2pcs IP5328P Bidirectional FastCharge Power Bank Module, 3.7 V to 5 V 9 V 12 V Boost Converter Board

Bidirectional FastCharge Power Management IP5328P supports bidirectional fastcharge operation; manages both battery charging and output discharging in one controller; coordinates voltage negotiation and power flow; simplifies portable power designs where efficient charge and discharge control are required; 3.7 V Battery Boost To 5 V 9 V 12 V Designed for a single 3.7 V lithium battery input; boosts voltage to regulated 5 V, 9 V, or 12 V outputs; supports multiple output levels from one cell; enables flexible power delivery for different load voltage needs; Integrated Charging And Protection Control Builtin charging management handles battery voltage limits, current control, and safety protection; reduces external circuitry; improves system reliability; supports stable operation during both charging and power output stages; HighEfficiency StepUp Conversion Design Boost conversion architecture delivers high power efficiency across supported output voltages; reduces energy loss and heat buildup; helps extend usable battery time; suitable for compact portable power solutions with limited space; Compact Power Bank Control Module Layout Small PCB exposes B plus, B minus, VIN, VOUT, GND, and EN pins; supports simple wiring and control; speeds up DIY assembly; compatible with common singlecell lithium battery based portable power projects