Accessories – Electro store

3.5V to 5V/9V Lithium Battery Charge/Discharge Adjustable Module

Electro Store — Mon, 03 Mar 2025 11:13:23 +0000

The 3.5V to 5V/9V Lithium Battery Charge/Discharge Adjustable Module is a compact and efficient power management solution for lithium battery systems. Designed to provide stable voltage output, this module enables charging and discharging of 3.7V lithium-ion batteries with adjustable output to 5V or 9V, catering to various applications.

Its advanced circuitry ensures efficient energy conversion, offering overcurrent, short-circuit, and thermal protection to safeguard both the module and connected devices. Whether you’re working on DIY electronics projects or powering small devices, this module delivers reliable performance in a lightweight, easy-to-integrate design.

Features:

Adjustable Output Voltage
- Supports output adjustment to 5V or 9V, ideal for different power requirements.
Wide Input Voltage Range
- Compatible with lithium-ion batteries ranging from 3.5V to 4.2V nominal voltage.
Efficient Power Conversion
- High-efficiency boost circuit minimizes energy loss during voltage step-up.
Charge and Discharge Functionality
- Dual-mode design supports both charging and discharging of lithium batteries.
Built-in Protections
- Features overcurrent, short-circuit, and overheating protection for enhanced safety.
Compact and Lightweight
- Small size and low weight make it perfect for portable and embedded applications.
Versatile Applications
- Suitable for powering DIY projects, microcontrollers, small electronics, and portable devices.
Easy Integration
- Simple design allows for quick installation and integration into various systems.

This 3.5V to 5V/9V Lithium Battery Charge/Discharge Adjustable Module is the perfect tool for hobbyists, engineers, and anyone looking for a reliable power management solution for their lithium battery-powered devices

Plastic Battery Box For Lithium Battery Pack

Electro Store — Thu, 06 Feb 2025 07:38:20 +0000

This is a plastic battery box that can be used as an enclosure/casing for lithium battery packs. It is ideal for 18650, 2700, and 32650 lithium cells. The casing is made of plastic and comes with positive and negative F2 Tabs

Product Specification:

Material: Plastic

Usage: Enclosure for Lithium NMC, LiFePo4 and Lead Acid Battery

Size: 150x94x63

4xAA Cell Holder Open Plastic Case With Wire

Electro Store — Sat, 01 Feb 2025 10:12:49 +0000

A plastic battery case holder with an electrical cable is specifically designed for use in various electronic devices such as flashlights, remote controls, portable radios, and toys.

Secure Battery Housing: It provides a secure enclosure for batteries, ensuring they are held firmly in place within the device. This prevents accidental dislodging of batteries during use.
Electrical Connections: The holder includes integrated electrical cables that connect to the terminals of batteries. These cables facilitate easy installation and replacement of batteries without the need for soldering.
Compatibility: Designed to accommodate commonly used battery sizes such as AA, AAA, C, D, and 9V batteries. This ensures compatibility with a wide range of electronic devices that require different battery types.
Durability: Made from durable plastic materials that protect the batteries from external elements and mechanical stress, extending the lifespan of both the batteries and the device.
Versatility: Suitable for both consumer electronics and DIY projects, where reliable battery power is essential. It allows for easy maintenance and replacement of batteries, making it ideal for devices that require frequent battery changes, such as flashlights and remote controls.

1x23A 23A Cell/Battery Holder with Wire

Electro Store — Sat, 01 Feb 2025 10:07:00 +0000

This is a hard plastic build battery holder case. This case has the capacity to hold a single 23A 12V battery. The case is designed with high precision and accuracy which helps you with easy installation and removal of the battery. The material that is used to make the case is hard plastic. It can withstand high room temperature. You can easily set a single 23A 2V standard size battery in this case. The case can keep your battery organized and protected.

Features

Hard plastic material for long life
High precision design
Can withstand high room temp.
Keeps your battery organized and protected.

Specifications:-

100% Branded and new product
Holds single 23A 12V battery
Type: 23A 12V battery holder
Output current: 12V
High-quality plastic material
Convenient to use
Also Compatible with 27A Battery/Cell

12V DIY Portable Spot Welding Machine PCB Circuit Board For Li-ion and LiFePO4 batteries – Pre Assembled

Electro Store — Sat, 01 Feb 2025 09:43:56 +0000

12V DIY Portable Spot Welding Machine Battery Storage PCB Circuit Board includes an Electronic Welding Module that is an important part. Spot welding is welded by the principle of rapid local heating and cooling by high current. It will become an energy storage spot welding machine for welding nickel pieces such as lithium batteries and nickel-chromium batteries practical, easy to operate and use wide application range, and has a long service life.

