Method and circuitry to adaptively charge a battery/cell

A system for charging batteries, comprising:

• monitoring and control circuitry configured to:
• (a) monitor, via measurements of a terminal voltage of a battery taken at a first rate, the terminal voltage of the battery undergoing a charging process, wherein monitoring the terminal voltage of the battery comprises determining whether at least one measurement of the terminal voltage is greater than a predetermined upper limit value;
• (b) repeatedly determine, at a second rate, whether to adjust at least one characteristic of the charging process based at least on a characteristic of the battery that indicates a State of Health (SOH) of the battery, wherein the second rate is less than the first rate;
• and
• (c) adjust the at least one characteristic of the charging process based on the determination in (b).