Splitter POE 12V / 2A ideal for powering CCTV cameras and network equipment. The converter allows you to supply devices with 12 V voltage using energy transferred via Ethernet network using Power Over Ethernet technology (PoE IEEE802.3 AF / AT). The adapter also allows you to connect to the ethernet network at a speed of 10 / 100Mbit. Model Hi-P05-B

Module based on the TPS2116 enabling automatic switching between two 1.6 - 5.5 V power sources with output through a USB Type-C connector, without USB priority, supporting up to 2.5 A continuous current and reverse current blocking. By default, it selects the higher input voltage with the option to switch between VIN1 and VIN2 by control signal. Pololu 3729

Module based on the TPS2116 enabling automatic switching between two 1.6 - 5.5 V power sources with output through a USB Type-C connector, with USB priority, supporting up to 2.5 A continuous current and reverse current blocking. In priority mode, it prefers USB power with the option to switch between VIN1 and VIN2 by control signal. Pololu 3728

Step-down voltage regulator module based on the APM81815 providing a fixed 12 V output at up to 0.8 A with an input voltage range of 12.1 - 72 V. Pololu 5269

Step-down voltage regulator module based on the APM81815 providing a fixed 5 V output at up to 1.1 A with an input voltage range of 5.05 - 72 V. Pololu 5267

Sunflower: Solar Power Manager 5V is a compact, high-power solar power module with a 5V output voltage. DFRobot DFR0559

Step-down voltage regulator module based on the APM81815 providing a fixed 3.3 V output at up to 1.1 A with an input voltage range of 5 - 72 V. Pololu 5266

The converter allows you to supply devices with 12V voltage (DC 5.5x2,1) by means of energy transferred through an Ethernet network using Power Over Ethernet (PoE) technology. The adapter also allows you to connect to the network at a speed of 10 / 100Mbit

Basket for six 1.5V batteries of AA type (R6) connected in series (9V), terminated with a 2.1mm DC connector. Connection wires 20 cm long.

The S9V11MA switching step-up/step-down regulator efficiently produces a finely adjustable output between 2.5 V and 9 V whether it is higher or lower than the input voltage, which can range from 2 V to 16 V.  Pololu 2869 

ER26500 lithium battery (C size) with a nominal voltage of 3.6V and a capacity of 8500mAh, manufactured using Li-SOCl₂ technology, designed for long-term powering of electronic devices. Akyga AKY1997

The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3 V (default) or 5 V (selectable) output whether it is higher or lower than the input voltage, which can range from 2 V to 16 V. (Note: minimum start-up voltage is 3 V, but it operates to 2 V after that.)

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40 V and efficiently reduces it to 6 V with an available output current of around 15 A. Pololu 2882

Step-Down DC-DC converter module based on the D24V150F7 chip. Input voltage 9..40V, output voltage 7.5V (max 15A). Pololu 2883

Lithium-polymer Li-Po battery with a nominal voltage of 3.7V and a capacity of 560mAh, equipped with a PCM protection circuit with an NTC temperature sensor and a lead with a 3-pin Molex 1.25 connector, 80mm long. Akyga AKY0833

Device for discharging LiPo, LiHv, LiFe, LiIon packets. Supports packages from 2S to 8S with a maximum discharge power of 80 W. ISDT FD-100

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

A set of MT30 connectors (male plug and female socket with covers) with a maximum current of 30 A. It will be perfect as a connector for connecting motors and ESC regulators. Amass MT30

Li-Po battery Akyga AKY0156 3.7 V 2500 mAh with PCM circuit and wire terminated with 2-pin JST connector enables safe and compact powering of portable devices. Suitable for applications requiring a flat format and high energy density. Akyga AKY0156