Shenzhen Bely Energy Technology Co., Ltd.
                                                                                                           
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10 Years
Since 2016
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Bely 12V 300Ah LiFePO4 Lithium Battery with 3840Wh Capacity and Bluetooth Monitoring for Automotive & Solar Applications

Price Negotiable
Price: Negotiable
MOQ: 10PCS
Delivery Time: 7-14 days for samples, 35-60 days for mass production
Brand: bely
Product Description
Product Overview

Bely 12V 300Ah LiFePO4 battery delivers reliable power for automotive, solar, and off-grid applications. With 3840Wh capacity and advanced BMS protection, this lithium iron phosphate battery offers superior performance and safety.

Key Features & Advantages
  • High capacity 300Ah/3840Wh in compact dimensions
  • Deep cycle capability with 100% depth of discharge
  • Lightweight design at only 32.5kg
  • Built-in smart BMS with comprehensive protection
  • Over 3000 cycles at 100% DOD for extended lifespan
  • Optional Bluetooth monitoring via smartphone app
  • UL 1642, UN38.3, ICE62619, CE, and MSDS certified
  • IP65 protection rating for dust and water resistance
Technical Specifications
Specification Parameter
Nominal Voltage 12.8V
Nominal Capacity 300Ah/3840Wh
Dimensions 526mm x 235mm x 217mm/237mm
Net Weight 32.5kg
Working Voltage Range 10-14.6V
Max Continuous Discharge Current 150A (less than 25 minutes)
Peak Discharge Current 200A (≤20 seconds)
Charging Temperature Range 0-55℃
Discharging Temperature Range -20-60℃
Cycle Life 3000+ cycles at 100% DOD
Protection Class IP65
Warranty 2 years standard (extendable to 5 or 7 years)
Battery Management System

The integrated BMS provides comprehensive protection including:

  • Under-voltage protection with automatic load cutoff
  • Over-voltage protection during charging
  • Temperature monitoring with shutdown protection
  • Overload and short-circuit protection
Application Areas
  • Motorhomes, caravans and RVs
  • Solar systems and renewable energy storage
  • Electric vehicles and traction applications
  • Marine applications including boats and fishing
  • Camping and mobile power supply
  • Emergency power supply and UPS systems
Installation & Safety

Ensure proper handling and installation:

  • Use appropriate transport equipment for the 32.5kg weight
  • Secure the battery adequately to prevent movement
  • Avoid reverse polarity connection to prevent BMS damage
  • Follow all transportation regulations (UN3480/UN38.3)
Frequently Asked Questions
Can I have samples to test and what is the lead time?
Yes, samples are available with 7-14 day lead time. Buyer pays for sample cost and shipping.
Do you provide after-sales service?
Yes, we offer 2-year warranty with replacement for quality issues.
Do you accept OEM/ODM orders?
Yes, we provide custom battery solutions including BMS functions, pack size, and capacity.
What is your lead time for mass production?
Typically 35-60 days after sample confirmation and down payment.
Are your batteries real capacity?
All our batteries use Grade A cells with 100% new materials and real capacity.
Bely 12V 300Ah LiFePO4 battery showing product design and connections Bely 12V 300Ah LiFePO4 battery installation and application examples

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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