Datasheet

Test Procedure
2-3
Test Summary
4) Once the battery reaches the voltage limit (4.1 V or 4.2 V), the bq2420x
begins the voltage regulation phase of the charge.
5) The battery remains at the fast charge mode until either the charge timer
expires or taper current is detected.
6) If the battery discharges down to the recharge threshold, the charger
starts fast charging.