... 20 to 30years 3.Best cost performance ratio 4.wide applicat Specification: 1, Polymer Lithium-ion ... input port is standard micro USB,support the charging from any kinds of 5V USB power 4, Mini USB 5V/ ... is opptional. 5, Mini USB input: 5V 1000mA to 2000mA Mini USB output: 5V 1000mA 6.The ... 9,Whole set including: Universal power x1pcs, Mini USB cable x1pcs, Connectors *4pcs( other is opptional Solar ...