CATL 228Ah LiFePO4 Battery Cell – 3.2V Grade A Prismatic Battery for ESS, RV & Solar Storage

Key Features

  • Ultra Large Capacity: CATL 228ah  high real capacity
  • Long Cycle Life: Up to 6000+ cycles under standard conditions
  • Nominal Voltage: 3.2V, perfect for 12V/24V/48V/51.2V battery pack assembly
  • High Safety: LiFePO4 chemistry, thermal stability
  • Large current discharge capability, low internal resistance
  • Overseas local inventory, fast shipping and short lead time
  • CE, UN38.3, RoHS fully certified

CATL 228Ah LiFePO4 Battery Cell

Reliable Grade A Battery Cell for ESS & Off-Grid Energy Storage

The CATL 228Ah LiFePO4 battery cell is a high-performance prismatic lithium battery designed for residential ESS, solar energy storage systems, RV applications, marine systems, telecom backup, and DIY battery packs.

Manufactured by CATL (Contemporary Amperex Technology Co., Limited), one of the world’s leading lithium battery manufacturers, this 228Ah cell delivers stable voltage performance, excellent consistency, long cycle life, and outstanding safety standards.

With high energy density and low internal resistance, the CATL 228Ah battery cell is widely used in energy storage projects and off-grid solar systems worldwide.

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Specifications

Item Specification
Brand CATL
Nominal Voltage 3.2V
Nominal Capacity 228Ah
Battery Type LiFePO4
Cycle Life 6000+ Cycles
Internal Resistance ≤0.25mΩ
Standard Charge Current 0.5C
Max Continuous Charge Current 1C
Max Continuous Discharge Current 1C
Operating Voltage 2.5V ~ 3.65V
Charging Temperature 0℃ ~ 55℃
Discharging Temperature -20℃ ~ 60℃
Application ESS / Solar / RV / Marine

Why Choose CATL 228Ah Battery Cells?

  • Trusted global lithium battery manufacturer
  • Excellent consistency for ESS battery packs
  • Ideal for residential and commercial storage
  • High safety LiFePO4 chemistry
  • Long service life and stable performance
  • Suitable for DIY and professional ESS integration

Why Choose Docan Energy?

  • Genuine Grade A CATL battery cells
  • Strict voltage and resistance matching
  • Factory testing before shipment
  • EU & USA local warehouse support
  • DDP shipping service available
  • Professional engineering support
  • Safe export packaging

Packaging Included

Each battery cell includes:

  • Copper busbars
  • Nuts & bolts
  • Insulation accessories
  • Secure packaging

Custom packaging solutions are available for distributors and bulk orders.


Shipping Options

EU & USA Local Warehouse

  • Fast delivery
  • Tax included
  • Door-to-door shipping

DDP Shipping from China

  • Competitive shipping cost
  • Tax-free delivery
  • Suitable for wholesale and ESS projects

Applications

The CATL 228Ah LiFePO4 battery cell is ideal for:

  • Home solar storage systems
  • DIY 12V / 24V / 48V battery packs
  • RV and camper battery systems
  • Marine energy storage
  • UPS backup systems
  • Telecom storage systems
  • Industrial ESS projects
  • Off-grid solar systems

WHY DOCAN ENERGY BE YOUR TRUSTED ENERGY STORAGE PARTERNER

1. 15 Years of Industry Experience
With 15 years of experience in the energy storage industry, we have deep expertise in LiFePO4 battery systems and understand the needs of global residential, commercial, and industrial applications. This long-term focus ensures stable product development and reliable supply.

2. Strict Quality Inspection System
We implement a comprehensive quality control process, including cell grading, production monitoring, full system testing, and safety verification before shipment. Every battery is inspected to ensure consistent performance, safety, and long service life.

3. US & EU Overseas Warehouses
With overseas warehouses in the United States and Europe, we enable fast local delivery, shorter lead times, and reduced shipping costs. This helps customers receive products quickly and supports urgent project requirements.

4. Professional Service & Custom Solutions
We provide full technical support and flexible customization services, including system design, capacity configuration, and application-based solutions. Our team works closely with customers to ensure the most suitable energy storage system for each project.

👉 Experience-driven. Quality-assured. Fast-delivered. Professionally customized.

mini jackets

mini jackets

FAQ

  1. Are the batteries brand new and top quality?
    Yes. All batteries are brand new Grade A cells from the original factory with intact QR codes.
  2. Are busbars and bolts included?
    Yes. Each cell comes with matching busbars, bolts, and free insulation sheets.
  3. Will the batteries be tested before shipping?
    Yes. All cells are tested for voltage and internal resistance before shipment.
  4. How are the batteries packaged?
    Each cell is protected with PE foam or protective bags and packed in strong 5-layer cartons for safe transportation.
  5. How can I place an order?
    You can place an order online directly or contact our sales team for assistance.
  6. What if I need additional support?
    Please contact us via online chat or email, and we will respond as soon as possible.
  7. What is the delivery time?
    Small orders are usually shipped within 1–2 working days. Bulk orders depend on quantity and stock availability.
  8. What payment methods do you accept?
    We accept PayPal, bank transfer, Visa, Mastercard, American Express, and more.
  9. Why do some cells have slight scuff marks?
    Minor scuff marks are normal due to factory inspections, testing, and matching processes. This does not affect battery performance or quality.
Model

CATL 228ah

Nominal voltage (V)

3.2V

Cycles

6000+

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