2600mAh Li-ion 3.8V replacement battery with built-in NFC chip, compatible with Samsung Galaxy S4 smartphones. Provides the same battery life as the original. Direct replacement for Galaxy S4 GT-I9500 and GT-I9505 models, compatible with the following part numbers: EB-B600BEBECWW, EB-B600BU, EB-B600B. Device compatibility :Samsung Galaxy S4 GT-I9500, Samsung Galaxy S4 GT-I9505 Features: • This battery has a capacity of 2600mAh, providing the same range as the original. •The integrated NFC module retains all the phone's contactless communication functions •It uses 3.8V Li-ion technology to guarantee stable, long-lasting performance •This model is compatible with the Galaxy S4 GT-I9500 and GT-I9505 smartphones.