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18650 battery cell capacity and resistance tester + color display
18650 cell tester is a precise device for measuring capacity and internal resistance of rechargeable batteries. Equipped with a color display, it lets you monitor parameters in real time. It has a USB-C port for charging and two bays-a test bay and a power bay. It allows adjustment of the discharge cutoff voltage in the range 2.6 - 3.5V. Ideal for checking cell wear, building power packs, or testing power banks. It offers automated operating modes and full control over the technical condition of lithium-ion batteries.
Availability: duża ilość
Dispatched within: 1 day
4S Li-Ion/Li-Po Battery Charge Level Indicator with LED Display
Compact 4S Li-Ion/Li-Po battery charge level indicator with a clear 4-bar LED display. Enables accurate voltage monitoring from 13.2 V to 16.8 V. The module is powered directly from the measured source, which simplifies installation.
The device works well in RC models, drones, portable audio systems, and power tools. Thanks to its small size and contrasting colors, it provides instant readout of power status in DIY projects and emergency systems.
Availability: średnia ilość
Dispatched within: 1 day
4x 18650 4S 14 V battery holder, durable cell holder case
A compact holder for four 18650 cells delivering 14.4 V output via series connection. It has attached wires and spring contacts for fast assembly and stable power. This durable battery holder is ideal for DIY projects, robotics, and IoT systems. It is an excellent power source for microcontrollers such as Arduino, ESP32, or Raspberry Pi, ensuring reliable operation and safety.
Availability: duża ilość
Dispatched within: 1 day
6x AA battery holder, DC connector for Arduino, with 15 cm cable
A practical 6x AA battery holder is an ideal solution for powering electronic circuits, including popular Arduino platforms. Batteries connected in series produce a stable 9V voltage. The product features an integrated 16 cm cable terminated with a universal DC 5.5x2.5 mm plug. A sturdy housing with strong springs ensures secure cell retention. Compact dimensions make it easy to mount in portable projects, robotics, and emergency backup power systems.
Availability: duża ilość
Dispatched within: 1 day
8x AA R6 rechargeable battery holder with switch, 12 V housing with cover
Compact 8x AA (R6) battery holder in a black housing made of durable ABS plastic. Delivers 12 V output as a reliable power source for Arduino, Raspberry Pi, IoT systems, and mobile robots. Includes a matching cover that protects cells from dirt and an integrated ON/OFF switch for convenient power control. Factory-terminated wires enable quick, hassle-free installation in any electronic project.
Availability: duża ilość
Dispatched within: 1 day
9V 1A stabilized plug-in power supply DC plug 2.1/5.5mm + 90 cm cable
This compact 9V 1A plug-in power supply is a versatile device that provides regulated voltage for electronics. It is ideal for powering Arduino UNO and MEGA microcontrollers and DIY projects. It features a popular DC 2.1/5.5mm plug with standard polarity and an approximately 90 cm cable. A wide 100V-240V input range and a built-in indicator LED ensure safe, convenient operation with electronic modules.
Availability: duża ilość
Dispatched within: 1 day
9V 2A 18W switched-mode stabilized power supply, DC plug 2.1/5.5mm + 90 cm cable
9V 2A switched-mode power supply rated at 18W is a universal and stable power source. It features a standard DC 2.1/5.5mm plug with centre positive and a practical 90 cm cable. The unit automatically accepts 100-240V AC input. It is ideal for safely powering Arduino microcontrollers, routers, CCTV cameras, and audio equipment that needs stable 9V DC.
Availability: duża ilość
Dispatched within: 1 day
Balancer BMS 3S 20A - 12.6 V Li-Ion 18650 Cell Charger with Protection
The compact BMS 3S 20A - 12.6 V module is a high-performance charger and balancer for Li-Ion 18650 and Li-Po batteries. The circuit supports 3-cell packs, offering maximum continuous operating current of 20 A and charging current of 10 A. It provides comprehensive overcharge and over-discharge protection. The product works well for powering power tools, building RC packs, portable lighting, and emergency systems. It ensures safety and significantly extends the life of every pack.
