(2-Pack) 7.4V Li-ion 2200mAh Rechargeable Battery Module with PCB 18650 * 2 Bare Leads for DIY, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More
High capacity - large capacity 7.4V rechargeable battery pack has a higher energy density while staying light weight offering a longer run-time
Wide compatibility - The bare leads connection makes this battery pack ideal for wide range of devices such as LED work lights, bike lighting, RC cars, RC trucks, model planes, any many more.
Long lasting power - Rechargeable up to 500 times, this battery pack for hobbies will easily pay for themselves after a couple of us
Advanced protections - Built-in safety features ensures this rc cars battery pack stays healthy and continues providing power to no matter what the application, this battery pack will guard against over-charging, over-discharging, and over-current.
What You Get: 2 x Battery Pack [Rechargeable] and 24-Month Worry-Free Warranty and Smile Customer Service.
+
+
Overview
Specs
Reviews
Any questions? Our AI beta will help you find out quickly.
Try me now
A professional battery designer & battery pack manufacturer
elxjar – Empowering Projects with Reliable Energy
Premium batteries designed for DIY enthusiasts, hobbyists, and professionals demanding consistent, safe, and efficient power solutions.
At elxjar, we’re committed to delivering advanced battery technology that fuels innovation across countless applications. From medical devices to RC models and DIY projects, our batteries are engineered for safety, performance, and long-lasting reliability. Trust elxjar to keep your creative and professional endeavors running smoothly.
Product Specification
Chemistry
Li-ion Rechargeable
Nominal Capacity
2200mAh
Nominal Voltage
7.4V (peaks at 8.4V)
Dimensions
Approx Size: L 2.68 " (68.00mm) x W 1.42 " (36.00mm) x H 0.71 " (18.00mm)
Weight
3.29 oz(93.3g)
Connector Type
Bare Leads
Cell Configuration
2 x 18650 cylindrical cells with PCB
Recharge Cycles
Up to 500 times
Lifestyle Use Case
Fuel Your Innovations with Reliable Power
From creative projects to professional applications, elxjar batteries keep your devices powered and your ideas alive.
Whether you’re racing RC cars, lighting up bike paths, or designing custom electronics, elxjar’s 7.4V Li-ion battery module delivers the performance and reliability your projects demand. Its lightweight, compact design makes it ideal for tight spaces, while advanced safety features ensure peace of mind during every use. Create, build, and explore with the dependable energy of elxjar.
Product Specifications
Battery Type: Li-ion Rechargeable
Voltage: 7.4V (peaks at 8.4V)
Capacity: 2200mAh
Cell Configuration: 2 x 18650 cylindrical cells with PCB
Max Charge Current: 2.0A (1C)
Max Discharge Current: 5A (2.5C)
Cut-off Voltage: 6V
Approx Size: L 2.68 " (68.00mm) x W 1.42 " (36.00mm) x H 0.71 " (18.00mm)
Weight: 3.29 oz(93.3g)
Connector Type: Bare Leads
Frequently Asked Questions
Quick answers for choosing, using, and maximizing elxjar battery performance.
Q: Is this battery rechargeable?
A: Yes, it’s a rechargeable Li-ion battery designed for repeated use, offering up to 500 charge cycles.
Q: Can I connect multiple packs together?
A: Absolutely. These modules can be connected in parallel to increase capacity, such as creating a 7.4V / 4.4Ah pack.
A professional battery designer & battery pack manufacturer
elxjar – Empowering Projects with Reliable Energy
Premium batteries designed for DIY enthusiasts, hobbyists, and professionals demanding consistent, safe, and efficient power solutions.
At elxjar, we’re committed to delivering advanced battery technology that fuels innovation across countless applications. From medical devices to RC models and DIY projects, our batteries are engineered for safety, performance, and long-lasting reliability. Trust elxjar to keep your creative and professional endeavors running smoothly.
Product Specification
Chemistry
Li-ion Rechargeable
Nominal Capacity
2200mAh
Nominal Voltage
7.4V (peaks at 8.4V)
Dimensions
Approx Size: L 2.68 " (68.00mm) x W 1.42 " (36.00mm) x H 0.71 " (18.00mm)
Weight
3.29 oz(93.3g)
Connector Type
Bare Leads
Cell Configuration
2 x 18650 cylindrical cells with PCB
Recharge Cycles
Up to 500 times
Lifestyle Use Case
Fuel Your Innovations with Reliable Power
From creative projects to professional applications, elxjar batteries keep your devices powered and your ideas alive.
Whether you’re racing RC cars, lighting up bike paths, or designing custom electronics, elxjar’s 7.4V Li-ion battery module delivers the performance and reliability your projects demand. Its lightweight, compact design makes it ideal for tight spaces, while advanced safety features ensure peace of mind during every use. Create, build, and explore with the dependable energy of elxjar.
Product Specifications
Battery Type: Li-ion Rechargeable
Voltage: 7.4V (peaks at 8.4V)
Capacity: 2200mAh
Cell Configuration: 2 x 18650 cylindrical cells with PCB
Max Charge Current: 2.0A (1C)
Max Discharge Current: 5A (2.5C)
Cut-off Voltage: 6V
Approx Size: L 2.68 " (68.00mm) x W 1.42 " (36.00mm) x H 0.71 " (18.00mm)
Weight: 3.29 oz(93.3g)
Connector Type: Bare Leads
Frequently Asked Questions
Quick answers for choosing, using, and maximizing elxjar battery performance.
Q: Is this battery rechargeable?
A: Yes, it’s a rechargeable Li-ion battery designed for repeated use, offering up to 500 charge cycles.
Q: Can I connect multiple packs together?
A: Absolutely. These modules can be connected in parallel to increase capacity, such as creating a 7.4V / 4.4Ah pack.
(2-Pack) 7.4V Li-ion 2200mAh Rechargeable Battery Module with PCB 18650 * 2 Bare Leads for DIY, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More
Learn more about the Detailed Specifications
Additional Information
First Listed on Newegg
April 25, 2026
There are no reviews yet.
Do you own this product?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
