High-Capacity 12V 300ah/340ah Lithium-Ion Battery for Energy Storage

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Shenyang Lanjian Technology Co., Ltd

VIP   Audited Supplier 4 years
Profile Certified by SGS/BV
  • Liaoning, China
  • Anne (Ms.)  
    Director
Lithium-ion Battery
Li-ion Battery
LFP
Yes
Medium
342ah
640mm
245mm
200
0.1momega≥r≤0.3mΩ
<0.5 Momega(50%Soc@3c30s)
+6000
30kg
OEM
Customized Packaging
12.8V300Ah/340Ah
China
8507600090
Product Description
Product Description

 
12.8V 300Ah /314Ah/ 340Ah Wholesale Original Manufacturer Supplier Lithium-ion Battery Pack
 

Globally Certified Battery Solutions - Compliant with International Standards

Our products undergo rigorous testing and certification to meet the highest safety, health, and environmental standards across major global markets, including:

North America - UL, FCC, UN38.3, DOT compliance
Europe - CE, RoHS, IEC, REACH certification
Japan - PSE certification
Australia - RCM compliance

We ensure sector-specific compliance for industries such as automotive, energy storage, telecom, industrial, and consumer electronics.

Custom & Standard Battery Modules for Various Applications

Our battery packs and modules are available in customized or standard configurations with different voltages and capacities, ideal for:

Energy & Backup Power - UPS, stationary batteries, telecom ESS
Electric Mobility - EVs, e-scooters, golf carts, electric boats, special vehicles
Industrial & Tools - Power tools, electric vacuum sweepers
Consumer Electronics & RC Devices - Electronic toys, model airplanes, remote controls
Communication Equipment - Cordless phones, interphones
Lighting & Solar Solutions - Decorative lights, solar lamps, torches, emergency lighting, solar street lights


Reliable Testing, Secure Packaging & Cost-Effective Shipping

Final Testing Before Shipment
Every product undergoes strict quality testing before shipping to ensure 100% reliability upon delivery.

Safe & Certified Packaging

  • Plywood Box Protection - Ideal for lithium batteries over 12kg, ensuring safe transport via road, sea, or air.

  • Flexible & Tested Packaging - Designed to meet global shipping regulations for lithium-ion and lithium metal batteries.

Optimized Shipping for Cost Savings
To reduce costs and enhance product protection, we recommend shipping a minimum of 1 pallet, lowering the per-unit shipping cost while ensuring secure transit.

Digital Factory with Automotive-Grade Intelligent Module Production Line

A Safe and Reliable Choice - 100% Authentic Class A Lithium Cells

Prismatic Lithium Cells - Optimized for High-Performance Energy Storage

Prismatic lithium cells are designed for efficient space utilization, making them ideal for sealed lead-acid battery replacements, large battery packs, and energy storage systems. While larger than cylindrical cells, they offer higher amp-hours per cell, maximizing energy density.

Why Choose Prismatic Lithium Cells?

High Energy Density - Innovative structure enables larger capacity and longer runtimes
Superior Consistency - Advanced automated production ensures uniform quality
Stable Voltage Platform - Low internal resistance, high discharge rate, and stable voltage output
Unmatched Safety & Reliability - Lithium Iron Phosphate (LiFePO4) chemistry, the safest lithium battery type


   
 
Company Profile

SYLJ - Leading Manufacturer of Li-ion & LiFePO4 Battery Cells and Packs

High-Performance Battery Solutions for OEMs & Industrial Applications

SYLJ specializes in Lithium-Ion (Li-ion) and Lithium Iron Phosphate (LiFePO4) battery cells and custom battery packs, serving Original Equipment Manufacturers (OEMs) across multiple industries, including:

Medical & Industrial (ITAR registered)
Transportation & Automotive
Instrumentation & Data Acquisition
Utility, Metering & RFID
Robotics & Automation

With years of experience in battery design and development, we provide high-quality, single-source electronic solutions tailored to industry needs. Our commitment to excellence, innovation, and customer satisfaction ensures long-term partnerships and superior product reliability.

FAQ

Frequently Asked Questions (FAQs) - Your LFP Battery Solutions Partner

Q1: Are you an original manufacturer or a trading company?
We are the original manufacturer specializing in the development, production, sale, and service of LFP (LiFePO4) battery products and solutions. Our ISO9001-certified factory supports a robust annual production capacity.

Q2: Can you do OEM and ODM?
Absolutely! We offer comprehensive OEM and ODM services with custom labeling and independent design for commercial and industrial ESS applications-all at competitive pricing.

Q3: How do you differentiate from other suppliers?
Our strength lies in innovation and delivering systematized energy solutions with a global vision. Backed by venture capital and government support, we are a fast-growing company with an annual growth rate of 400%.

Q4: What is your lead time?
Lead times depend on the product category. Samples and small orders are usually fulfilled within 5-10 days, while bulk orders vary based on specific custom requirements.

Q5: Can you provide samples?
Yes, we do provide samples. Please contact our representative to arrange for sample delivery.

Q6: Why work with us?

  • Fast-growing and dynamic company with clear vision and leadership

  • Guaranteed quality and after-sales service with over 1GWh of batteries in service worldwide

  • Original manufacturer with strong R&D, ODM, and OEM capabilities

  • Complete LFP product line ensuring diverse solutions

  • Trade Assurance protected for a secure transaction

Q7: What are your main products?
Our core offerings include:

  • LFP cells, battery packs, and battery modules

  • LFP battery cabinets

  • Telecom tower battery supplies

  • Special vehicle power supplies

  • Home, commercial, and industrial energy storage systems

  • Containerized energy storage systems



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