... manual for future reference.EKONA 5000mah universal li-ion cell phone battery charger for 3g smartphone and ... power and electricity state.Specifications:1. Core type: li-ion polymer core, rechargeable, 500times above charging cycle,2 ... to check battery capacity. There is three LED button on shell surface means 30%, 70% and ... , iPad, iPhone etc:A. Switch on the button, B. Charge the iPad, please use the ...