18650 2200mAh 3.7v Cylinder Battery  The Li ion 18650 Cylindrical rechargeable battery boasts several advantages over NiMH batteries, including a lack of memory effect and a longer storage life. Additionally, This battery has a higher energy density and is lighter weight than any other rechargeable battery. With a capacity of 2200mAh, this Li ion battery has a high energy density and weighs less than other rechargeable batteries. It has been tested to the International Electro technical Commission (IEC) Standard to ensure its capacity, quality, and lifetime. This Li ion battery is suitable for a variety of applications, including powering lighting or other devices that require 3.7V power, building portable power devices that need high energy density and low weight, and powering laptops, lithium-powered flashlights, lasers, microcontroller projects, robots, MP3 players, mobile phones, power banks, and other portable power devices. Package includes: 1 x 18650 2200mAh 3.7v Cylinder Battery (Any Colour) Specifications: Minimum capacity 2200mah Typical capacity 2000-2200mah Internal impedance <1 ohm Standard voltage 3.7V Battery Dimension(Height x Diameter) 70 x 20 mm Connector Dimension(L x W x H) 9 x 7 x 5 mm Weight 43g

18650 3.7V 3800mAH Rechargeable Lithium Ion Battery with Header (Pack of 2) The 18650 3.7V 3800mAh Rechargeable Lithium Ion Battery with Header (Pack of 2) is a reliable power source for devices that need 3.7V and high capacity. These batteries are commonly used in items like vape devices, flashlights, and hobby transmitters. With a 3800mAh capacity, they offer long-lasting power. The batteries are tested to ensure they are in good condition and ready for use. This pack includes two batteries, making it a great choice for various projects. Package Includes: 2 x 18650 3.7V 3800mAH Rechargeable Lithium Ion Battery Specifications: Specification Details Model 18650 Nominal Voltage 3.7V Capacity 3800mAh External Dimension 18mm x 65mm Charge Voltage 4.2±0.05V Rechargeable Yes Operating Temperature Range -20°C to +85°C Used Condition New (Original - Super Power battery)

2 x AAA Battery Holder with cover and On/Off Switch This AAA x 2 battery holder is enclosed in plastic and comes with a cover and an on/off switch, making it a great addition to any battery-powered project. The removable sliding cover is secured with a small screw and provides protection to the 2 x AAA 3V batteries, which are connected in series to produce a combined output of 3V. The fully packed cover also shields the batteries from environmental factors.The on/off switch is a convenient feature that allows you to control the power of your project. The leads are approximately 15cm in length, with the last 5mm of them tinned for easy soldering and connection. The case box of this battery holder ensures that your batteries are organized and protected, and the holder is designed with leads for easy connection. This battery holder case is ideal for devices that require an external 3V battery. Features Holds 2 AAA batteries With a cover and Locking Comes with an ON/OFF switch Easy install, convenient to use High-quality plastic material. Pre-soldered wire tips Package Includes: 1 x AAA Battery Holder Specifications: Battery Size  AAA Cable Lenght  150mm Dimensions  6.2 x 2.7cms Weight  5 grams

3.6V 2600mAh 18650 Battery - Any Colour The 18650 battery, with its original design and a capacity of 2600mAh, is a remarkable power source. It offers the convenience of being able to charge and discharge up to 1000 cycles without significant loss in battery capacity. With an emphasis on safety and environmental friendliness, this battery ensures a long-lasting lifespan.Featuring high energy density, the 18650 battery delivers continuous power to your device, making it an excellent choice for various applications. To ensure optimal performance and protection, it is recommended to use the battery with a dedicated protection circuit board. This circuit board safeguards the battery against overcharging, over-discharging, and excessive current draw.Incorporating the 18650 battery into your circuit is a straightforward process. You can easily solder wires onto the terminals or employ 18650 battery holders for effortless replacement of used cells. It is crucial to handle Li-ion batteries with care due to their volatility and flammability. Avoid rough handling and puncturing, as mishandling can lead to potential explosions and fires. Additionally, it is important not to overcharge or discharge the battery beyond its specified limits to prevent the accumulation of gases inside. Utilizing a protection board when utilizing Li-Ion cells is always advised. check out : 3.7V 1800mAh 18650 Battery

3.7V 1200mAh 18650 Battery The 18650 battery is a rechargeable lithium-ion battery with a capacity of 1200mAh and a voltage of 3.7V. It measures 18mm in diameter and 65mm in length and is commonly used in a variety of electronic devices such as flashlights, headlamps, doorbells, RC cars, and cameras.When selecting a 18650 battery, it is essential to ensure that it is compatible with your device and that it comes from a trustworthy brand to ensure safety and quality. This attention to detail guarantees both safety and quality. check out : 3.7V 2600mAh 18650 Battery

3.7V 1500mAh 18650 Battery This 3.7V cylindrical Li-ion rechargeable battery, known as the 18650 battery, offers a power current capacity of 1500mAh. With its reliable performance and long service life, it can be recharged repeatedly. The battery features plastic insulation on its outer part, while its inner part is constructed from high-carbon steel to provide protection against bursting and overheating. These characteristics make the 18650 li ion battery highly sought after due to its affordability and low maintenance requirements. If you seek a strong, reliable, and cost-effective battery with a capacity of 1500mAh, this option may be the ideal choice for you.

