Energy Storage Battery Manufacturers & Factory for the Chittagong Market

Industrial-Grade LiFePO4 Energy Storage Systems, EV Charging Infrastructure, and Photovoltaic Solutions Engineered for Bangladesh's Dynamic Commercial Corridors

TONGXING NEW ENERGY TECHNOLOGY CO., LTD.

A National High-Tech Enterprise Pioneering Smart Charging & Energy Storage Solutions

As a certified national high-tech enterprise with 23 years of expertise in the energy sector, Tongxing specializes in the R&D, production, and global distribution of innovative electric vehicle (EV) charging systems and high-voltage energy storage architectures. Our comprehensive product portfolio spans from 3.5KW residential AC chargers to industrial-grade 960KW ultra-fast DC charging stations, complemented by integrated photovoltaic (PV) and battery energy storage solutions (BESS).

We are committed to delivering bankable energy hardware that addresses the specific challenges of emerging markets like Bangladesh, where power quality, grid fluctuations, and thermal performance are critical vectors for commercial success.

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Tongxing Full-Scenario Energy Ecosystem Solution

Energy Crisis & Industrial Demand in Chittagong

An in-depth analysis of the energy profiles of the Ready-Made Garments (RMG), steel manufacture, and logistics sectors of Bangladesh's commercial capital.

01. The Grid Reliability Dilemma

Chittagong (Chattogram) serves as the primary economic gateway of Bangladesh, housing the country's largest maritime port and driving over 30% of its GDP. However, the region is persistently vulnerable to power supply challenges. Rapid urbanization, coupled with heavy industrialization across the Chittagong Export Processing Zone (CEPZ) and Karnaphuli EPZ, places immense stress on the national grid. Industrial feeders regularly experience severe voltage fluctuations, frequency variations, and planned or unplanned load shedding. For high-precision textile, garment, and chemical processing facilities, even a minor micro-outage can result in ruined production runs, machinery damage, and extensive economic losses.

Traditionally, industrial operations in Chittagong have relied heavily on diesel generator sets to bridge grid gaps. However, with rising diesel fuel costs, environmental regulations, and the national push toward the Mujib Climate Prosperity Plan, diesel power is no longer a sustainable option. Transitioning to industrial-grade Lithium Iron Phosphate (LiFePO4) Energy Storage Systems (BESS) offers a zero-emission, economically superior alternative that ensures uninterruptible process stability.

02. Applications in the Garments & Heavy Industries

The Ready-Made Garments (RMG) sector in Chittagong requires continuous, stable electricity to maintain the operation of automated cutting machines, sewing lines, and textile dyeing machinery. Fluctuating voltage damages delicate electronic control panels and PLC systems. Industrial-scale lithium energy storage systems provide active voltage stabilization and sub-millisecond UPS switching capabilities. Furthermore, steel mill furnaces and cold rolling factories generate massive peak loads that incur high demand fees from local electricity distributors like BPDB and Chittagong PBS. BESS systems enable peak-shaving mechanisms that discharge power during peak demand intervals, helping factories avoid peak tariffs and lower overall operational expenses.

72,000m²
Production Base
23+ Yrs
Energy Expertise
≥6,000
LiFePO4 Cycle Life
45+
Exporting Countries

Manufacturing Excellence & R&D Capabilities

How Tongxing leverages its advanced Chinese supply chain, fully automated assembly lines, and rigorous ISO testing protocols to deliver highly competitive solutions.

72,000m² Intelligent Production

Equipped with 18 automated battery assembly lines and IoT-enabled quality control, achieving a 95% production automation rate for consistent cell matching.

High-Caliber Workforce

Over 200 dedicated specialists, including 140+ certified technical operations engineers, 20+ R&D innovation specialists, and 40+ ISO-9001 quality controllers.

Full-Stack R&D Scope

Complete control over system topology, including advanced liquid/forced air thermal management, embedded BMS firmware, and OCPP 1.6J/2.0 integrations.

The global dominance of Chinese battery manufacturing stems from vertical integration. By securing direct access to raw lithium carbonate, refining processes, cathode/anode production, and intelligent Battery Management System (BMS) design, Tongxing reduces manufacturing costs by up to 35% compared to European or American competitors. For Chittagong buyers, this equates to premium quality at an optimized Levelized Cost of Storage (LCOS).

Commercial & Industrial Integrated Solution Architecture

Comparing the parameters and performance of conventional power supply schemes with our smart PV-Storage-Charging system.

Performance Indicator Traditional Power Setup (Grid + Diesel Backup) Tongxing Integrated Solar-Storage Solution Net Improvement & Financial Impact
PV Self-Consumption Rate 50% (due to grid feed-in limitations) 85% - 95%+ (optimized local routing) ↑ 70% increase in renewable utilization
Comprehensive Levelized Cost of Energy (LCOE) 0.85 USD / kWh (impacted by diesel pricing) 0.62 USD / kWh (amortized over 10 years) ↓ 27% reduction in energy procurement costs
Uninterruptible Switching Time (UPS) 8 to 15 seconds (diesel startup interval) ≤ 10 milliseconds (seamless transfer) Eliminates manufacturing line interruptions
Annual Carbon Footprint High (dependent on fossil fuel backup) 40% - 60% reduction (auditable metrics) Facilitates ISO 14064 certification compliance
System Lifespan & Cycle Life High maintenance on rotating parts ≥ 6,000 cycles at 80% Depth of Discharge 15+ years of reliable operational service life

Tailored Chittagong Applications

Specific use cases detailing how residential, commercial, and industrial facilities in Chattogram deploy our energy storage products.

