Black Diamond Nrg2 Battery Kit For Orbit Lantern Battery Charger Black diamond BD620540DGRYALL1 Nrg2 AAA pack Battery recharger w/intl. Adaptors Black diamond BD620540DGRYALL1 Nrg2 AAA 4 pack Battery recharger w/intl. Adaptor NiHM Battery kit for the Orbit Lantern 3 LEDs indicate power status and remaining battery power Much like a mobile phone, the unit plugs directly into a wall adapter for simple, one-step charging