Replacement for Sony NP-FW50 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 andperformance. Green Extreme Batteries have no 'memory effect'. They can be charged and recharged without concern Easy to read LCD screen Compact size Location Freedom: Universal AC/DC input 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