18650 4000mah 3.7V Rechargeable Lithium Ion battery More 800 Life Cycles

Features

1. Stable Discharge Performance: Features a stable nominal voltage of 3.7V, ensuring consistent

power delivery throughout the discharge cycle .

2. Long cycle life: more than 800 Cycles while retaining more than 80% of its initial capacity.

3. High Energy Density: Ultra high energy density, light weight,stable working voltage.

4. Low Self-Discharge: Maintains its charge for extended periods when not in use, making it ideal for infrequently used devices.

5. No Memory Effect: Can be recharged at any state of charge without suffering from capacity reduction.

6. MSDS UN38.3 DG License support overseas delivery via sea air or courier.

Specifications

Applications

• Portable Electronics: High-power flashlights (torches) , LED lights, laser pointers.

• Power Banks and USB Chargers: Commonly used in DIY or commercial mobile power banks .

• Consumer Electronics: Laptop battery packs , digital cameras, cordless phones, portable audio equipment.

• Electric Tools and Equipment: Power tools , garden tools, drones (often requiring high-drain variants) .

• Medical Equipment: Certain portable medical devices .

• Other: Emergency lighting, alarm systems, electronic locks , and various DIY projects.

Usage precations and safety warnings

Shenzhen Manli Technology Co., Ltd. is a high-tech manufacturing enterprise specializing in the R&D, production, and sales of lithium batteries.
The product portfolio encompasses a wide range of battery types, including high-capacity, low self-discharge, power-type, and high/low-temperature variants. These products are widely utilized in various smart drones, model aircraft, emergency power supplies, lighting fixtures, toys, smart home appliances, and other consumer electronics. The company possesses comprehensive R&D, design, and manufacturing capabilities, a robust quality management system, as well as testing facilities for battery performance and safety compliance. We are fully equipped to meet customers' personalized and diverse needs with tailored solutions, delivering cost-effective and reliable battery products. Our battery products have obtained third-party certifications such as UL, CE, KC, CCC, BIS, CB, PSE, REACH, ROHS, and UN38.3.
We aspire to collaborate with like-minded partners worldwide, leveraging advanced battery technology to strive for a greener, smarter, and more sustainable future.