LiPoChargerWBoost TP4056 CV/CC Charger with protection with a 5.1V boost 5V DC in at 1A Output by my design is 5.1V - can be adjusted with R6-R7 volage divider Vout = Vref X (1 + (R6/R7)) where Vref is 0.6V 5.1V = 0.6 x (1+(7.5/1)) 0.6 x 8.5=5.1V