Module with LM2596 step-down converter and LM2577 step-up converter. The inverter has a battery and battery indicator with constant current

The ToolkitRC adapter enables convenient connection of XT30-equipped batteries to XT60-output chargers and devices. A practical solution for flexible power configurations in electronics and RC applications.

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

Monocrystalline Solar Panel is a monocrystalline solar panel with 5V output voltage and 1A current efficiency of 27.5 x 16 x 0.2cm. DFRobot FIT0601

Module with a single-purpose LiPo charger and Step-Up converter with an output voltage of 5 V and current efficiency up to 1 A. SparkFun PRT-14380

BatteryIndicator-B is a lithium battery charge level indicator for 1S-8S packs with a blue segmented LED display. It enables quick voltage level assessment based on threshold values corresponding to the number of cells

3-AA Battery Holder

Rechargeable NiMH AAA Battery: 1.2 V, 900 mAh, 1 cell

Module with a single-purpose LiPo charger with adjustable charging current in the range from 15 to 500 mA. It is equipped with a JST PH connector, pins and a 2450 type socket. SparkFun PRT-14380

Step-Up converter U3V70A with an output voltage from 4.5 to 20 V, an input voltage from 2.9 to VOUT and a maximum output current of 10 A. Pololu 2890

The ToolkitRC TK41400 adapter splits a single XT60 input into two XT60 male outputs. It facilitates power sharing for RC systems without the need for soldering or additional cables. Ideal for setups requiring multi-device power distribution from a single battery.

Step-Down DC-DC converter module based on the D36V6F5 chip. Input voltage 5.2..50V, output voltage 5V (max. 600mA). Pololu 3792

Rechargeable NiMH Battery Pack: 6.0 V, 900 mAh, 5x1 AAA Cells, JR Connector

The LM2596 module with an adjustable step-down converter is a versatile tool for powering and testing electronic circuits. It allows convenient voltage adjustment with precise parameter monitoring thanks to the built-in voltmeter. Ideal for prototyping, laboratory experiments, and service work.

The Akyga AKY1970 alkaline battery (AAA, LR03) with a voltage of 1.5V and a capacity of 1300 mAh provides long-lasting power for everyday devices. The package contains 10 batteries, making it an economical solution for users needing a reliable power source.

Holder for 4 AA R6 batteries with a flap and a switch is an ideal solution for people who need a simple and reliable way to connect AA batteries to obtain a voltage of 6 V

The Akyga® AK-SC-E18 adapter enables fast charging of electric vehicles with a CHAdeMO connector at European charging stations equipped with CCS2 plugs. Thanks to its high-performance specifications, durable construction, and compliance with international standards, it is an essential accessory for owners of EVs imported from Asia and the USA, such as the Nissan Leaf or Mitsubishi Outlander PHEV. The adapter supports DC fast charging up to 250 kW, ensuring convenience, safety, and full compatibility with European charging infrastructure.

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 

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.)