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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.
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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.
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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: średnia ilość
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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.
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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: średnia ilość
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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.
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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: brak towaru
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: średnia ilość
Dispatched within: 1 day
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.
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Durable 1x 18650 1S 3.7V cell holder with 22AWG wires + contact strips
A durable holder for one 18650 cell at 3.7V is a reliable solution for powering electronic circuits. Made of rigid plastic, it features built-in contact strips and sturdy 22AWG wires for a firm, stable connection. It works well in embedded systems and DIY projects-including powering Arduino, ESP8266, ESP32, and Raspberry Pi modules. The thoughtful design allows quick installation and safe removal of batteries.
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Durable 2x 18650 2S 7.2V series cell holder with wires and contact tabs
High-quality 2x 18650 cell holder in 2S series configuration with stable 7.2V output. Made of durable plastic, it includes integrated wires and springy mounting tabs for secure battery retention.
It works well as a power supply for Arduino, Raspberry Pi, and ESP32 modules. A reliable choice for DIY projects, robotics, portable measuring devices, and emergency power systems.
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Durable 3x 18650 3S cell holder 10.8V series with wires
This durable 3x 18650 battery holder wired in series is a reliable power source at 10.8V. It features factory-installed wires and retaining springs that ensure stable cell seating. Contoured plastic provides high safety. This component is ideal for DIY projects, robotics, and powering microcontrollers such as Arduino, ESP32, or Raspberry Pi. Compact dimensions make it easy to mount in a wide range of portable devices.
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Holder with tabs for 4 x 18650 cells in parallel 3.6V + 8 cm wires
Holder for 4 x 18650 Li-ion cells wired in parallel is a robust solution providing stable 3.6V. Made from durable plastic, it has securely holding mounting tabs and pre-attached 22AWG leads 8 cm long. Compact 78 x 79 x 21 mm dimensions simplify installation. It works well as power for DIY projects, including Arduino, Raspberry Pi, and ESP32 circuits, and as portable power for low-voltage devices.
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Li-Ion/Li-Po 1S battery charge level indicator with LED display
Compact Li-Ion/Li-Po 1S battery charge indicator with a precise 4-step LED display. The device monitors voltage in the 3.3V - 4.2V range and is ideal for projects with Arduino, ESP32, or Raspberry Pi. The module has clear backlighting-blue capacity blocks and a red battery outline. It works excellently for power monitoring in mobile robots and remotely controlled vehicles, drawing power directly from the measured source.
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Li-Ion/Li-Po 3S battery level indicator with LED display
This battery level indicator is designed to accurately monitor the status of 3S Li-Ion/Li-Po batteries. Its reliability and accuracy makes it the ideal tool for applications where voltage tracking in the 11.1-12.6V range is required.
Availability: duża ilość
Dispatched within: 1 day
