36V Lithium Battery Packs: Options and Specifications

When exploring 36V lithium battery packs, it’s essential to understand the different types and their applications. Here’s a comprehensive overview of the available 36V lithium battery packs, including lithium-ion and lithium iron phosphate (LiFePO4) options:

1. KS36-105 36V 105Ah Lithium-Ion Battery

• Type: Lithium Iron Phosphate (LiFePO4)
• Capacity: 105Ah
• Voltage: 36V nominal (38.4V when fully charged)
• Continuous Discharge Current: 200A
• Peak Surge Current: 225A for up to 15 seconds
• Dimensions: 379mm x 271mm x 239mm
• Weight: 39.15 kg (86.3 lbs)
• Features:
  • Bluetooth Monitoring: Provides real-time tracking of battery performance via a mobile app.
  • Low Temperature Charge Protection: Ensures safe operation and charging in colder temperatures.
  • High Current BMS: Offers robust protection against overcharging, over-discharging, and short circuits.
• Applications: Ideal for motorhomes, camper vans, boats, and solar storage systems.
• Price: £1,400.00

2. Black & Decker 36V Lithium-Ion Battery

• Type: Lithium-Ion
• Capacity: 2.0Ah
• Voltage: 36V
• Applications: Suitable for use with all Black & Decker 36V cordless garden tools.
• Warranty: 2-year warranty

3. E-Bike Battery Packs

• 36V 10.4Ah Battery: Commonly used in electric bikes, priced around £175.00.
• 36V 11.6Ah Battery: Another option for electric bicycles, also priced around £175.00.
• 36V 7.8Ah Battery: Available for approximately £160.00.

Key Features of 36V Lithium Batteries

Battery Management System (BMS)

Most 36V lithium batteries are equipped with an integrated Battery Management System (BMS). The BMS is crucial for:

• Overcharging Protection: Prevents the battery from charging beyond its capacity.
• Over-discharging Protection: Shields the battery from excessive discharge that can degrade its lifespan.
• Short Circuit Protection: Safeguards the battery from potential short circuits that could cause damage.

Cycle Life

Lithium Iron Phosphate (LiFePO4) batteries, such as the KS36-105, are renowned for their longevity. The KS36-105, for instance, is rated for over 5000 cycles at a depth of discharge (DoD) of 80%-30%, offering significant long-term value.

Charging Recommendations

To ensure optimal performance and safety, use a charger specifically designed for lithium batteries. This avoids overcharging and maintains the battery’s health, ensuring efficient energy storage and longevity.

Conclusion

36V lithium battery packs come in various capacities and types, including lithium-ion and LiFePO4 options. These batteries are suitable for a range of applications such as electric bikes, solar storage, and recreational vehicles. When selecting a battery pack, consider the specific needs of your application, including capacity, weight, safety features, and intended use.

FAQ

1. What are the differences between 36V lithium-ion and 36V LiFePO4 batteries?
   36V lithium-ion batteries are known for their high energy density, lighter weight, and faster charging capabilities. However, they have a narrower operating temperature range and can be less stable under high stress. 36V LiFePO4 (Lithium Iron Phosphate) batteries, while heavier, offer greater thermal stability, longer cycle life, and enhanced safety, making them more durable and suitable for demanding applications.
2. How do I choose the right 36V battery for my e-bike?
   When choosing a 36V battery for your e-bike, consider factors such as capacity (Ah) for desired range, weight for ease of handling, and battery type (lithium-ion vs. LiFePO4) based on performance and safety needs. Ensure compatibility with your e-bike’s motor and controller, and check for features like robust casing and reliable BMS.
3. What is the average lifespan of a 36V lithium-ion battery?
   The average lifespan of a 36V lithium-ion battery is typically around 3-5 years or 500-1,000 charge cycles, depending on usage, maintenance, and operating conditions. Proper care and avoiding extreme temperatures can help extend the battery’s lifespan.
4. Are there any safety concerns with using 36V lithium-ion batteries?
   Safety concerns with 36V lithium-ion batteries include risks of overheating, overcharging, and thermal runaway if the battery management system (BMS) is not functioning correctly. It is crucial to use quality chargers, monitor battery health, and ensure proper ventilation and protection to mitigate these risks.
5. How does the charging time vary between different 36V battery models?
   Charging time for 36V batteries varies based on capacity (Ah) and the charger’s output current. Higher capacity batteries generally take longer to charge. For example, a 36V 10Ah battery may take about 4-6 hours to charge with a standard charger, whereas a 36V 20Ah battery may take 8-12 hours. Fast chargers can reduce charging time significantly.