How would someone build a battery cycling circuit?

Memory effect is why you discharge batteries of certain types to as close to zero as possible and then recharge You normally do this approx 3 to 4 times

We had to do this all the time with mobile phone batteries which are prown to memory effect as the consumer always plugs in the charger when the battery is not flat or overcharges the battery and this is the symptom the battery develops

Are Li-ion batteries prone to memory effect? And, if so, can they be "resurrected" in this manner [or by some other method]?

Hi Steve I couldnt tell you without looking this up but I do know my above comment are true for cellphone batteries wether this is the case for lion batteries I coukdnt say Id have to research this I have however tried this with other batteries and know that most batteries can be rejuvinated. Inclusive some car alarm batteries found in both remote and main units

li-ion batteries have no memory effect .