ESS Batteries, Lithium Cells & BMS Accessories | Synergy Technology China
⚡ Factory Direct — Global Export

High-Performance Energy Storage
Products from China

ESS Batteries, LiFePO4 Cells, Prismatic Cells, Cylindrical Cells & Smart BMS Accessories — engineered for solar, grid, EV, and industrial applications.

10+
Years Experience
50+
Countries Served
10K+
Cycle Life
OEM
Available
CE / UN38.3 Certified
🏭 Factory Direct Pricing
🌍 Global Export Ready
🔋 LiFePO4 Technology
💬 24/7 Technical Support
📦 Fast Worldwide Shipping
Our Product Range

Complete Energy Storage Solutions

From residential solar batteries to industrial ESS systems — we supply the full chain. Every product is manufactured to international standards and exported worldwide.

ESS Home Storage Lithium Battery — Synergy Technology
Most Popular

ESS Batteries

High-capacity LiFePO4 energy storage batteries for home, commercial, and industrial use. Available from 5kWh to several MWh. Solar-compatible, grid-ready.

  • 5kWh – 100kWh+ systems
  • 10,000+ cycle life (LiFePO4)
  • Smart BMS integrated
  • Indoor & outdoor rated
Lithium Cells Prismatic Cylindrical — Synergy Technology
Factory Direct

Lithium Cells

Premium prismatic and cylindrical LiFePO4 cells for battery pack assembly, EV manufacturing, solar storage, and power tool applications.

  • Prismatic & cylindrical formats
  • Grades: A / B / C available
  • LiFePO4 chemistry
  • OEM & bulk orders welcome
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Smart Tech

BMS Accessories

Advanced Battery Management System accessories for precision monitoring, overcharge/over-discharge protection, balancing, and thermal management.

  • Active & passive balancing
  • 8S–32S configurations
  • CAN / RS485 / Bluetooth
  • Thermal protection built-in
Prismatic Cells LiFePO4 — Synergy Technology
High Density

Prismatic Cells

High energy density prismatic LiFePO4 cells ideal for building custom battery packs for solar, UPS, telecom, and EV applications.

  • 50Ah – 280Ah capacities
  • Compact aluminum housing
  • Superior energy density
  • Low self-discharge rate
Cylindrical Lithium Cells 18650 21700 — Synergy Technology
EV & Tools

Cylindrical Cells

18650 and 21700 format cylindrical lithium cells. High discharge rate, ideal for electric vehicles, e-bikes, power tools, and portable energy devices.

  • 18650 / 21700 / 26650 format
  • High C-rate discharge
  • EV & e-bike compatible
  • Bulk wholesale available
15kWh LiFePO4 Battery Pack — Synergy Technology
Featured

15kWh LiFePO4 Battery

Our flagship 15kWh stackable LiFePO4 battery system. Perfect for mid-size residential and small commercial solar energy storage installations.

  • 15kWh usable capacity
  • Stackable up to 3 units (45kWh)
  • Hybrid inverter compatible
  • 10-year performance warranty
Industries We Serve

Powering Every Application

🏠

Residential Solar

Home backup and solar storage systems

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Industrial

Factories, warehouses, data centers

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Solar Farms

Utility-scale energy storage

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Electric Vehicles

EV & e-bike battery packs

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Telecom

Cell tower & telecom backup power

🚢

Marine

Boat and marine vessel power

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Commercial

Offices and retail energy management

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UPS Systems

Uninterruptible power supply backup

ESS Batteries

Trusted ESS Battery Supplier
in China

At Synergy Technology, we specialize in the global supply of high-quality Energy Storage System (ESS) batteries. With a strong commitment to innovation, safety, and sustainability, we deliver advanced lithium battery solutions designed to meet the growing demand for reliable energy storage across residential, commercial, and industrial sectors.

  • Renewable Energy Integration — Compatible with solar, wind, and hybrid systems
  • Load Balancing & Peak Shaving — Reduce energy costs intelligently
  • Grid Independence — Off-grid and hybrid-grid capable
  • Emergency Backup Power — Never lose power during outages
  • OEM Available — White-label and custom branding options
Home Storage ESS Lithium Battery System by Synergy Technology
Home Lithium Battery Storage System
Residential

Home Storage
Lithium Battery

Reduce your electricity bills and gain true energy independence. Our home storage lithium battery systems integrate seamlessly with your solar panels to store surplus energy — giving you clean, reliable power day and night.

  • Available in 5kWh, 10kWh, and expandable modular systems
  • Indoor & outdoor rated enclosures
  • Wi-Fi and app-based monitoring
  • Compatible with all major hybrid inverters
Commercial & Industrial

Industrial & Commercial Storage

Power your operations with high-capacity ESS systems for factories, warehouses, data centers, and utilities.

High Capacity Output

Systems ranging from 100kWh to several MWh, designed for large-scale industrial energy needs.

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10,000+ Cycle Life

LiFePO4 chemistry ensures over 10,000 charge cycles with minimal capacity degradation.

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Smart Energy Management

Integrated BMS and EMS with real-time monitoring, remote control, and predictive maintenance.

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Modular & Expandable

Easily scale storage capacity as your business grows — add modules without replacing existing systems.

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Cost Savings

Peak shaving and load shifting reduce demand charges and lower your total energy spend significantly.

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Low Maintenance

Sealed LiFePO4 cells require no regular maintenance — just install, monitor, and save.

