Samsung SCH-i839 Replacement Battery 3.7V 850mAh Li-ion Warranty:Warranty 2 Year the sag is deep enough

the sag is deep enough to cause the radio stack to reset — which the OS reports as a dropped Wi-Fi connection rather than a power event

The old cell's cliff profile sits at a different voltage than the new one

high-quality batteries provide a direct

the OS recalibrates around the reduced actual capacity

Samsung SCH-i839 Replacement Battery 3.7V 850mAh Li-ion Warranty:Warranty 2 Year the sag is deep enoughSamsung SCH i839 3. 7V Li ion Replacement Battery This is a 3. 7V 850mAh Li ion replacement battery for the Samsung SCH i839. It fits the SCH i839 directly and restores power to calling, messaging, and standard phone functions. Capacity is 850mAh (3. 15Wh), matching the original cell specification. SCH i839 fit: The SCH i839 uses a 3. 7V single cell Li ion pack with a three contact connector. This replacement matches that connector pinout and voltage