The Sanford 3.7V Lithium-ion Battery (18650) is a rechargeable power solution designed for electronics, laboratory devices, and portable equipment that require stable voltage and long service life. Because it offers high energy density and a long cycle life, this battery supports dependable performance in both professional and everyday applications.
Key Advantages
First, the 18650 form factor ensures wide compatibility with many battery-powered devices. Moreover, the 3.7V nominal output delivers consistent power for efficient operation. In addition, the rechargeable design reduces replacement costs and supports environmentally responsible use.
Features & Benefits
- High Energy Density: Delivers strong power output in a compact size.
- Stable Working Voltage: 3.7V nominal voltage supports reliable device performance.
- Long Cycle Life: Supports up to 1000 recharge cycles, depending on usage and charging conditions.
- Rechargeable & Eco-Friendly: Reduces waste and operating cost compared to disposable cells.
- Single-Cell Efficiency: High working voltage for single battery cell applications.
Capacity Information (Important)
- Manufacturer-claimed capacity: Up to 3800mAh (varies by batch and test conditions)
- Typical usable capacity: May be lower depending on discharge rate, load, and testing method
(Capacity values are approximate; actual performance depends on application and operating conditions.)
Typical Applications
As a result of its versatility, this battery is commonly used in:
- Laboratory and scientific instruments
- LED flashlights and emergency lights
- Portable electronic devices
- DIY electronics and battery packs
- Backup power and testing equipment
Technical Specifications
- Brand: Sanford
- Battery Type: Lithium-ion (Li-ion)
- Model / Size: 18650
- Nominal Voltage: 3.7V
- Capacity: Up to 3800mAh (manufacturer-rated; typical capacity may vary)
- Recharge Cycles: Up to 1000 times
- Form Factor: Cylindrical
- Rechargeable: Yes
Storage & Safety Guidelines
Therefore, store the battery in a cool, dry place, away from heat and direct sunlight. Additionally, always use a compatible Li-ion charger and avoid over-charging, deep discharge, or short-circuiting to ensure safe operation and long service life.
Ideal for B2B & Institutional Buyers
Overall, the Sanford 3.7V 18650 Lithium-ion Battery offers a practical balance of capacity, durability, and cost efficiency. Consequently, it suits laboratories, educational institutions, service providers, and electronics resellers looking for dependable rechargeable power solutions.


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