Lithium Battery Protection Board 3S 4S 18650 25A Overcharge Protection

$5.42

Lithium Battery Charging Module TP4056 1A 3.7V with TYPE-C USB Interface

$1.71

Power Module 220V to 5V/3.3V/9V/12V/15V/24V AC-DC Isolated 3W

$4.87

Mini Type-C Power Bank Motherboard with 3.1A Output

$2.30

Step-Down Power Module AMS1117 Voltage Regulator Board

$3.79

DC-DC Step-Up Voltage Regulator Module 2A Input 2-24V Output 5/9/12/28V Adjustable

$4.15

Battery Charging Module 2S/3S/4S 1-4A

$0.91

DC-DC Step-Down Module 3A 6V-30V to 3.3V/5V/9V/12V

$1.50

DC-DC Step-Down Module 5V-16V to 4.2V/5V 4A

$8.14

Lithium Battery Module 3.7V 18650 Adjustable Boost for Multimeter

$2.53

Switching Power Supply Converts 100V/450V AC to 5V/12V DC Compact Size

$4.80

Voltage Regulator Module DC 3.3V 5V Adjustable for Smart Car Competitions

$9.36