Black & Decker VP110 VersaPak Gold 3.6-Volt 2 Amp Hour NiMH Gold Battery Durable and long lasting Provides efficient use Last 60% longer than standard batteries Compatible with each and every Versa Pak tool Compatible with each and every VersaPak tool Provides 60-Percent more run-time per charge than Black & Decker's silver VersaPak batteries Supplies up to 300 recharges Weighs 8.0-Ounce Includes a 2-year home use warranty B&D Customer service number: 1-800-544-6986 (Mon-Fri 8:00am  5:00pm EST) B&D customer service website link: http://www.blackanddecker.com/Customer-Service.aspx