Compatible with Nikon EN-EL24 camera battery | Smart LED indicator: light display the charging status, no-load(blue), charging(red), fully charged(blue) to prevent overcharging. | Ultrathin and lightweight design: only 2cm thick, Portable and save place, convenient for family, travel, trip and outdoor exercise. | Powered by USB chargers: include laptop, PC, power bank, USB wall Charger, USB travel charger, USB car adapter etc, Keep enough power, never miss any wonderful moment. | Qickly and safely charge, easy to use.