Solar panels: 1.98W (5.5V, 360mA)  Built-in battery: Polymer Li-ion, 3.7V, 3000mAH Output voltage: 5.5V/8.4V/12V Output current: 1100 mA /1300 mA /800mA Input: 5.5V*1000mA Charge for phone: about 240 minutes Full Recharge Time  (SOLAR): about 7-9 hours Full Recharge Time (AC/COM): about 3.5 hours AC adapter: 5V, 1000mA;   Input interface: MINI USB, 5PIN Output interface: USB2.0 Size: 250 (L)  * 175 (W)  * 70 (H)  mm;   Weight: 0.8KG (including gift box)  Service life: Working in full recharge condition, built-in battery releases more than 500cycles, capacity than80% Short circuit protection, intelligent lock voltage Full or without electricity, micro current output: automatic shutdown.