SparkFun Forums

[ko4nrbs]

When fully charged does the Sunny Buddy Solar LiPoly charge board disconnect the Solar Panel from the battery to prevent the battery from being under a float charge of 4.2 volts?? A float charge of 4.2 volts would be damage the battery long term, correct?
Bill

[jremington]

Authoritative reference for charging Li-based batteries: http://batteryuniversity.com/learn/arti ... _batteries

The behavior of the LT3652 chip used in the Sunny Buddy is complicated, but probably the best you can do:
http://cdn.sparkfun.com/datasheets/Prot ... LT3652.pdf