The Clore Christie Multi-Tech Fast Charger, No. QMT, provides high performance battery charging to a wide variety of battery types, including conventional, AGM and gel cell batteries. The QMT offers three charging rates for each battery type, including a 70-amp fast charge rate for quick vehicle service, and 250-amp engine starting assistance to boost vehicles with impaired starting capability. Exclusive Voltage Spike Protection and Automatic Reverse Polarity Protection features prevent damage to the vehicle computer and other electrical systems due to reverse connections and electrical surges or spikes.