314Ah LiFePO4 Battery Cell | EVE MB31 Grade A 3.2V Prismatic Cell for ESS | EU & China Stock
Discover Reliable Energy Storage Solutions at Fench Power.Engineered for installers, distributors and energy professionals worldwide.
🔋 EVE MB31 314Ah 3.2V LiFePO₄ Prismatic Battery Cell
✅ Grade A Cells | 8,000+ Cycles | Test Report & Cell Matching Support
⚡ CE, IEC, UN38.3 & MSDS Certified | Designed for ESS & Solar Energy Storage
🚚 EU & China Stock | 3–7 Days Tax-Free DDP Delivery
🌍 Wholesale Supply | OEM/ODM Support | 5-Year Warranty
⚠️ Sold in Sets of 4 Cells Only
We accept bulk purchases and customization
Important Notice
* If you have any questions, please contact our customer service team. Thank you for your interest in Fench Power.
Service
Free replacement parts & online technical support
*Order status can be tracked on our website. Once payment is completed and items are in stock, orders ship within 1–2 days.
Product Specifications
| Parameter | Specification |
|---|---|
| Standard Capacity | 314Ah |
| Standard Energy | 1004.8Wh |
| Nominal Voltage | 3.2V |
| Charge Voltage (Umax) | 3.65V |
| Discharge Cut-off Voltage (Umin) | 2.5V (T>0°C) / 2.0V (T≤0°C) |
| Standard Charge/Discharge Power | 0.5P (502.4W) |
| Max Continuous Charge/Discharge Power | 0.5P (502.4W) |
| Internal Resistance | 0.18±0.05mΩ (AC 1kHz) |
| Charge Temperature | 0~60°C |
| Discharge Temperature | -30~60°C |
| Storage Temperature (1 Year) | 0~35°C |
| Storage Temperature (1 Month) | -20~45°C |
| Self-discharge (First Month) | ≤3.5% |
| Self-discharge (After First Month) | ≤3.0% |
| Cycle Life | ≥8000 cycles @70% SOH (25°C) |
| Weight | 5600±300g (5.6kg) |
Cell Dimensions
| Parameter | Specification |
|---|---|
| Height (With Terminal) | 207.2±0.5mm |
| Height (Without Terminal) | 204.6±0.5mm |
| Width | 173.7±0.5mm |
| Thickness | 71.7±0.8mm |
| Terminal Center Distance | 123.0±0.3mm |
Specifications of EVE MB31 314Ah LiFePO4 Battery Cell
| ITEM | SPECIFICATION |
|---|---|
| Nominal Capacity | 314.0Ah |
| Nominal voltage | 3.2V |
| Charge voltage (End current) | 3.65V |
| Discharge ending voltage | 2.5V (T>0°C) / 2.0V (T≤0°C) |
| Nominal energy | 1004.8Wh@0.5C |
| Max continuous discharge current | 314A |
| Max. peak discharge current | 628A@30S |
| Max. continuous charge current | 157A |
| Charge temperature range | 0~60°C |
| Discharge temperature range | -30~60°C |
| Storage temperature | 0~35°C (1 Year) / -20~45°C (1 Month) |
| Internal resistance | 0.18±0.05mΩ (AC 1kHz) |
| Cycle life | ≥8000 cycles @70% SOH (25°C, 1P) |
| Self-discharge (First Month) | ≤3.5% |
| Self-discharge (After First Month) | ≤3.0% |
| Recommended SOC Window | SOC: 27%~100% |
| Cell size | 71.7(T)*173.7(W)*207.2(H)±0.5mm |
| Weight | 5.60±0.30kg |
Expertly Defining the Future of Charging
From concept design to mass production, we provide end-to-end custom EV charging solutions. Backed by strong R&D and flexible manufacturing, we help you seize the market quickly.
Global Standards
Strictly designed to UL, CE, FCC, and RoHS standards, ensuring your brand enters global markets without regulatory barriers.
Full-Stack R&D
Complete in-house team for hardware circuitry, structural engineering, and software platforms, supporting complex deep customization.
Flexible Mfg.
Agile production lines support rapid switching from pilot runs to mass production, significantly shortening your time-to-market.
OEM/ODM Standardized Process
01. Consultation & Evaluation
In-depth communication regarding market positioning, technical specs (power, interface), budget, and lead time.
02. Design & Engineering
Industrial Design (ID), structural stacking, and electrical schematics. We provide 3D renders and specs for approval.
03. Prototyping
Creation of functional prototypes for preliminary electrical testing, thermal analysis, and assembly verification.
04. Testing & Certification
Assistance with obtaining UL, TUV, CE, ETL, and other international certifications to ensure safety and compliance.
05. Mass Production & QA
Volume production implementation with strict IQC, IPQC, and OQC quality management, including 100% burn-in testing.
06. Delivery
Custom branded packaging, professional logistics coordination, and comprehensive technical documentation support.
Comprehensive Customization Options
Brand Identity
Logo, Silkscreen, Packaging
Industrial Design
Casing Material, Shape, Color
Electrical Specs
Power (7-22kW), Cable Length
Smart Features
RFID, App, OCPP Integration
Collaborate with us for a greener energy future.
Who We Are
Professional Energy Storage Solutions Provider
**Dongguan FengChiDianChe New Energy Technology Co., Ltd.** (Fench Energy) is a professional enterprise integrating R&D, production, and sales of energy storage lithium batteries.
We focus on providing customized green energy solutions for global clients, empowering the low-carbon economy through high-quality products like LiFePO4 batteries, Home Solar Storage Systems, and Portable Power Banks.
3,000m²
Standardized Workshop
40+
Skilled Specialists
100%
Quality Tested
5 Years
Product Warranty
Advanced Manufacturing
Ensuring stable supply and reliable quality with solid hardware
Automated Assembly
Modern battery pack production lines with precision welding studs and terminal pressing ensuring structural integrity.
Professional Lab
Advanced ATE testing equipment and aging rooms. We conduct charge/discharge tests and BMS installation verification.
Efficient Delivery
Professional packaging for battery safety. Warehouses in EU and USA enable fast logistics and FBA one-stop service.
Qualification Display
UN38.3 / MSDS / CE-EN IEC 62133 / 62619
Customer-Oriented Services
All-round support to meet diverse needs
Flexible OEM/ODM
Low MOQ options suitable for wholesalers and distributors. Fully customized solutions from cell to casing.
Overseas Warehouses
Local warehouses in the EU and USA (more under construction) ensure rapid response and lower shipping costs.
After-Sales Guarantee
5-year product warranty and 24-hour rapid response team to solve any technical issues immediately.
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