· How to choose? Please make sure battery model(on the label of your battery, Not camera) in this list: BP1310, BP1310EP.· Convenience: can be used indoors and outdoors by USB chargers, include laptop, PC, power bank, USB wall Charger, USB travel charger, USB car adapter etc.· Know Charging Status: light display the charging status, no-load(blue), charging(red), fully charged(blue).· Portable: only 2cm thick, ultrathin and lightweight design, save space, convenient for family, travel, trip and outdoor exercise.· Keep enough power, never miss any wonderful moment.