Optical storage charging system diagram

Scenario A: Off-Grid & Unstable Grid Industrial Parks

For industrial parks located on the outskirts of Chittagong, such as Mirsarai and Anwara, the electrical infrastructure can be highly unstable. Our containerized high-voltage battery storage systems (ranging from 100kWh to 10MWh) function as localized microgrids. Equipped with intelligent islanding protection, the system guarantees 72 hours of continuous backup operation, keeping heavy machinery running smoothly even during extended grid outages.

Scenario B: Integrated Solar-Storage Ports & Logistics Hubs

With the expansion of the Chittagong Port and the development of new deep-sea terminals, electrification of heavy logistics is a priority. Deploying high-efficiency solar canopies over logistics yards allows operators to capture solar energy, store it in modular LiFePO4 battery banks, and distribute it to heavy electric container handling equipment and local transport fleets via 120kW-360kW DC fast chargers.

Industrial & Commercial Integrated Photovoltaic-Energy Storage-Charging Solution

Scenario C: Residential Powerwalls & Commercial Complexes

High-rise residential developments and retail complexes in GEC Circle and Agrabad benefit from modular home energy storage batteries (5kWh-15kWh) paired with hybrid solar inverters. During off-peak hours, the battery stores energy from the grid or solar panels. When grid outages occur, it automatically provides backup power, reducing reliance on noisy, polluting rooftop diesel generators and keeping essential services running.

Hardware Engineering & Operational Architecture

A technical breakdown of our battery chemistry, smart battery management, and environmental protection features.

Advanced Lithium Iron Phosphate (LiFePO4) Chemistry

Our entire storage range utilizes high-grade LiFePO4 cells. LiFePO4 is the safest chemistry for tropical climates like Bangladesh, offering excellent thermal stability and eliminating the risk of thermal runaway associated with older NMC-based lithium chemistries. The cells operate safely in ambient temperatures up to 60°C without requiring energy-intensive HVAC chilling, significantly reducing parasitic cooling losses.

Intelligent Cloud-Connected BMS

Every battery module features a proprietary active-balancing Battery Management System (BMS). The BMS monitors cell voltages, internal impedance, and temperatures in real-time. With an integrated IoT gateway, operators can remotely monitor their energy storage assets from anywhere in Bangladesh. The system supports OCPP 2.0.1 protocols for seamless integration with commercial charging networks and virtual power plants (VPPs).

Frequently Asked Questions (FAQ)

Key technical and procurement insights for commercial buyers, engineers, and installers in the Chittagong market.

Q1: How does LiFePO4 battery technology handle the high humidity and high temperatures of Chittagong?
Our storage systems are IP55 to IP65 rated, with internal conformal coatings on all PCBs to prevent corrosion from saline humidity. The thermal management system utilizes dual-row forced air or liquid cooling plates, allowing cells to operate efficiently within their optimal window, even when ambient temperatures reach 45°C.
Q2: Can these batteries be directly integrated with existing diesel generators?
Yes. Through our hybrid PCS (Power Conversion System), the battery storage works in tandem with diesel generators. The system ensures the generator runs at its most fuel-efficient load point (typically 75-80%), using the battery to handle sudden load surges, which can reduce diesel fuel consumption by up to 40%.
Q3: What is the payback period for a commercial BESS system in Bangladesh?
Depending on local PBS tariffs and load shedding patterns, the average payback period ranges from 3.8 to 5 years. This is driven by avoiding peak demand charges, optimizing solar self-consumption, and reducing diesel generator runtime and maintenance costs.
Q4: Do you assist with local customs clearance at Chittagong Port?
We supply products under various Incoterms, including FOB, CIF, and DDP. We work closely with leading Bangladeshi clearing and forwarding (C&F) agents to ensure all documentation, HS codes, and import permits are handled smoothly at Chittagong Port.
Q5: What certifications do your batteries carry for industrial compliance?
Our manufacturing facility and products are fully certified under ISO 9001, ISO 14001, CE, TÜV Rheinland, IEC 62619, UN38.3, and UL1973, ensuring compliance with international safety and performance standards.
Q6: How does the BMS balance the cells, and what happens if a cell fails?
Our BMS uses active balancing technology to redistribute energy across cells during charge and discharge cycles, which maximizes usable capacity and extends system lifespan. If a cell fails, the modular design allows for hot-swapping individual modules without shutting down the entire rack.

Commercial Systems & EV Charging Infrastructure

High-voltage battery cabinets, integrated all-in-one systems, and commercial-grade EV fast chargers designed for logistics fleets and public infrastructure.

Looking for Large-Scale Custom Battery Racks or High-Power EV Hubs?

Our engineering team can design custom containerized lithium systems from 100kWh to 10MWh, tailored to meet your factory's electrical specifications and site constraints.

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Deploy Bankable Storage Solutions in Chittagong

Get in touch with our design engineers for a complimentary system configuration and ROI analysis. We provide comprehensive technical documentation, drawings, and shipping logistics schedules directly to your inbox.

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