Green Extreme BLH-1 Battery Features Replacement for EOS Battery 100% compatible with the latest camera and device requirements Manufactured with high grade energy cells and materials to ensure a long battery life Internal battery pack smart chips regulate and maintain voltage, temperature, and performance Green Extreme GX-CH2 Dual Smart Charger Base Features Easy to read LCD screen Location Freedom; Universal AC/DC input and USB output Wide Range Compatibility; The charger can work with batteries of various voltages using different adapter plates Flexibility; One charger for all your devices Intelligent Control; The charging microprocessor can automatically identify a battery's voltage, and use intelligent charging technology to prevent overcharging Boost Feature; Wake Up feature reactivates and charges batteries that have been excessively depleted. The charger uses a small charge to activate the existing reserve, and then begins normal charging