314Ah Storage Battery Cell And Pack

 

Xiamen Apollo focuses on researching, developing, and producing 314Ah Storage Battery Cell and Pack. Our core product lines include Longking Brand Energy Storage Battery, Energy Storage Pack, Industrial and Commercial Energy Storage Tank, and Distributed Storage Tank. We serve industries such as electric power, new energy, rail transit, industrial equipment manufacturing, and data center infrastructure. With core strengths in high conductivity, strong corrosion resistance, and customized service capabilities, we consistently deliver safe, reliable, efficient, and energy-saving electrical connection system solutions to customers worldwide.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Longking Brand Energy Storage Battery

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As an iterative upgrade product of 280Ah, the 314Ah energy storage cell achieves a 12% increase in capacity under the standard size of 71173, which is the best balance between the cost and performance of the current energy storage system. By increasing the volume energy density by 33% (up to 395Wh/L), it can accurately match the 5MWh system of 20-foot containers, meet the capacity requirements of the national standard GB/T 36276 for "de-sharing", and has become the mainstream choice for long-term energy storage, wind and solar distribution and storage, and shared energy storage for more than 4 hours.

 

1.1 Material and performance advantages
Cathode material: nano-scale lithium iron phosphate (LFP), gram capacity ≥ 155mAh/g, compaction density 2.4g/cm³, cycle life ≥ 8000 times (80% DoD, 25°C).
Anode technology: artificial graphite silicon-carbon composite (pre-lithiation treatment), the first effect is ≥95%, and the low temperature capacity retention rate of -30 °C is ≥80%.
Separator and electrolyte: 12μm composite ceramic coated separator (tensile strength≥ 2000 kgf/cm²), customized wide temperature electrolyte (-40~70°C).

 

Core technical indicators
 

Dimension	Technical Parameters	Industry Comparative Advantage
Energy density	179.4-180Wh/kg	8-12% higher than 280Ah
Cycle life	10000-15000 times (70% SOH)	Industry average 8000 times
Energy efficiency	≥96% (DC/DC)	Industry-leading level
Security certifications	UL9540A, UN38.3, IEC62619	cover the global mainstream market access
Thermal stability	thermal runaway temperature ≥ 800°C	more than 300°C higher than ternary lithium

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.2 Production process
Electrode piece manufacturing: twin-screw pulping system (viscosity control ±5%), double-sided coating (areal density deviation <1.2%), rolling thickness tolerance ± 1.5μm.
Assembly process: automatic winding machine (alignment accuracy±0.05mm), laser welding (solder joint tensile force≥ 200N), liquid injection vacuum≤10Pa.

Formation & Sorting:
Multi-stage formation (SOC 20%~100%, 48 hours)
Full Channel Sorting (<1% Capacity Difference, <5mV Voltage Difference)

 
BOM Cost Reduction:
50% reduction in cell count (compared to 280Ah)
47% fewer connection points and 30% higher assembly efficiency

O&M Cost Optimization:
Single-cabin 5 MWh design, 50% reduction in monitoring points
15% reduction in energy loss in the liquid cooling system (with thermal simulation diagram)
Size compatible: It shares the production line with 280Ah and supports fast switching
Intelligent management: full-time domain equalization technology (equalization time shortened by 80%), supports 1C fast charging

 

1.3 Application scenarios
Energy storage of new energy power stations: suitable for photovoltaic and wind energy storage systems, improves the utilization rate of renewable energy, and stabilizes the operation of the power grid.

Industrial energy storage: It is suitable for peak-to-valley power regulation and industrial and commercial energy storage systems to reduce electricity costs and improve energy efficiency.

Data Center Backup Power: Replaces traditional lead-acid batteries, improves power supply reliability, and supports uninterruptible power supply (UPS) systems.

 

2. Energy Storage Pack

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.1 Structure and protection design
Box material: 6063-T5 aluminum alloy frame (thickness 3mm) + flame retardant PC shell (UL94 V-0), IP65 protection, seismic grade IEC 60068-2-6 5Grms.
Thermal Management System:
Liquid-cooled version: plate change design, flow rate 6L/min, temperature difference ≤2°C
Air-cooled version: centrifugal fan ×2, heat dissipation power ≥ 500W
Electrical Properties:
Nominal voltage: 51.2V (16S configuration)
Continuous discharge: 1C (peak 3C/10s)
System energy efficiency: ≥95% (overall charge and discharge)

2.2 Core Technology
Cell technology
Material system: Lithium iron phosphate (LFP) is the mainstay, supporting 314Ah ultra-large capacity (energy density increased by 12% vs 280Ah), and the cycle life exceeds 12,000 times (2 cycles per day can be used for 15 years).
Process breakthrough: Flying stack thermal composite technology (honeycomb energy) reduces the damage of the electrode piece, the internal resistance is ≤ 0.3mΩ, and the multi-process integrated process (AGV automatic loading and unloading + online monitoring) has a yield rate of ≥ 99.5%.