Technical Specifications

ESS Battery Spec Sheet

ParameterHome StorageCommercialIndustrial
Capacity Range5kWh – 20kWh20kWh – 100kWh100kWh – MWh
Cell ChemistryLiFePO4 (Lithium Iron Phosphate)
Nominal Voltage48V48V / 96VCustom
Cycle Life≥ 6,000 cycles @ 80% DoD | ≥ 10,000 cycles @ 50% DoD
Operating Temp.Charge: 0°C to 45°C | Discharge: -20°C to 60°C
CommunicationWi-Fi / CANCAN / RS485CAN / RS485 / Modbus
IP RatingIP55 (outdoor)IP55IP65
Warranty10 years10 years10 years
CertificationCE, UN38.3, IEC62619, UL1973
OEM AvailableYes — custom branding & configuration
Lithium Cells

Prismatic & Cylindrical
LiFePO4 Cells

We supply premium-grade lithium cells directly from Chinese manufacturing facilities. Available in prismatic and cylindrical formats, our cells are used by battery pack assemblers, EV manufacturers, solar integrators, and electronics companies worldwide.

  • Grade A / B / C cells available at competitive pricing
  • LiFePO4 chemistry — safest lithium technology
  • Strict QC: capacity, internal resistance, DCIR tested
  • MOQ flexible — sample orders accepted
  • Export documentation: MSDS, UN38.3 provided
LiFePO4 Lithium Cells — Prismatic and Cylindrical
Cell Types

Our Cell Formats

🔲 Prismatic Cells

Flat, rectangular form factor with high energy density. Ideal for building compact, high-capacity battery packs with excellent space efficiency.

SpecValue
Capacity50Ah / 100Ah / 150Ah / 200Ah / 280Ah / 304Ah
Voltage3.2V nominal
ChemistryLiFePO4
DimensionsStandard blade / pouch formats
Cycle Life≥ 4,000 cycles @ 80% DoD
ApplicationsSolar ESS, EV, UPS, Marine

🔵 Cylindrical Cells

Round form factor with high discharge rates. Excellent for high-power applications including electric vehicles, e-bikes, power tools, and portable devices.

SpecValue
Formats18650 / 21700 / 26650 / 32700
Capacity2.5Ah – 6Ah (varies by format)
Voltage3.2V nominal
Max DischargeUp to 10C continuous
Cycle Life≥ 2,000 cycles @ 80% DoD
ApplicationsEV, e-bike, power tools, portable
BMS Accessories

Smart Battery Management
System Accessories

Protect, monitor, and optimize your battery packs with our advanced BMS accessories. Designed for LiFePO4, NMC, and other lithium chemistries — our BMS solutions deliver precision control, safety protection, and real-time data communication for any application.

  • Overcharge & Over-Discharge Protection — Prevents cell damage automatically
  • Active & Passive Cell Balancing — Extends pack life and maximizes capacity
  • Thermal Management — Temperature monitoring with cut-off protection
  • Communication — CAN bus, RS485, Bluetooth, RS232 options
  • Multiple Configurations — 8S, 12S, 16S, 20S, 24S, 32S available
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BMS Products

BMS Specifications

FeatureStandard BMSSmart BMSActive Balancer BMS
Cell Series8S – 16S8S – 24S4S – 32S
ChemistryLiFePO4 / NMCLiFePO4 / NMCAll Li-ion
BalancingPassivePassiveActive (inductive)
Max Continuous Current100A – 300A200A – 500ACustom
CommunicationRS485CAN / RS485 / BTCAN / RS485
ProtectionOVP, UVP, OTP, SCPFull suite + SOC/SOHFull suite + SOC/SOH
DisplayLED indicatorLCD / AppApp / LCD
CertificationsCECE / IECCE / IEC
🛡️

Safety First

Multi-layer protection: over-voltage, under-voltage, over-current, short-circuit, and thermal shutdown.

⚖️

Cell Balancing

Active balancing transfers energy between cells to equalize voltage and maximize total pack capacity.

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Real-Time Monitoring

Track SOC, SOH, voltage, current, and temperature via app, LCD, or cloud dashboard.

Prismatic Cells

High-Density
Prismatic LiFePO4 Cells

Our prismatic LiFePO4 cells are widely used by battery pack manufacturers and system integrators globally. Featuring flat aluminum housings for maximum space efficiency, these cells offer excellent energy density, long service life, and superior thermal stability.

  • Popular sizes: 50Ah, 100Ah, 150Ah, 200Ah, 280Ah, 304Ah
  • 3.2V nominal, 3.65V max charge voltage
  • Internal resistance < 0.25mΩ (Grade A)
  • Consistent capacity: ≥ 99% of rated capacity
  • Aluminum casing — lightweight and durable
Prismatic LiFePO4 Battery Cells
Specifications

Prismatic Cell Spec Table

ModelCapacityVoltageMax ChargeMax DischargeCycle LifeWeight
SYN-LFP-5050Ah3.2V1C2C continuous≥ 4,000~950g
SYN-LFP-100100Ah3.2V1C2C continuous≥ 4,000~1.7kg
SYN-LFP-200200Ah3.2V1C2C continuous≥ 4,000~3.5kg
SYN-LFP-280280Ah3.2V0.5C1C continuous≥ 6,000~5.5kg
SYN-LFP-304304Ah3.2V0.5C1C continuous≥ 6,000~5.8kg

Ready to Power Your Project
with Factory-Direct Prices?

Contact our energy storage experts today. Free consultation, fast quote, global shipping.

Get In Touch

Need Assistance?
We're Here to Help

Whether you need a product quote, technical support, or want to discuss a custom ESS solution — our team is available 6 days a week.

📞
Phone / WhatsApp
📍
Address
518129 Gongdong City, Shenzhen District Longgang, China
🕐
Business Hours
Mon – Sat: 09:00 AM – 11:00 PM (CST)

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