Black & Decker Start-It Jump-Starter; 450 AMP Instant Starting Power; 12 Volt DC Power Supply Portable * Cordless * Rechargeable Features: Keyless On/Off safety switch; High density, 19 amp hour sealed lead acid battery; Rechargeable with supplied AC and DC charging adapters; 27 heavy duty welders type cables and clamps; Reverse polarity warning alarm; 12 Volt vehicle accessory outlet; LED emergency work light