2.3 System integration
Modular design: 1P52S standard pack (52 strings and 1 parallel), supports liquid-cooled/air-cooled dual mode, single cabinet capacity of 50- 200 kWh, covering an area of <2㎡ (such as watt power Longpack).
Intelligent Control:
BMS three-layer architecture (BMU/BCU/BAU) monitors voltage (accuracy ± 1mV) and temperature (±0.1°C) in real time, and supports cell balancing (dropout voltage≤5mV).
EMS energy management system, built-in virtual power plant (VPP) algorithm, supports peak-to-valley arbitrage + demand-side response (response time< 200ms), and increases revenue by 30%.

2.4 Thermal Management & Safety
Temperature control scheme: liquid cooling (temperature difference ≤3°C) is the mainstream, system efficiency is 89% (air cooling is 80%), and it supports wide temperature range operation of -10°C~55°C (Huayang sodium electric pack).

Five-level security protection:
(1) Double-insulated design of battery cells (withstand voltage 5000V)
(2) Intelligent fuse (overcurrent response<10ms)
(3) PACK grade perfluorohexanone fire protection (response time<5s)
(4) Directional EOD structure (pressure release≤0.5MPa)
(5) Digital twin early warning (SOH prediction accuracy ±2%)

2.6 Production and quality control
Production line configuration: automatic module stacking line (cycle time≤ 120s/pcs), laser welding penetration depth ≥ 0.8mm, helium leak detection rate < 0.3cc/min.
Test Standards:
EOL test: 100% overcharge/over-discharge protection triggers verification
Environmental test: -40°C~85°C 72h temperature cycle, IP67 waterproof verification (1m water depth 30 minutes)

2.7 Scenario-based solutions
Factory/Park (Peak-to-Valley Arbitrage)
Configuration: 250kW/500kWh liquid-cooled Pack×4 (2MWh total)
Revenue: A factory in Jiangsu has an annual income of 650,000 yuan from peak shaving and valley filling (price difference of 0.7 yuan/kWh, 2 cycles per day)
Technology: Dynamic electricity price prediction algorithm (error <5%), support load flexible adjustment (±15% power response)

Data Center (Backup Power + Peak Shaving)
Solution: 1MW/2MWh modular pack (N+1 redundancy)
Advantages: Millisecond switching (mains power interruption→ backup power <20ms), support 2 hours black start (TIA-942 Tier III satisfied)
Example: The annual electricity bill of a cloud computing center is reduced by 18%, and the UPS battery replacement cycle is extended by 3 years

Integration of Optical Storage and Charging (Green Power Consumption)
Configuration: 500kW/1MWh Pack + 120kW charging pile×10
Function: PV priority charging (consumption rate ≥95%), valley electricity price supplement, support V2G (bidirectional charging and discharging)
Data: The annual comprehensive income of a charging station in Shenzhen increased by 40% (peak power premium + demand-side response subsidy)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Industrial and Commercial Energy Storage Tank

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.1 Product Features
Flexible configuration: standard 20/40ft container, capacity 0.5MWh~5MWh, support AC/DC coupling.
High protection design:
Fire protection: Pack-level aerosol fire extinguishing device, box fire resistance limit≥1h (GB/T 9978.1)
Explosion Protection: Explosion venting valve with positive pressure ventilation (ATEX Zone 2 certified)
Intelligent O&M:
Remote monitoring platform (support Web/APP access)
Health (SOH) prediction error<3%

 

3.2 Core parameters
System voltage: 800V~1500V (compatible with mainstream inverters)
Charge/discharge efficiency: ≥92% (AC side)
Communication interface: RS-485/CAN/Ethernet (double redundant design)

 

3.3 Core technology
Extreme temperature control: Efficient operation in all temperature ranges
Non-assisted cooling technology: the industry's original full-temperature control (-20°C~55°C), abandoning liquid cooling/air conditioning, and reducing the cost of auxiliary sources by 46% (such as Xinneng'an Ampace C5)
Liquid cooling upgrade: precise temperature control± 1.5°C (module level)/±2.5°C (cabinet level), 3 times faster thermal response speed (S³-EStore)

 

Hierarchy	Technical Implementation	Test Standards
Cell-grade	Lithium iron phosphate material core shield technology (thermal runaway does not spread)	UL 1642 (needle puncture without open flame)
Module Level	Fuse Breaking Immersion Fire Protection (Perfluorohexanone Aerosol)	IEC 62619 (Overcharge Test Passed)
System-level	Top Explosion Vent Valve IP67 Protection (Waterproof and Dustproof)	UN38.3 (Vibration/Shock No Leakage)
Intelligent Millisecond	Thermal Runaway Warning (AI Algorithm)	Multi-level Fire Linkage GB/T 36276 (Fire Response≤10s)
Environmental Grade	Salt Spray Test 1000h (C4 Anti-corrosion) Seismic design (random vibration20- 2000Hzz)	IEC 60068-2 (Industrial Environment Certification)

