DECHCB-5440 is a direct replacement part for DECHCB-5023. This is simply an update to increase compatibility to the newer Dell batteriesKeep your Dell Latitude Rugged Batteries fully charged with the Lind Electronics Modular Multi Bay Charger. Charge up to 16 batteries per charger with interchangeable battery bays for the Dell Latitude Rugged line of tablets. Lind battery chargers incorporate the highest degree of circuit protection to ensure your Dell batteries are charged properly.