In Stock Pre-assembled 8000 Cycles 16kWh 51.2V 314AH LiFePO4 Solar Syestem Battery Pack CE certified ,Built-in BMS , air circuit breaker, fire extinguisher

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Every cell in our battery system goes through strict testing after being activated and tested by the original manufacturer (e.g., EVE CATL CALB ). We don’t sample—we test every single cell.

Step 1: Capacity Grading (2 days)

Even within the same production batch, tiny variations in manufacturing cause subtle differences in capacity and internal resistance. Capacity matching identifies these differences and groups cells with closely matched parameters together, greatly improving the battery pack’s performance, cycle life, and safety. Each cell’s test data is recorded and linked to its unique ID (QR code), allowing full traceability. If a battery pack ever experiences issues, every cell’s production and capacity data can be traced for analysis.

Step 2: Aging Test (2 weeks)

New cells are chemically active and may hide tiny defects (like micro-shorts or impurities). Over time, these flaws reveal themselves as abnormal self-discharge. Aging tests:

1. Remove unstable cells,
2. Stabilize internal chemistry,
3. Improve long-term reliability.

The built-in battery cell is CALB A+

CALB originates from the China Aviation Industry Corporation, inheriting a “zero-tolerance” aviation-grade safety culture. In large-scale energy storage, safety is the absolute foundation—without it, nothing else matters.

By applying aerospace-grade quality systems, CALB ensures rigorous manufacturing control and exceptional cell consistency, far exceeding typical industrial standards. This provides the fundamental safety baseline your project requires, significantly mitigating risk.

The company is a top-three supplier for large-scale energy storage projects in China and a long-term partner to leading energy giants including State Grid, China Southern Power Grid, and the major national power generation groups. Its cells are proven across grid-side and generation-side storage applications, delivering long cycle life, high consistency, and reliable performance.

Triple-Safeguard 

 Tier 1 safeguards ： BMS with superior stability 

It precisely monitors every cell's voltage and charging/discharging currents (±10mV / ±1%!), providing instant protection against over/under-voltage, dangerous over-current (with smart limiting), and short circuits. 

Plus, intelligent cell balancing keeps your batteries healthier and lasting longer. All critical safety settings are adjustable. 

Please click the link for detailed functions:  https://deligreencs.com/pages/home-energy-storage-lithium-lfp-nmc

 Tier 2 safeguards ：250A Air Circuit Breaker: Your Instant Firewall

Air circuit breakers use air as an arc extinguishing medium. When a circuit fails, they can quickly cut off the current and protect the circuit and equipment. Compared with other circuit breakers, they have higher breaking capacity and more precise adjustable parameters. Cuts Power in 0.1m (faster than a lightning strike!)

 Tier 2 safeguards ：Built-in fire extinguisher

In the event of prolonged overloads or a short circuit in the BMS or a cell, the built-in automatic fire-suppression system triggers to extinguish any ignition and protect users and property. It also responds to externally generated heat or nearby fires by activating at elevated temperatures to limit thermal runaway and minimize battery damage.

Compared to traditional agents, aerosol extinguishers work without oxygen (crucial for lithium battery thermal runaway), are non-conductive (won’t short circuits), penetrate deeply into battery cells, leave minimal residue, and react within seconds.

Why Choose a Factory-Assembled Battery System?

Opting for a factory-integrated system is the smart choice for a seamless, safe, and powerful energy storage solution. We handle the complex engineering and rigorous testing, so you can enjoy reliable power without the hassle.

🔸 1. Save Time & Eliminate Hassle
Enjoy true plug-and-play convenience. Our systems arrive ready for connection, eliminating the need for complex sourcing, assembly, and configuration required for a DIY project.

🔸 2. Guaranteed Safety & Correct Installation
Prevent costly and dangerous errors. Every connection is made to precise specifications by trained technicians, removing the risk of assembly mistakes that could damage equipment or create safety hazards.

🔸 3. Built-In Reliability & Structural Integrity
Benefit from industrial-grade engineering. Each unit undergoes precision assembly for optimal thermal management and mechanical strength, ensuring full compliance with design specifications and long-term durability.

🔸 4. Performance Verified Before Delivery
Receive a system guaranteed to work. Every unit is pre-configured and undergoes comprehensive testing prior to shipment, validating safety, communication, and power performance so it operates optimally from day one.

🔸 5. Complete System, Ready to Use
Start immediately with all essential accessories included at no extra cost. Your system comes complete with:

1. Host Computer (Monitoring) Cable

2. Ethernet Cables

3. Inverter Parallel (Connection) Cable

Parameter	Specification
Rated Energy (kWh)	16kWh
Configuration	IP 16S
Nominal Voltage (V)	51.2 V
Working Voltage Range (V)	42 V ~ 58.4 V
Nominal Capacity (Ah)	314 Ah
Rated Charge/Discharge Current (A)	100 A (Charge) / 200 A (Discharge) @ 25±2°C
Maximum Continuous Charge Current (A)	200 A @ 25±2°C
Maximum Continuous Discharge Current (A)	200 A @ 25±2°C
Operating Temperature (°C)	Charge: 0 ~ 40°C Discharge: -20 ~ 60°C
Humidity Range (%)	5% ~ 95%
Altitude Limit (m)	0 ~ 3000 m
Weight (kg)	132kg
Dimensions (mm)	797 × 415 × 270 mm
Storage Temperature/Humidity	Within 1 month: -10°C ~ 35°C Within 3 months: 25±2°C, 65%±20% RH
Cycle Life	8000 cycles @ 25°C, 50A charge/discharge current, 80% DOD
IP Rating	IP20
Communication Interface	CAN & RS485

 

CE certified

🥇Official Warranty & Service Commitment🥇

Since 2010, Deligreen Power has been dedicated to delivering innovative, reliable energy solutions with a mission to exceed customer expectations. For nearly 15 years, your satisfaction has been our driving force. To uphold this commitment, we proudly offer the following guarantees:

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1. Comprehensive Warranty Coverage

10-Year Full Warranty:
All order product are covered against defects in quality issue for 10 years from the date of purchase.

Free Replacement or Refund: If a defect is confirmed, we will replace the product or issue a full refund at no cost to you.

No-Hassle Process: Simply contact our support team with proof of purchase and a detailed description of the issue.

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2. Lifetime technical support

• Troubleshooting guidance for installation, configuration, and software.
  
• Repairs:
  Our engineers will perform remote diagnostics based on the videos and photos you provide and propose a repair plan. If the issue is caused by a quality problem, all repair-related costs will be covered by the seller.

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How to Claim

1. Contact us via email (sales15@deligreenpower.com) or WhatsApp (+86 151 1640 9506).
2. Provide your purchase invoice and a brief issue description.
3. Our team will guide you through diagnostics or arrange a replacement/refund immediately.

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• To treat every customer with respect, integrity, and urgency.
• To continuously innovate for safer, greener energy solutions.
• To stand by our products and promises—today, tomorrow, and beyond.