Features:

Lightweight and portable, stable and reliable, wear-resistant, and can provide long service time.
There is a window on the back of the drive part, you can add copper or tin by yourself.
The external pads for the LED and the onboard buttons are added to facilitate the connection of the LEDs and buttons on the board to other places.
Suitable for welding 18650/26650/32650 battery.Note: We recommend using a High current Battery source of 160AH + with this module as all spot welding machines need a high current for weldingPackage Includes:
1 x 12V DIY Portable Spot Welding Machine PCB Circuit Board For Li-ion and LiFePO4 batteries

Note: Circuit Design and color may vary from Images and this item comes Pre soldered and assembled.

32650 2×1 Battery Cell Spacer/Holder/Bracket

Electro Store — Thu, 09 Jan 2025 14:05:27 +0000

32650 2×1 Battery Cell Spacer/Holder is a cylindrical battery spacer, made of flame retardant ABS+PC materials, with high-temperature resistance and crack resistance.

There are slots on the edge of the holder, can be combined into many different sizes and shapes of the battery pack.

This Battery Holder is compatible with our 32650 battery which you need to buy separately.

18650 Lithium Battery Capacity Indicator Module

Electro Store — Thu, 09 Jan 2025 13:56:31 +0000

Note: Color and Design of the PCB may differ from the Images.

1. When battery voltage is over N*3.3V, it will illuminate 1 block electricity quantity
(note:N represents battery quantity)
2. When battery voltage is over N*3.5V, it will illuminate 2 blocks electricity quantity
3. When battery voltage is over N*3.7V, it will illuminate 3 blocks electricity quantity
4. When battery voltage is over N*3.9V, it will illuminate 4 blocks electricity quantity
5.When battery voltage is less than N*3.3V,4 blocks display will be off;it represents battery is less than 3.3V,and you can charge the battery

18650 5V 2.4A Dual USB + Type-C + Micro + Lightning/Apple USB Power Bank Module With LED Display

Electro Store — Thu, 09 Jan 2025 13:56:31 +0000

Do you want to build your own QUICK CHARGE power bank from your spare 18650 battery cells? Then this 18650 5V 1A/2A Lithium Battery Digital Display Charging Module is for you. Just like a modern power bank, the module is equipped with Dual USB output to charge the gadgets at 2.1A and 1A. To charge the batteries, this module has two USB inputs one is C-type input, and the other is a MicroUSB input. Onboard, a brilliant blue-colored illuminating LED Display displays the real-time battery percentage in the 0100% range, as well as the IN and OUT Signal. Furthermore, the board contains a connection for installing an LED to be used as a flashlight, which is generally found on a POWER BANK.

So, if you have any spare 18650 batteries cells in your scrap box, buy this module and create your own Power Bank, then share your DIY experience with us.

Caution: Pay attention to battery polarity while connecting it to the board, wrong polarity will burn the components

Features:

Quick Charge Supported with 5V 2,4A output
The motherboard comes with protection functions: Charging overcharge protection, over-discharge protection, overcurrent protection.
Intelligent output device after charging full, automatically stop charging, to prevent mobile phones overcharge.
Output voltage and current stability, will not harm user devices.

5V 1A Wireless Power Supply Transmitter Receiver Charging Coil Module

Electro Store — Thu, 09 Jan 2025 13:56:02 +0000

This product is for the current wireless charging various series of small electronic products, and power development and design is made with a small size, extremely easy to use, high efficiency, low cost features primarily for mobile electronics products such as: cell phones, game machine, fish tank, MP3, MP4, adult products, digital cameras, electric shavers, machine learning, medical supplies and other products of underwater applications. As a result of non-contact charging power supply, make the product completely sealed, waterproof and dustproof , increase the life of the product easier to use.

Features:
Input voltage: 9 ~ 12V
Maximum load current: 1.3A
Receives the output voltage and current: 5V / 2A, 12V / 700mA
Transmitting coil size: diameter 43mm, thickness 2.3mm
Transmitter module size: 18mm * 8.5mm * 15mm
Receiver Module size: 10mm * 25mm * 3mm
Receiving coil size: diameter 43mm, thickness 1.2mm
Receive the best distance: 3 ~ 6mm

Coin type battery holder 24mm

Electro Store — Thu, 09 Jan 2025 13:55:35 +0000

This is a coin cell battery holder. It’s fast, cheap, reliable, and works on all sizes and shapes of coin cells. The holder can be easily taped, glued, soldered, or bolted to a project. It even has built-in holes for sewing into wearable electronic fashions. And best of all it can be made with stuff you probably have on hand.