What certifications does the company hold?

We hold CE, IEC test reports, and patents for gel technology.

What is the warranty policy?

Warranty depends on capacity, depth of discharge, and usage; contact us for specific terms.

How is quality controlled in the factory?

We adopt the ISO 9001 quality system to ensure product quality.

High Capacity 300ah Lithium Battery for Solar Energy Solutions

Name: High Capacity 300ah Lithium Battery for Solar Energy Solutions
Brand: Shenyang Lanjian Technology Co., Ltd
SKU: 1984727232

Liaoning, ChinaShenyang Lanjian Technology Co., Ltd

US$475.00-495.00

5 Pieces

Sample price:US$475.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

LFP

Model NO.

12V300Ah-B

Rechargeable

Yes

Size

Medium

Design Life

10 Years

Application

RV/Golf/Solar/Inverter/Home

Connect with Bluetooth

Read Battery Data on APP

Installation

Packaged

Connect with LCD Screen

Read Battery Data

PCM/BMS

Selectable

Communications Type

Bus/RS232/RS485/Bluetooth

Feature

with Communication

Muliti-Function

Several Battery Packs in Series

Cycle Life

4000+

Charge & Discharge

Share a Same Port

Transport Package

Carton

Specification

640*245*200mm

Trademark

OEM

Origin

China

HS Code

8506500000

Production Capacity

10000 Packs Per Month

Key features

High Capacity & Long Life: 300Ah capacity with over 6000 cycles and a 10-year design life.

Safe & Reliable BMS: Built-in BMS with Bluetooth APP monitoring for real-time data.

Versatile Applications: Ideal for RV, solar energy, home storage, and golf carts.

Flexible Customization: Supports OEM/ODM, logo printing, and selectable BMS/communication.

Fast Delivery Options: 7 days for stock, 20-30 days for container orders.

Professional Manufacturer: ISO 9001 certified factory with in-house plate production.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceR&D CapabilitiesImporters and Exporters

Shenyang Lanjian Technology Co., Ltd

Liaoning, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.97h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Shenyang, with a business scope covering mechanical equipment, metal products, assistive bicycles, scooters, spare parts, tools, electronics, building materials, and technology import/export. It reports 90% export sales, five years of export experience, self-operated import/export rights, OEM and ODM services, and customization from customer designs. Service strengths include participation in an offline trade show, multiple quotation and payment options, and a complaint-handling procedure with records. However, it reports no inventory, overseas warehouse, showroom, agent, or branch capability, and zero countries offering overseas services. Supplier-service assessment lacks written procedures and records for corrective actions. R&D information indicates no new products in the past year, no SDK, and two R&D engineers. Quality-control evidence is incomplete, with zero listed testing equipment and unknown assurance and traceability status. No certification holding or...

Supplier typeThe supplier is explicitly identified as a factory located in Shenyang, while its stated business scope spans mechanical equipment, metal products, mobility products and parts, tools, electronics, building materials, and technology import/export. This supports classification as a manufacturing-oriented, broad-scope industrial supplier.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records and reports eight qualified suppliers for service capability. However, it has no in-stock service, overseas warehouse, showroom, overseas agent, or branch capability, and its service-capability assessment and corrective-action records are not documented; overseas service coverage is stated as zero countries.

R&D capabilityThe supplier provides ODM services and has two R&D engineers, but it reports no new products in the past year and no available SDK. These findings show some design-related capability but explicit weakness in recent product innovation and software-development support.

Customization capabilityBoth design-service records state customization from customer designs and minor customization, while the R&D information confirms ODM service availability. This is explicit evidence that the supplier can support at least design-based, minor, and ODM customization.