BIRUGEAR Black USB Wall Travel Spare Battery Charger with LED Light for AT&T Samsung i997 Infuse 4G Brand new generic Samsung Battery Charger. The Samsung Battery Charger rapidly charges your spare battery giving you unlimited time to talk, text or email Convenient, lightweight traveling solution. The compact and durable design makes it convenient to charge your spare battery at home or in the office. Input:AC 100~240V. Output:DC 4.2V. Battery not included.