The protection circuit for one Li-Ion cell with a voltage of 3.7 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 12 A

The converter allows you to supply devices with 5V (microUSB) voltage using energy transferred via Ethernet network using Power Over Ethernet (PoE) technology. The adapter also allows you to connect to the network at a speed of 10 / 100Mbit

An active splitter utilizing Power Over Ethernet (POE) technology allows devices to be supplied with 5 V. The POE splitter must be connected to a POE switch, POE midspan or 37 V ~ 57 V and a POE injector for proper operation.

Li-Ion battery type 18650 with a nominal voltage of 3.7 V and a capacity of 2500 mAh. Samsung INR18650-25R

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and an output in the form of pads. Allows powering devices with 12V. PDC004

The module allows you to charge lithium-ion batteries (one cell) with 1A current. Thanks to the applied TP4056 scaler, the charger fully controls the process of charging the cell, is safe and can be powered from the microUSB connector or from an external power supply

KAmod ProtoSupply is a universal, USB-C powered breadboard power supply module that offers two independent voltage outputs – the first adjustable (from 2.5 to 10.5 V or fixed at 3.3 V, 5 V, 9 V) and the second with 5 V or 12.5 V options – equipped with overload, overheat and short circuit protections and adapted to standard power rail layouts

The CR2032 3V 220mAh lithium battery is a compact, efficient and reliable power source, ideal for small devices such as watches or remote controls, ensuring long-lasting operation thanks to lithium technology

DC-DC Step-Down converter module with 5V output voltage and 1A output current. The module can be a replacement for the popular LM7805 regulator.

XTREME 4V 4.5Ah gel battery is a durable and reliable power source for backup systems and devices requiring stable emergency power. With its AGM construction and sealed housing with a safety valve, the battery is suitable for a wide range of applications—from security systems to medical equipment and electric toys.

The everActive AG10 G10 LR1130 LR54 mini alkaline battery is an efficient, compact and reliable power source, ideal for powering small devices such as watches or calculators, guaranteeing long-term operation thanks to alkaline technology

XL6009E1 Step-Up converter with an output voltage of 1.23 to 30 V, an input voltage of 4 to 35 V and a maximum current of up to 3 A

The BLOW SUPER HEAVY DUTY 9V 6F22 battery provides reliable and long-lasting power for a wide range of electronic devices.

The 2 AAA R3 battery holder is a basic but essential item for those who need a simple way to connect batteries for higher voltage. Cable length 15 cm

A pair of Dean-T plugs are compact and durable electrical connectors, popular in RC modeling, which offer a stable connection and are capable of transmitting high currents without excessive heating

DC-DC Step-Up converter module with adjustable output voltage of 5 V, 8 V, 9 V or 12 V. The module can be powered with the voltage from 2.5 to 12 V, making it compatible, for example, with Lithium batteries with a nominal voltage of 3 , 7 V.

Step-Up/Step-Down converter with an output voltage of 3.3 V, an input voltage from 1.8 to 5 V and a maximum current of up to 100 mA

The BLOW LR41 alkaline battery combines high-quality craftsmanship with an affordable price. It is perfect for powering various watches, car remotes, gate remotes, toys, scales, medical devices, smart home system devices, and many more.

Step-Up converter with an output voltage of 2 to 28 V, an input voltage of 2 to 24 V and a maximum current of 2 A

KAmod TPS5401 is a compact Step-Down switching regulator based on the energy-efficient TPS5401 chip, providing an output voltage of 3.3 V, 5 V, or 12 V (depending on the version). It supports a maximum continuous current of 0.5 A and a wide input voltage range of 4...42 V, while its 2.54 mm pitch terminals allow for easy mounting