| Weight | 50G |
| Cycle Life | 800 cycles |
| Type | Li-ion |
| Operating Temperature(℃) | -20~60℃ |
| Cathode Materials | LiCoO2 |
| Payment Terms | L/C,T/T Paypal Union Westen |
| Size | 18*650mm |
| Battery type | Lithium Ion Battery |
| Certificate | RoHS,CE, FCC, ISO9001 |
| Application | Consumer Electronics, Power Tools, Toys, Electric Wheelchairs, Electric Wheelchairs |
| Product name | li-ion 18650 3.7v 4000mAh |
| Battery Size | 18650 |
| Model Number | 18650 3.7V 4000mah li-ion battery |
| Brand Name | EWT |
| Certification | CE UN ROHS MSDS IEC |
| Place of Origin | Guangdong, China |
View Detail Information
Explore similar products
72V 48V 20AH Lithium Ion Battery Pack For Ebike 18650 Customized
2.6A Charge Current Rechargeable Lithium Battery with 12.6V Charging Cut-off
12.6V Charging cut-off Voltage Lithium Ion Battery Pack for -20°C To 45°C and
Safe Lithium Ion Rechargeable Battery Pack with Overcharge Protection Chemical
Product Specification
| Weight | 50G | Cycle Life | 800 cycles |
| Type | Li-ion | Operating Temperature(℃) | -20~60℃ |
| Cathode Materials | LiCoO2 | Payment Terms | L/C,T/T Paypal Union Westen |
| Size | 18*650mm | Battery type | Lithium Ion Battery |
| Certificate | RoHS,CE, FCC, ISO9001 | Application | Consumer Electronics, Power Tools, Toys, Electric Wheelchairs, Electric Wheelchairs |
| Product name | li-ion 18650 3.7v 4000mAh | Battery Size | 18650 |
| Model Number | 18650 3.7V 4000mah li-ion battery | Brand Name | EWT |
| Certification | CE UN ROHS MSDS IEC | Place of Origin | Guangdong, China |
High Capacity: 4000mAh provides long-lasting power for LED torches.
3.7V Voltage: Ensures compatibility with various LED flashlights.
Durable Construction: Designed for reliable performance in extreme temperatures (-20~60℃).
Long Lifespan: Expected to last up to 800 cycles, ideal for frequent use.
Multiple Certifications: RoHS, CE, FCC, and ISO9001 ensure safety and quality.
Stable Discharge Output: Supplies steady current to keep flashlights working consistently.
Standard 18650 Size: Easy installation and direct replacement for portable devices.
Low Self-Discharge: Maintains power well after long-time idle storage.
Sealed Anti-Leak Structure: Effectively avoids electrolyte leakage for safer daily use.
Wide Application Range: Fits LED torches, small fans and other consumer electronics.
Rechargeable Design: Supports repeated charging to lower your operating cost.
Shenzhen Everwin Tech Co., Limited is a 20-year battery manufacturer specializing in lithium iron phosphate, lithium ion, and Ni-MH batteries. With ISO 9001:2015 certification, they offer OEM/ODM solutions for electric vehicles, tools, and storage systems. Their products comply with CE, UL, and other global standards, ensuring safety and quality in diverse applications.
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
25000000-30000000
Employee Number:
250~300
Ecer Certification:
Verified Supplier
Everwin Tech Co., Limited was established in 2009 and is a professional battery manufacturer specializing in reserach design and producing power solutions for all kinds of market . EWT Battery provide ODM, OEM battery solutions for medical, solar lighting, smart metering lo... Everwin Tech Co., Limited was established in 2009 and is a professional battery manufacturer specializing in reserach design and producing power solutions for all kinds of market . EWT Battery provide ODM, OEM battery solutions for medical, solar lighting, smart metering lo...
Get in touch with us
Leave a Message, we will call you back quickly!