Shenzhen Bely Energy Technology Co., Ltd.
                                                                                                           
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12V 300AH LiFePO4 Battery with 3000+ Cycles, 200A Discharge Current, CE & UN38.3 Certified

Price Negotiable
Price: Negotiable
MOQ: 20PCS
Delivery Time: 7-14 days for samples, 35-60 days for mass production
Brand: Bely
Product Description
Product Overview
This 12V 300AH Lithium Iron Phosphate (LiFePO4) battery delivers exceptional performance with over 3000 cycles at 100% depth of discharge. Certified with CE, UN38.3, and MSDS approvals, it provides a reliable power solution for various applications.
Key Features
  • High capacity 300AH with 12.8V nominal voltage
  • Over 3000 cycles at 100% depth of discharge
  • Maximum continuous discharging current: 200A
  • Peak discharging current: 300A (≤20 seconds)
  • Integrated Battery Management System (BMS)
  • UL1642, UN38.3 & ICE62619 certified prismatic cells
  • Series and parallel connection capabilities
  • Direct replacement for traditional lead acid batteries
  • 2-year manufacturer warranty
Technical Specifications
Parameter Value Remarks
Nominal Capacity 300 Ah 14.6V cut-off capacity
Working Voltage 12.8V Normal operating range
Discharge Cut-off Voltage 11.6V Minimum discharge level
Charging Voltage 14.6V Optimal charging voltage
Max Continuous Charging Current 150A Sustained charging capability
Max Continuous Discharging Current 200A Sustained discharge performance
Peak Discharging Current 300A ≤20 seconds duration
Working Temperature Charging: 0-50°C
Discharging: -20-60°C
Operating environment range
Dimensions 521 × 238 × 218 mm ABS shell including terminals
Net Weight <33 kg Lightweight construction
Battery Management System
The integrated BMS provides comprehensive protection:
  • Under-voltage protection with automatic load cutoff
  • Over-voltage protection with charging current regulation
  • Temperature monitoring and shutdown for safety
  • Automatic system recovery when issues are resolved
Applications
Ideal for various mobile and stationary applications including:
  • RVs, motorhomes, and caravans
  • Solar power systems and renewable energy storage
  • Electric boats, fishing equipment, and marine applications
  • Camping, leisure, and mobile power supplies
  • Emergency power systems and UPS
  • Golf carts, electric scooters, and mobility devices
Installation & Safety
Important Instructions:
  • Use only compatible lithium battery chargers
  • Ensure proper polarity connection (+/- markings)
  • Installation must be performed by qualified specialists
  • Do not expose to permanent direct sunlight or temperatures above +60°C
  • Maximum four batteries in parallel connection
  • Store at 50-60% charge when not in use
12V 300AH LiFePO4 battery with CE and UN38.3 certification Internal structure and components of LiFePO4 battery

Get in Touch

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

Company Shenzhen Bely Energy Technology Co., Ltd.
Location 4/F, No. 1 Building, HuaWei KeGu Industry Park, Dalingshan Town, Dongguan, Guangdong, China. P.C.: 523000
Contact Person Sales department

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