 

3.4 Production strength
Workshop scale: 100,000-level dust-free assembly workshop, with an annual production capacity of 10GWh.
Integrated Process:
Seismic bracket: 8 seismic intensity certification
Harness management: robot wiring (error ±2mm)

 

4. Distributed Storage Tank

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.1 Product advantages
Modular design: a single cabinet capacity of 50kWh~500kWh, support wall-mounted/vertical installation, covering an area of <1㎡.
Efficient heat dissipation: independent air duct design (NACA deflector trough), noise < 65dB (@1m).
Grid Interaction:
Seamless on-grid and off-grid switching (<20ms)
Reactive power compensation function (±0.9 PF adjustable)

 

4.2 Technical Parameters
Input Voltage Range: 380VAC ±15%
Number of cycles: >6000 (70% DoD)
Degree of protection: IP55 (outdoor) / IP31 (indoor)
 

Dimension	Typical parameters	Industry benchmarking
Capacity specifications	10.24kWh~512kWh (support 50 parallel units)	Covering all scenarios from residential to industrial and commercial
Cycle life	≥6000 times (80% DOD, lithium iron phosphate battery)	The industry average is 5000 times
Efficiency	Charge and discharge efficiency≥95% (liquid cooling system)	Air cooling system≤92%
Protection class	IP65 (outdoor type) / IP55 (indoor type)	meet all-weather operation
Response speed	Millisecond-level power adjustment (supporting grid demand-side response)	better than the industry standard of 100ms
Safety design	millisecond-level short-circuit protection + AI thermal runaway warning (temperature rise rate≥5°C/min triggers active fire protection)	Passed UN38.3, IEC 62619 certification

 

4.3 Production quality control
Electrical test: 100% full power discharge test (for 4 hours)
Authentication:
Domestic: CQC certification, GB/T 36276
International: UL 9540, CE EMC/LVD

 

4.4 Application Scenarios
Industrial and commercial energy storage (cost reduction + low-carbon dual goals)
Solution: 1MW/2MWh liquid-cooled distributed energy storage cabinet, valley charging (0.6 yuan/kWh) → peak discharge (1.2 yuan/kWh), with photovoltaic consumption, to achieve a 30% reduction in comprehensive electricity price.

 

Communication Base Station (Reliability + Economy)
Solution: -48V distributed energy storage system, mains + photovoltaic + energy storage three sources complementary, support 10ms and off-grid switching, backup time ≥ 8 hours.
Advantages: peak shaving and valley filling income + emergency guarantee (zero station break rate in typhoon season), and the annual operation and maintenance cost of a single station is reduced by 40%.

 

Distribution network station area (power quality + consumption improvement)
Solution: A 100kW/213kWh intelligent liquid freezer (such as the Shaanxi project of State Grid) is deployed on the low-voltage side to solve the problems of PV reverse voltage exceeding the limit and three-phase unbalance.
 

 

Why choose us?

 

1. Group strength: a solid foundation for cooperation
Funds and production capacity: registered capital of 120 million yuan, 3 major production bases (Xiamen/Ningbo), annual total production capacity of 8,000 tons of metal parts, equipment utilization rate of 92%, ensuring stable delivery of 100,000+ batch orders
Industry focus: Deeply cultivate new energy (annual revenue of 120 million, accounting for 60%), low-voltage electrical (annual revenue of 80 million, accounting for 40%), customer repurchase rate of 85%

 

2. Technical barriers: cost reduction capabilities from the leader
Team genes: The core backbone comes from Xiamen Hongfa (the world's number one relay), with 30 years of experience in the electrical industry, and the original "cost reduction solution library" (such as contact knife weight reduction of 15% while maintaining strength, with DFMEA report attached), which reduces the material/process cost for customers by 8-12% on average
Full process coverage (7 core processes + 3 flexible technologies):
▶ Forming process: cold heading (silver contact ±0.01mm), stamping (busbar flatness ≤0.05mm), stretching (lithium battery shell depth-to-diameter ratio 3:1)
▶ Connection process: laser welding (melting depth 0.8-2mm), resistance welding (relay core welding strength ≥80MPa), vacuum diffusion welding (precision parts without oxidation)
▶ Surface treatment: silver plating 3μm (uniformity ±10%), gold plating 0.8μm (salt spray 72h), support RoHS/halogen-free customization
▶ Flexible production: laser cutting/CNC process, small batches of 50 pieces or more without mold opening, and proofing costs are 70% lower than traditional mold opening

 

3. Quality assurance: the reassuring commitment to automotive-grade standards
Process control:
Robot welding CPK≥1.67 (with 2024 Q3 quality report)
100% weld flaw detection (UT MT double inspection, up to GB/T 11345 level II).

 

4. Certification Endorsement
The company has passed various quality system certifications: ISO9001-2015, IATF16949, ROHS, REACH, etc.

 

 

 

 

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