Availability: duża ilość
Dispatched within: 1 day
Battery basket 3xAA R6 flat with 15cm cables without lid 4.5V for RC
The 3xAA R6 flat battery basket is a practical solution for powering a variety of electronic devices. With compact dimensions (47 mm x 58 mm x 16 mm) and long leads (15 cm) prepared for soldering, the basket is ideal for DIY projects and repairs. The high quality workmanship ensures durable and stable connections. Fits standard AA (R6) batteries, which are easily interchangeable, making it versatile and convenient to use.
Availability: duża ilość
Dispatched within: 1 day
Battery cage 2 x CR2032 6V with switch lockable with cables
A basket for two CR2032 batteries fitted with a switch, designed to be connected in series, generating a voltage of 6V at the output. It features a flat, easy-to-close housing from which the short wires red (+) and black (-) are led, for convenience of use and simplicity of installation.
Availability: duża ilość
Dispatched within: 1 day
Battery cage CR2023 CR2025 PCB stand with 29mm diameter switch
Designed to accommodate batteries with a diameter of 20mm, the switch stand is compatible with models such as CR2032, CR2025 and CR2016. It provides a stable and secure attachment to the battery while allowing easy power on and off.
Availability: duża ilość
Dispatched within: 1 day
Battery cell basket 2x 18650 container
A cage designed for two type 18650 batteries makes it easy to mount them thanks to wires with exposed terminals, ensuring simple connection to the target device. This model allows batteries to be connected in series, extending the power supply options. Two cables, each with a length of 15 cm, are led out of the cage.
Availability: brak towaru
Battery charge level indicator Li-Ion/Li-Po 2S with LED display
A compact charge level indicator for monitoring 2S Li-Ion and Li-Po packs. The device accurately measures voltage from 6.6V to 8.4V and shows the result on a clear, 4-step LED display. The module has low current consumption of 2mA - 6mA and fast measurement refresh every 500 ms. The outer red border acts as a warning, signalling when voltage drops below the safe limit. Ideal for ongoing monitoring of batteries in a wide range of electronic projects.
Availability: na wyczerpaniu
Dispatched within: 1 day
Battery holder for 2 x AA R6 3V with ON/OFF switch and snap-on cover
A practical two-AA battery holder with a snap-on cover, providing an output voltage of 3V. It features a built-in slide ON/OFF switch, eliminating the need for extra power-disconnect modules. It has two pre-attached leads for quick assembly. Ideal for powering portable projects on microcontrollers, electronic toys, LED lighting circuits, and prototypes. Its compact design and integrated switch ensure convenience and safe use.
Availability: brak towaru
Battery holder for 6× AA R6 rechargeable batteries with 9 V switch, housing with cover
A closed 6×AA battery holder is a safe power source for electronic projects, including for Arduino and mobile robots. The cells are wired in series. The module has a built-in ON/OFF switch, so you can control power without unplugging wires. A sturdy protective cover keeps the batteries from falling out. Connections are two wires with stripped ends, for fast assembly in DIY builds and prototypes.
Availability: duża ilość
Dispatched within: 1 day
BMS Balancer 4S 20A - 14.4 V Li-Ion 18650 cell charger with protection
The professional BMS 4S 20A balancer is a reliable charging and protection module for Li-Ion 18650 cells. The circuit supports packs with a voltage of 14.4 - 16.8 V, ensuring full protection against overcharging, overdischarging, and short circuits. The maximum operating current is 10 A, while the overcurrent protection is 20 A.
The compact module works well for power tool battery refurbishment, building custom power packs for portable devices, and emergency power systems.
Availability: duża ilość
Dispatched within: 1 day
BMS balancer 4S 40A - 16.8 V Li-Ion 18650 cell charger with protection
The BMS 4S 40A module is a protection and charging circuit for Li-Ion cells. The device protects batteries from overcharging, excessive discharge, and short circuits. It supports continuous current up to 40 A and supply voltage 16.8 - 18.1 V. It ensures even charging thanks to the balancer function. The module is ideal for refurbishing power packs in power tools, building portable power stations, and robotics projects. It guarantees reliable operation and longer battery life.
Availability: duża ilość
Dispatched within: 1 day
