Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 3.3 V and a maximum input of up to 2 A. Pololu 4940

Universal charger designed for 1-8S Li-Ion, LiPo, LiFe, LiHV, Pb and Ni-MH batteries. It has a built-in function for generating and measuring PWM, PPM and S.BUS signals. ToolkitRC M9

Battery capacity tester with green LCD display. It can work with lithium and lead-acid batteries

EXtreme CC31MU microUSB 3.1A power supply / car charger with an additional USB socket, allows you to charge phones, navigation, mp3 / mp4 players and connect Raspberry Pi computers

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 3.3 V. Designed for mounting on a PCB. Hi-Link HLK-PM03

Panasonic Eneloop PRO R03/AAA rechargeable batteries with a minimum capacity of 930mAh and a voltage of 1.2V. The set contains two pieces sold in blister packaging. Panasonic BK-4HCDE/2BE

Kinetic lithium battery CR1225, 5020LC, ECR1225 1 pc.

Charger module for two cells of Li-Ion batteries. It can charge with a current of up to 0.55 A with a charging voltage of 8.4 V. Powered by a USB type C connector

DC-DC Step Down converter module with input voltage from 7 to 24 V and output voltage of 5 V. Can supply currents up to 4 A. DFRobot DFR0831

HAT adapter for PoE supply for Raspberry Pi 3B+ and Raspberry Pi 4B. It allows you to use the PoE interface to power the Raspberry Pi via an Ethernet cable, eliminating the need for a separate power supply. Uctronics U6110

Li-Ion 18650 battery with a nominal voltage of 3.6V and a capacity of 3500mAh. It has protection against overcharging, excessive discharge, overload and short circuit.

Li-Po battery with a rated voltage of 3.7 V and a capacity of 800 mAh, equipped with a PCM protection and a 2.5 JST-RCY connector and socket. Akyga LP453350

Universal device for checking the battery condition with a built-in balancer and the function of analyzing PWM, PPM and S.BUS signals. The device can handle Li-Ion, LiPo, LiFe,LiHV, Ni-Cd and Ni-MH battery packs from 1S to 8S. ISDT BattGo BG-8S

Li-Po battery with a rated voltage of 3.7 V and a capacity of 1200 mAh, equipped with a PCM protection and a 2.5 JST-RCY connector and socket. Akyga LP883440

Pololu 5V Step-Up/Step-Down Voltage Regulator S7V7F5

AC/DC power adapter with a power of 180 W and an output voltage of 19.5 V. It is equipped with an output with an XT60 plug and is designed for universal chargers with an XT60 connector, e.g. ToolkitRC M6. ToolkitRC ADP180

PoE power distributor with USB type C output with a voltage of 5 V and performance up to 2.5 A. It is fully compatible with PoE devices with the IEEE 802.3af standard. Waveshare POE-SPLITTER-TYPE-C

IMAX B3 AC is a compact mains charger for LiPo (lithium-polymer) 2S 7.4 V and 3S 11.1 V packages with a built-in balancer

A handy way to power 12V powered devices with a center-positive 2.1mm DC barrel jack from a USB port. Adafruit 2778

Step-Up/Step-Down converter module based on the S13V10F5 system. It has an input voltage from 2.8 to 22 V and an output voltage of 5 V. The current efficiency of the converter is up to 1 A. Pololu 4083