About Ampeak: With 24 years of experience in automotive business and perfect supply chain system, AMPEAK has been dedicated to providing the most specialized and sophisticated automotive electronic products, and focusing on the development of high quality products. Certificated by UL. Reconditioning Function: It adopts high voltage up to 15.8V to stimulation battery, mainly for the bad battery caused by short circuit or low-softening plate. The working cycle is 5 cycles, each cycle is 4 hours. If the charger test concludes that the battery (using the object) is still less than 12V after the repair cycle, the dead battery is determined. Specification: Rated input voltage: 110V AC/60Hz Input current: 3.5A Rated output voltage: 12V DC Output current: 2A/8A/15A/Auto Working temperature: 32°F (0°C) - 104°F (40°C) Warnings: For12V battery, not applied for 24V battery Do not charge a frozen or dead battery. Do not smoke or allow a spark or flame near the battery or engine. Do not expose this product to water, rain, snow, condensation, or spray. The reconditioning function doesn't apply for a frozen or dead battery! What’s in the Box: 1 x Ampeak Smart Battery Charger 1 x DC Output Cable with Clip Connectors 1 x User Manual Intelligent microprocessor monitors the attached battery's voltage level from the moment it is connected, using this ever-changing data to improve the charging system's multi-stage charging cycle, resulting in quicker charge times and a lessened chance of damage due to overcharging. Charger adopts high voltage up to 15.8V to stimulation battery, mainly for the bad battery caused by short circuit or low-softening plate. The working cycle is five cycles. If the charger test concludes that the battery is still less than 12V after the repair cycle, the dead battery is determined. Unique handle adopts Arc design, with high comfort, has good ergonomics that minimize the possibility of experiencing aches and cramps. Features with one cooling fan and reliable cooling vent to disperse heat and increase charging efficiency. When the charger is in constant current and constant voltage, the cooling fan would works. Applies the technology of ABS material, great insulation, anti-falling, sturdy and durable. It is easy and convenient to use and store alligator clip and power cord.