1pcs AA/AAA Dry Cell To Lithium Battery Power Supply 3V-4.2V to 1.5V/3V Charging Discharging Microcontroller Conversion

Semi-finishedproduct : No High-concerned chemical : none Electronic : No DIY Supplies : Electrical Brand Name : Stlxy Origin : Mainland China Output Voltage : 1.5V

Input voltage: DC 3.0V~4.2V, compatible with single string 3.7V 18650/14500 ternary lithium batteries Optional output: DC 1.5V/3V, analog AA No. 5, AAA No. 7 dry battery standard voltage Topology scheme: Low voltage synchronous voltage reduction/boost voltage stabilization, low voltage difference, low static power consumption Working mode: Continuous voltage stabilization with lithium battery power supply; Paired with a charging management chip, it can achieve integrated charging and discharging Applicable chips: various low-voltage microcontrollers, passive sensors, wireless transmission modules Load characteristics: The output voltage does not drop significantly with the decrease of lithium battery power, solving the problem of voltage drop in the later stage of dry batteries Usage scenario: Directly built-in into devices using AA/AAA batteries to achieve rechargeable transformation of the device Static power consumption: Low no-load current, suitable for long-term unmanned operation of low-power equipment Input voltage: DC 3.0~4.2V for single cell 3.7V lithium battery. Optional fixed output: 1.5V / 3V, simulates standard AA & AAA dry cell voltage. Adopt low quiescent current regulator, ideal for low-power devices. Output voltage remains stable as lithium battery discharges. Works for microcontrollers, remote controls, thermometers, timers and wireless sensors. Enables regular dry-cell powered equipment to be upgraded to rechargeable lithium power. Compact PCB for built-in installation inside battery compartment. Notice: Select correct output version; match positive/negative polarity during installation. label:yes