26650 3.2V 4000mAh Deep Cycle Lithium Iron Phosphate Battery

Features

1. Exceptional Safety: LiFePO4 chemistry is highly stable, resistant to thermal runaway, and non-combustible under normal conditions.

2. Long Cycle Life: Capable of over 2000 charge-discharge cycles while maintaining 80% capacity.

3. High Energy Density: Provides substantial power in a compact form factor.

4. Wide Temperature Range: Performs reliably in both high and low temperature environments.

5. Environmentally Friendly: Contains no toxic heavy metals (lead, cadmium, mercury).

6. Low Self-Discharge: Maintains charge for extended periods when not in use.

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

Specification

Applications

• Solar Energy Storage Systems: Ideal for solar panel arrays and off-grid power systems.

• Electric Vehicles: Power source for e-bikes, e-scooters, and golf carts.

• Portable Power Stations: Backup power for camping, RV, and emergency use.

• Marine Equipment: Trolling motors, navigation systems, and marine electronics.

• UPS Systems: Uninterruptible power supplies for critical equipment.

• Power Tools: High-drain applications requiring reliable performance.

• LED Lighting Systems: Solar-powered street lights and emergency lighting.

Usage precautions and safety warnings

Charging Precautions:

• Use only chargers specifically designed for LiFePO4 chemistry

• Never exceed maximum charging voltage of 3.65V

• Do not charge at temperatures below 0°C or above 45°C

• Discontinue use if battery becomes hot, swollen, or damaged during charging

Discharging Precautions:

• Avoid deep discharge below 2.5V

• Do not exceed maximum continuous discharge current of 4A

• Never short-circuit the battery terminals

• Allow battery to cool between high-drain applications

Storage & Handling:

• Store in cool, dry environment (20-25°C ideal)

• Maintain charge level at 40-60% for long-term storage

• Keep away from water, moisture, and direct sunlight

• Use insulated tools when handling multiple batteries

Installation Notes:

• Ensure proper polarity when connecting to devices

• Use appropriate battery holders or cases

• For multi-battery configurations, use batteries of same type, age, and capacity

• Implement proper balancing for series/parallel configurations

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.