Features: Experience advanced and precise charging with the B450AC Intelligent Balance Charger, enhances overall battery performances and safety through its balance charging technology, ensuring each cell is optimally charging. This charger boasts wide compatibility, supporting 2-4S Li batteries, perfectly for Remote control car, and aircraft enthusiasts who demand versatilitied and efficiency in their charging solution. For remote control model hobbyists, drones pilots, and electronics enthusiasts, this charger provides a professional solution to meet highly performed battery requirements. Whether preparing for a model competition, engaging in outdoor activity like drones photography, or conducting battery research in lab, the B450AC offers convenient and reliable charging option for various scenario. Equipped with intuitived LCD display, users can effortlessly monitoring charging status, current, voltages, and time, while safety features such as overloads protections ensure a secure charging experience. Specifications: Model: B450AC 2S-4S Li Battery Balance Charging Size：about 10.2x9x3.8cm/4.02x3.54x1.5in Component： Plastic Support：50W 5A Package Includes: 1Set B450AC 2S-4S Li Battery Balance Charging note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution