The everActive UC-4200 smart charger for cylindrical cells and 9V batteries offers broad compatibility, numerous testing functions, and precise charging for various battery types. Equipped with a clear display and comprehensive safety features, it is suitable for both home use and professional workshops.

The S9V11F3S5C3 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 3 V to 16 V. The regulator also has fixed 3.3 V low-voltage cutoff with hysteresis that can be used to prevent battery over-discharge.

The LM7806 6 V 1.2 A linear stabilizer module is a reliable and easy-to-use voltage stabilization solution for all electronics projects. Thanks to its solid construction, built-in protections and high efficiency, this module provides a safe and constant 6 V power supply, being an invaluable component in the work of every electronics engineer

A universal travel adapter that converts power sockets from different regions, allowing you to power devices in the range of 110-250V at a current of up to 10A. Akyga AK-AD-61

Universal power adapter 5.0V / 6.0A 30W 4x USB A 1.5m. Akyga AK-TB-05

Adapter allows you to connect devices with a plug from the USA, Europe and Australia in an English socket. Operates up to 250V and 10A, has no fuse or ground and is not a transducer. Akyga AK-AD-59

The Akyga AK-PD-23 power supply is a dedicated solution for users of Braun Series 7 shavers who need an efficient and safe charger. With carefully selected technical parameters and robust construction, the power supply guarantees long-lasting and stable operation of the device, while its long cable and compact size ensure convenient use in all conditions.

Universal power adapter Akyga AK-TB-34 5.0V / 2.0A 10W 3.5 x 1.35 mm 1.5m

Akyga AK-CH-19 40W 2x USB-C 20W PD Quick Charge 3.0 5-12V / 1.67-3A wall charger white

This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input voltages up to 50 V and efficiently reduces them to 9 V while allowing for a maximum output current of 600 mA. It has a very low dropout, so it can be used with input voltages that are within a few hundred millivolts of its output.

Step-Down DC-DC converter module based on the D24V150F9 chip. Input voltage 11 ... 40V, output voltage 9V (max 15A). Pololu 2884

Holder for 3 AA R3 batteries with a flap and a switch is an ideal solution for people who need a simple and reliable way to connect AAA batteries to obtain a voltage of 3 V

The Akyga® AK-ND-80 USB-C power supply is the perfect solution for users seeking a universal, lightweight, and efficient power source. Thanks to support for Power Delivery 3.0 technology and the use of GaN (gallium nitride) technology, the charger combines high efficiency, compact dimensions, and reliability, meeting the expectations of both home users and professionals.

Rechargeable NiMH Battery Pack: 8.4 V, 2200 mAh, 4+3 AA Cells, JR Connector

Battery charger Blow 12V/10A – 24V/5A is an advanced device designed for charging and maintaining a wide range of batteries used in vehicles and battery-powered devices. Automatic modes that adjust charging parameters, a built-in LCD display, and a battery regeneration function make this charger an ideal tool for both individual users and professionals. It is suitable for passenger cars, trucks, motorcycles, boats, and emergency power systems.

DC-DC step-up/step-down voltage regulator module with an adjustable output voltage range of 9 V – 30 V and an input voltage range of 2.9 V – 32 V. The circuit automatically boosts or lowers the input voltage, allowing it to power devices even when the supply voltage fluctuates significantly. The regulator can deliver up to 2 A output current, with a typical efficiency of 80–90%, and features an ENABLE pin for low-power operation. Pololu 2573

DC-DC step-up/step-down voltage regulator module that stabilizes the output voltage at 6 V with an input voltage range of 2.9 V – 32 V. The circuit automatically increases or decreases the input voltage, allowing it to power devices even when the supply voltage varies significantly. The regulator can deliver up to 2 A output current (when the input voltage is close to the output voltage) and offers a typical 80–90% efficiency, making it suitable for battery-powered systems and embedded projects. Pololu 2575

The Verbatim Universal Travel Adapter can be used in over 180 countries - take it with you and you\'ll never run out of power. This global-to-global plug adapter allows devices to be connected to any local power source anywhere in the world. Thanks to it, you can safely charge your devices that require power, such as laptops and camera batteries. Two USB-A ports at the bottom allow you to charge all your USB devices, including smartphones, Bluetooth speakers, tablets, power banks and e-readers.

Solar energy management module dedicated to LiPo 3.7V batteries. It can work with photovoltaic cells with a voltage from 1 to 3 V. The set includes a 2 V 160 mA solar panel. DFRobot DFR0579