Quality /Transformer / All Products are tested to exceed/meet standard specification /OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) / FREE SHIPPING BOTH WAYS / 2 YEAR FREE REPLACEMENT WARRANTY