Phoenix Charger - 12V - 30A (2+1) - 120-240VACAdaptive 4-stage charge characteristic: bulk - absorption - float - storage. Two full rated outputs and one 4 Amp output. Universal input 90-265V, 50/60Hz. The Phoenix charger features a microprocessor-controlled adaptive battery management system that can be pre-set to suit different types of batteries. The adaptive feature will automatically optimize the charging process relative to the way the battery is being used. Please contact your dealer for any returns, repairs or support issues related to this product.