HDB Tech Corp is a leading supplier for trendy consumer electronics device Li-Polymer battery, specialized on developing Universal External Li-Polymer Battery for laptop/NB, GPS, DV, DSC, D-DVD, PDA, PSP and other portable electronic devices.An innovative conceptual item ~ Universal External Power Bank ~ called V3 power bank, is newly developed from us! It features high capacity (24000mah/89W), high compatibility (multi &＃8211;DC outputs i.e. USB 5V, 5v/2.5A, 8-12/2.5A, 15-16V/6A, 19-20V/5A) and made by non-explosive cells from Japan or Taiwan (Li-ion polymer).