Exclusive to WFCO Converters, Power Centers, and MBAs feature new Patent Pending technology that will DETECT Lead Acid or Lithium Ion batteries and AUTOMATICALLY change the charging profile based on the battery. RV owners will no longer need to change out an entire converter or operate a manual switch to properly charge batteries.The WF-8900 Series has revolutionized RV power centers with its lighter weight, decorative doors and superior features. This series provides a clean, constant 13.6 volts DC nominal output range for reliable operation of electronics and appliances. Automatic three-stage charging extends the life of your battery, with output voltage modes of 13.2 volts DC range "float" mode, 13.6 volts DC range "absorption" mode, and a 14.4 volts DC range "bulk" mode. The 8900 Series is designed to offer quiet operation as the cooling fan runs only when needed. FCC Class B compliance for every power center model helps eliminate interference with televisions, radios or other signals. Electronic current limiting automatically shuts down power during overload or short-circuit conditions, protecting the life of your power center and electrical system. WF-8900 Series models provide AC/DC distribution with innovative features. They can accommodate a 30-amp main AC circuit breaker and up to five branch circuits. Eleven branch DC circuits are available with LED bulbs for each DC circuit, to illuminate and identify open circuits. Outer dimensions: 13.875"W x 11.625"H, 9"DRough opening:12.25" x 11" x 7.375"Lead Acid and LiFEPO4 compatibleOptimized charging profile based on battery chemistryInnovative processor system charges based on the need of the batteryContinuous monitoring provides superior performance and battery maintenance