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3.2V 26650 Battery 4000mah Deep Cycle Lithium Iron Phosphate Battery

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3.2V 26650 Battery 4000mah Deep Cycle Lithium Iron Phosphate Battery

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Model Number : 3.2V 4000mAh

Certification : UN38.3 MSDS

Place of Origin : China

MOQ : 1000PCS

Payment Terms : L/C,T/T,Western Union

Delivery Time : 35 working days

Packaging Details : Industrial Pakcage

Name : 26650 Battery 4000mah

Rated Capacity : 4000mAh

Nominal Voltage : 3.2V

Max Discharge Current : 2C

Max Charge Current : 1C

Discharge Teerature : -20℃~60℃

Charge Teerature : 0℃~45℃

Self-discharge Rate : ≤3%/month

Cycle Life : 2000 Times

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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

Nominal Voltage 3.2V
Rated Capacity 4000mAh (4.0Ah)
Energy 12.8Wh
Dimensions 26mm (Diameter) × 65mm (Height)
Weight ≈200g (0.2kg)
Cycle Life ≥2000 cycles (to 80% initial capacity)
Max Charge Current 1C
Max Discharge Current 2C
Operating Temperature Charge: 0°C to 45°C; Discharge: -20°C to 60°C
Storage Temperature -20°C to 45°C (Recommended: 20-25°C)
Self-Discharge Rate <3% per month

3.2V 26650 Battery 4000mah Deep Cycle Lithium Iron Phosphate Battery

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


Product Tags:

Lithium Iron Phosphate Deep Cycle Battery

      

26650 Battery 4000mah

      

Deep Cycle Lithium Iron Phosphate Battery

      
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