3.7v 2000mah 18650 Li-Ion Battery 18650 battery is a Li-ion rechargeable battery with a 2000 mAh Battery Capacity. This is not a standard AA or AAA battery but is very useful for applications that require continuous high current or high current in short bursts like in cameras, DVD players, iPod, etc. They are safe to use, environment friendly and have long battery life. This li ion battery comes with high energy density and provides excellent continuous power sources to your device. It should be used with a protection circuit board that guards the battery against over-charge, over-discharge of the pack, and avoid over-current drawn. It is very easy to use the cell in any circuit just solder the wires on the terminals or use 18650 battery holders to easily replace the used cells. Care must be taken while handling Li-ion batteries as they are volatile and inflammable and should not be handled roughly and punctured. Also, don’t overcharge and discharge beyond a certain point as gases accumulated inside might result in explosions and fire. So always use the Protection board while using Li-Ion cells Note: We do not recommend using this product for critical applications. The capacity and performance of the cell might vary based on charging and discharging parameters. Please note that we do NOT provide any guarantee/warranty on this product. Read our blog about Battery AH means, where you'll know in detail What is AH in a Battery. It covers all the details of batteries like voltage(V), Ampere (A), Watts (W), and also what are lithium-ion batteries and lithium polymer batteries.

3.7v 2500mah 18650 Li-Ion Battery 18650 battery is a Li-ion rechargeable battery with a 2500 mAh Battery Capacity. This is not a standard AA or AAA battery but is very useful for applications that require continuous high current or high current in short bursts like in cameras, DVD players, iPod, etc. This 3.7V 2500mAh 18650 lithium ion battery is safe to use, environment friendly and has long battery life. 18650 battery comes with high energy density and provides excellent continuous power sources to your device. It should be used with a protection circuit board that guards the battery against overcharge, over-discharge of the pack, and to avoid over-current draw. This product is compatible with 18650 lithium battery Power Mobile Bank .  You can use this battery with development boards like arduino , BBC Micro:Bit  and M5 Stack Development Kits It is very easy to use the cell in any circuit, just solder the wires on the terminals or use 18650 battery holders to easily replace the used cells. Care must be taken while handling Li-ion batteries as they are volatile and inflammable and should not be handled roughly and punctured. Also, don’t overcharge and discharge beyond a certain point as gasses accumulated inside might result in explosions and fire. So always use the Protection board while using Li-Ion cells Note: We do not recommend using this product for critical applications. The capacity and performance of the cell might vary based on charging and discharging parameters. Please note that we do NOT provide any guarantee/warranty on this product. Application: Can be used in Cordless Phones Can be used with Tablet, PC, GPS, iPod, DVD, MP4 Player, IoT etc. Mobiles backup power supply/Power bank Package Includes: 1 x 3.7v 2500mah 18650 Li-Ion Battery Specifications: Voltage 3.7V Battery Capacity  2500 mAh Battery Type Lithium-Ion Charging method CC-CV Rechargeable Yes Battery Dimension(Height x Diameter) 65 x 18mm Connector Dimension(L x W x H) 9 x 7 x 5 mm Weight  100 grams

3.7V 2900mAh 18650 Battery 3.7V 2900mAh 18650 High Performance Rechargeable Battery, a solution for those seeking long-lasting, reliable power. This 3.7V 2900mAh Li-Ion battery with 18650 cells is perfect for various devices, from lithium iron battery packs to Ryobi tools and robotic vacuums like Ecovacs Deebot T8. Crafted with cutting-edge technology, it guarantees optimal performance, making it a top choice for tech enthusiasts. Made with precision and durability in mind, this rechargeable battery is suitable for diverse conditions and applications. Its user-friendly design ensures easy usage and maintenance, with a unique feature that adds to its appeal.

8051 Development Board (Made in India) The 8051 Development Board is equipped with an Atmel AT89S52 Microcontroller IC and an RS232 chip. It features a DIP 40 Pin IC Socket for easy insertion and removal of chips, and can support a range of chips including AT89S51, AT89S52, P89V51RD2, and 8052. The board is built with a high-quality FR-4 (1.6 mm) PCB.In addition, the board has an on-board RS232 circuit that enables easy communication with a PC and other RS232 serial devices such as GPS modules, GSM modems, and RFID. It also has an extra Vcc bus (5V and 12V) and GND bus for power supply to external peripherals.The 8051 board has an on-board bridge rectifier, allowing it to accept both AC and DC input voltages for power supply. It is also equipped with a 5mm Power Plug-in DC Jack, a Power ON-OFF switch, a 5V regulator (LM7805) circuit, and a power indication RED LED.Other features of the board include an on-board reset button, a quartz crystal 11.05892 MHz, a GREEN USER LED at Pin P2.0, an input user switch Pin P3.3, and an input external interrupt switch (INT1) at P3.3 through jumper JP2. Port extensions are provided for all PORT with detailed labeling for easy identification of pins, and external pull-up resistors are included for port use.The development board also has an on-board ISP connector for loading HEX files into microcontrollers such as AT89S51/52. It has four 3mm mounting holes for easy mounting. read more : How to Choose a Microcontroller Applications Embedded Systems Robotics Internet of Things (IoT) Industrial Automation Package includes 1x 8051 Development Board (Made in India) Specifications: Operating voltage 9 - 18 V Processor Socket ‎DIP 40-Pin Flash Memory 8 KB Processor Speed ‎11.05 MHz Number of Ports 4 Dimensions 12cm x 6.4cm