Deligreen Power Co.,ltd
                                                                                                           
Verified Supplier
16 Years
Since 2010
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Electrical Equipment & Supplies Batteries Battery Management System(BMS)

12.8V 9Ah Smart BMS Bluetooth LiFePO4 Battery Pack with 2000 Cycles for Reliable Power

Price Negotiable
Price: Negotiable
MOQ: 4
Delivery Time: 15 working days
Brand: Deligreencs
Product Description
12.8V 9Ah Smart BMS Bluetooth LiFePO4 Battery Pack
E-Bicycle Battery with Smart BMS Deep Cycle Technology

This 12.8V 9Ah lithium battery pack features advanced Bluetooth BMS technology for real-time monitoring and comprehensive protection systems.

Understanding Lithium Battery Technology
  • Utilizes lithium metal or lithium alloy as electrode materials with non-aqueous electrolyte solutions
  • Two main categories: lithium metal batteries and lithium ion batteries
  • Lithium-ion batteries are rechargeable and do not contain metallic lithium
Bluetooth BMS Advantages

The integrated Bluetooth BMS provides comprehensive protection and monitoring capabilities through a dedicated mobile application:

  • Over-charge protection
  • Over-voltage protection
  • Over-current protection
  • Short circuit protection
  • Cell balancing function
  • Over-temperature protection
Key Features
Advanced Cell Technology
Lithium iron phosphate chemistry for superior safety and thousands of cycles
Comprehensive Protection
Automatic safeguards for over-charge, discharge, current, and temperature
Maintenance-Free
No regular maintenance required with internal cell balancing
Lightweight Design
Approximately 40-50% lighter than comparable lead-acid batteries
Wide Temperature Range
Operational from -20°C to 60°C
Expansion Capability
Supports series applications up to 51.2V and parallel configurations
Technical Specifications
Electrical Characteristics
Parameter Specification
Nominal Voltage 12.8V
Nominal Capacity 9Ah @ 0.2C
Energy 76.8Wh
Internal Resistance ≤70mΩ
Cycle Life 2000 Cycles @ 0.2C Charging/Discharging (Until 70% Capacity)
Self Discharge 3.5% per month at 25°C
Standard Charging
Parameter Specification
Max. Charging Voltage 14.0-14.6V
Charging Mode Constant current charging to 14.6V at 0°C-45°C
Charging Current 1.2A
Max. Charging Current 4.5A
Standard Discharging
Parameter Specification
Discharging Current 1.2A / 9A
Max. Pulse Current 20A (<3S)
Discharging Cut-off Voltage 10V
Operating Conditions
Parameter Specification
Charge Temperature 0°C to 45°C (32°F to 113°F) @ 60±25% Relative Humidity
Discharge Temperature -20°C to 60°C (-4°F to 140°F) @ 60±25% Relative Humidity
Storage Temperature 0°C to 45°C (32°F to 113°F) @ 60±25% Relative Humidity
Water/Dust Resistance IP55
Structure
Component Specification
Cell & Format IFR32700 N60, 4S2P
Casing Plastic
Battery Cell Options

Customize your battery pack with preferred cell technology:

  • 32700 or 18650 form factors
  • LiFePO4 or NCM chemistry
BMS Functionality
Battery Management System functional diagram
Performance Characteristics
Discharge rate characteristics and charge capacity-voltage curves Temperature discharge curves and charge time-voltage characteristics Depth of discharge cycle life and open circuit voltage vs state of charge
Internal Pack Structure
Internal battery pack structure view 1 Internal battery pack structure view 2 Internal battery pack structure view 3 Internal battery pack structure view 4
Applications
Battery pack applications including e-bikes, solar systems, and marine use

Ideal for: E-bicycles, RVs, solar systems, camping, energy storage, LED street lighting, golf carts, marine applications, boats, electric cars, and motorcycles.

Shipping & Delivery
USA Delivery: Sea + Express (DDP, Tax free)
ETD: 5-8 days | ETA: 25-35 days after sailing
EU Delivery: Railway + Express (DDP, Tax free)
ETD: 5-8 days | ETA: 30-45 working days after shipping

Remote areas may require additional verification. Please provide shipping address and zip code for accurate delivery information.

Company Profile

Changsha Deligreen Power Co., LTD, founded in 2010, is a "Green Energy Solution Service Provider" specializing in lithium rechargeable batteries, BMS, balancers, chargers and related products.

Our Promises:
• Real lithium capacity specifications
• 100% refund for any quality problems
• 100% replacement for shipping damage
• Lifetime technical support
Frequently Asked Questions
What is the life expectancy of a Lithium battery?
The typical estimated life of Lithium Iron Phosphate (LiFePO4) batteries is 5-15 years or 2000 to 8000 charge cycles. One charge cycle represents full charge to full discharge and back to full charge.
Where can I get the price?
Please contact us or request a quote. We provide customized pricing within 24 hours after receiving your product specifications including voltage, capacity, and application requirements.
How can you guarantee your quality?
We typically provide samples for confirmation before production. All orders are manufactured exactly to specifications. We offer 1-year warranty for small battery packs and 2-3 years for larger battery systems.
What is your term for payment?
We accept T/T, L/C, PayPal, Western Union, Money Gram, Ali Express, and cash payments.
What kind of certificates do you have?
We provide CE, ROHS, MSD, and shipping certifications for our products.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Deligreen Power Co.,ltd
Location 14018-1422 Building A AUX Plaza,Dujuan Rd,YueLu District,Changsha,Hunan Province,China|Factory: 2nd Floor, No. 8 Gangzhilong Technology Park, Songbailing Avenue 33, Zhongkai District, Huizhou City,Guangdong Province,China
Contact Person Leo Zeng

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