Shunt regulator with a fixed voltage of 26.4V, bypass resistance of 2.8 Ohms and a total of 32 SMT bypass resistors on both sides of the PCB with the possibility of adding an external potentiometer to adjust the preset voltage. Pololu 3775

Charger for electric vehicles (e-bikes, electric scooters) with an output voltage of 42 V and a current of up to 2 A. Akyga AK-EV-10

Switching power supply with a power of 35 W, output voltage of 5 V and current of 7 A. It has built-in overload and short-circuit protection and a low profile housing. Mean Well LRS-35-5

Charger for electric vehicles (e-bikes, electric scooters) with an output voltage of 54.6 V and a current of up to 2 A. Akyga AK-EV-09

Step-Up/Step-Down converter with an output voltage of 3.3 V, an input voltage of 2.5 to 15 V and a maximum current of 600 mA. DFRobot DFR0568

The BMS-3S-60A-INV board is designed for 3S lithium cell packs with a voltage of 12 V and a high current load. It is used in voltage converters and installations requiring reliable battery protection

Classic ungrounded splitter with three flat sockets for 2P plugs, with a maximum load of 7.5A (2.5A per socket). Vorel-72401

The Yato YT-81240 construction extension cord is a reliable tool for use in difficult outdoor and indoor conditions, ensuring safety and durability. Yato YT-81240

The XTAR VC2 charger is a two-channel charger for lithium-ion (Li-ion) cells with a micro USB charging input. Each channel is independent. The VC2 has a large LCD screen showing charging voltage and current. The charger also shows the capacity that is delivered to the cell and displays the result on the screen

CR123A lithium battery with 3V voltage and 1400mAh capacity. GP CR123A

An efficient step-down converter that steps down the input voltage from as low as 45 V to a regulated output voltage range of 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.4 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4873

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.

Sthor brand extension cord with grounded sockets, child protection, power cut-off switch, solid three-core 1.5 mm² cable with a PVC sheath, high-quality plastic housing with mounting holes, ensuring safe power supply to demanding home devices and office, with a maximum load of 3500 W, voltage 230V/50Hz, four sockets and a length of 5 m. Sthor-72355

The Duracell MN27 12V alkaline battery is a reliable power source, ideal for devices such as car alarms, gate remotes, and GPS trackers. It features long-lasting power and high-quality construction, ensuring dependable performance during critical moments.

ToolkitRC M6AC is an advanced balancer charger dedicated to a wide range of lithium, nickel and lead-acid batteries. Charging capacity up to 300 W, support for PWM, PPM and SBUS measurement modes and laboratory power supply functions make it a versatile tool for modelers, electronics engineers and users of multi-cell power systems. Compact form, precise parameter control and wide input voltage range provide flexibility for work in the workshop and in the field.

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

DC-DC Step-Down Converter ME3116AM6G with an output voltage of 5 V, input voltage from 6 to 24 V and a maximum output current of 1 A. Dedicated to the M5Stack modules. M5Stack U125

DC-DC step-down converter module 5V 16A used to convert energy from 6-24V input voltage to stable 5V, providing up to 16A current. Thanks to high conversion efficiency (over 90%) and low ripple (<20mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1202

Safety system for two Li-Ion cells with 11.1V. The module has the function of charging cells with the balancer, discharging and the function of protecting the cells against discharge. Cells can be charged with continuous current up to 20A and discharged with current 40A. modBMS40A