The WP12-BS PowerSource battery is a universal replacement battery for the following models: EF3000iSE, EF3000iSEB, EF4500iSE, EF5500DE, EF6300iSDE, and EF7200DE models. It is a Gel Mat (NOT ACID FILLED) battery. PowerSource WP Series batteries feature a completely sealed and maintenance free design. Factory pre-charged and Deep Cycle capable of up to 800 cycles for a typical user. Travel and shipping is made easy by being approved by the FAA, CAB, IATA, DOT, air transport and UPS.