OEM Lithium Battery Pack Manufacturers & Suppliers

High-Performance Custom Lithium Battery Packs

Engineered for high thermal stability, prolonged cycle life, and seamless system integration.

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Custom 5kWh LiFePO4 Home Energy Storage Battery

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Global Procurement Landscapes for Enterprise Energy Systems

How modern supply chains, sustainability metrics, and regulatory mandates shape the selection of OEM/ODM battery manufacturers.

Supply Chain Security

Global enterprises demand cell-to-pack traceability. Partnering with a vetted OEM supplier guarantees secure, Tier-1 LFP cell sourcing, shielding projects from raw material price volatility and shipping bottlenecks.

Regulatory and Compliance Compliance

Navigating standards like UL 1973, UL 9540A, CE, FCC, PSE, and UN 38.3 is mandatory. Global buyers require pre-certified designs to eliminate regulatory barriers in European, North American, and Asian markets.

Custom Mechanical Design

Standardized enclosures rarely fit specialized platforms. Modular custom battery packs engineered with optimal dimensional, thermal, and weight dynamics are essential for heavy duty integrations.

The Information Gain Perspective: For industrial procurement teams, sourcing a battery pack is not merely about capacity (kWh); it is about structural durability under vibrational stress, Smart BMS integration for remote monitoring, and safety mechanisms capable of preventing thermal runaway.

Manufacturer Profile

Shenzhen Grenergy Technology Co., Ltd.

Established in 2010, Shenzhen Grenergy Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, design, and manufacturing of premium lithium batteries, energy storage systems (ESS), and advanced battery management systems (BMS).

We provide comprehensive OEM and ODM customized services, aligning battery architecture with the exact power requirements of global clients. Through continuous engineering, Grenergy has established itself as an authoritative manufacturer, ensuring top-tier energy storage solutions reach worldwide industrial and residential markets.

10,000+

Production Area (sqm)

200+

Experts & Professionals

$3M

Product Liability Ins.

Technological Roadmap & Battery Pack Architecture

Deep-dive analysis of lithium chemistry, cell performance dynamics, and advanced safety controls.

LiFePO4 Chemistry

Lithium Iron Phosphate (LFP) offers an intrinsically safer option than NMC. It boasts a high thermal runaway threshold (>270°C) and supports 6000+ charge cycles at 80% Depth of Discharge (DoD).

Active vs. Passive Balancing

Our BMS modules leverage active balancing to redistribute charge across cells, maintaining uniform state-of-charge (SoC). This optimization maximizes battery pack lifetime and prevents localized over-stressing.

Thermal Modeling

By simulating heat flow inside battery pack enclosures, we design structural layouts with heat dissipation pathways, preventing thermal bottlenecks and ensuring continuous high-current discharge.

Our Journey

Company History and Brand Story

Since 2010, Grenergy has focused on the development of sustainable energy solutions to meet the growing demand for efficient, reliable, and eco-friendly power systems. Over more than a decade of research, Grenergy has engineered a diverse product portfolio, including Lead-acid replacement lithium batteries, Wall-mounted power walls, Portable power stations, Mobile home energy storage systems, and Trolley box portable power stations.

Our core values center on technical integrity, customer satisfaction, and continuous innovation. As green energy adoption accelerates, Grenergy's focus remains on delivering advanced battery designs that enable global commercial enterprises and individual users to transition into low-carbon operations safely.

Industrial Quality Controls

Data-Driven Quality Assurance

Grenergy operates in strict compliance with international manufacturing benchmarks. Our production processes and safety mechanisms undergo automated monitoring, tracking every battery pack assembly parameters such as internal resistance matching, weld integrity, and multi-stage cycling data.

Our 10,000 square meter factory floor maintains ISO9001, ISO14001, and ISO45001 facility certifications. To guarantee seamless customs processing and legal implementation globally, our battery packs are fully certified across international standards:

UL CE FCC PSE UN38.3 ROHS MSDS

Risk Mitigation: We back our manufacturing reliability by providing a $3,000,000 USD third-party product liability insurance, offering global B2B procurement partners complete confidence in our products' safety.

Macro-Industry Tailored Solutions

Custom lithium battery integration across specialized commercial sectors.

Residential & Commercial Solar ESS

Wall-mounted energy storage and modular rack layouts built with native communications protocol support to integrate seamlessly with Tier-1 solar inverters.

Recreational Vehicles & Marine

Deep-cycle 12.8V and 25.6V LFP batteries optimized to handle continuous vibrations, high humidity levels, and high surge currents for off-grid operations.

Light E-Mobility (Golf Carts & AGVs)

Customizable high-discharge 51.2V solutions engineered to withstand demanding torque requirements and repeated quick-charge sessions.

Brand Storytelling & Global Mission

From our beginning, Grenergy's core mission has been to empower global industries with highly reliable and safe energy storage options. We believe that renewable integration is only as reliable as the batteries backing it. That's why we focus on advanced battery cell testing, structural robustness, and reliable control programming. Our engineering ensures that transition to smart energy is seamless, minimizing carbon emissions while improving operational resilience.

Partners and Collaborations

We work alongside leading global organizations, industrial power designers, and key system integrators. By aligning our custom manufacturing workflows with advanced BMS tech providers, we continuously improve battery stability and introduce state-of-the-art updates to our customer systems.

Customer Testimonials & Case Studies

From solar installation teams in Germany to mobile backup integration suppliers in the USA, our clients value our customized engineering and open access to direct communication. Our commitment to transparent testing, real capacity matching, and proactive customer service helps clients deliver quality projects worldwide.

Global Battery Installation Project Site

Expert Engineering Q&A

Technical clarifications addressing battery design, cell safety, customization capabilities, and logistics.

Q What criteria does Grenergy use when grading and matching battery cells?

We follow strict sorting protocols. Prior to pack assembly, every prismatic cell undergoes capacity testing, static open circuit voltage tracking, and internal resistance evaluation. Only cells that fall within tight margins (internal resistance delta < 0.5mΩ, voltage variance < 2mV) are combined into the same pack. This matching prevents early degradation in the series configurations.

Q What features does your Smart BMS incorporate?

Our proprietary Battery Management System (BMS) offers real-time monitoring of voltage, current, and temperature at multiple sensor points. It protects against over-voltage, under-voltage, over-current, and short-circuit conditions, and features multi-channel high-temperature cutoff. It supports interfaces like CANbus, RS485, and Modbus for seamless communication with external controllers.

Q How does the $3M product liability insurance protect global buyers?

This insurance provides financial coverage against damages resulting from manufacturing defects. It offers an important layer of commercial protection and quality assurance for overseas engineering partners, commercial integrators, and distributors who incorporate our systems into major projects.

Q What is the expected lifespan and warranty on your lithium batteries?

Our LiFePO4 packs are rated for 3,000 to 6,000 charge cycles depending on operating conditions and Depth of Discharge (DoD) profiles. Under typical usage parameters, this equates to 8-15 years of operational life. We back our products with comprehensive warranty terms dependent on specific product ranges.

Q What customized OEM options can you support?

We support complete structural customization: including specialized sheet-metal or plastic enclosures, tailored thermal insulation designs, customized voltage ratings (12V to 400V+), capacity configurations, unique LCD status displays, and customized communication protocols to match your inverters or motor drive controllers.

Commercial & Industrial Production Line

High-capacity mobile packs, trolley units, and cabinet solutions for professional integrations.

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OEM 7.68kWh LiFePO4 Trolley Power Station

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ODM 25.6V 100Ah LiFePO4 Power Station Battery with Inverter

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