How should the battery be stored or maintained?

It is completely maintenance-free. However, if unused, it should be charged once every three months to avoid irreversible sulfating.

What are the payment terms?

We accept T/T, Western Union, PayPal, LC, D/P, and other methods. Price terms include FOB Shenzhen, CFR, and CIF.

What is the delivery time?

We will send products within 30-35 days after receiving the bank receipt.

Lithium Ion Solar Battery 12V 300ah for Solar Energy System

Name: Lithium Ion Solar Battery 12V 300ah for Solar Energy System
Brand: Solid Power Industrial (Shenzhen) Co., Ltd.
SKU: 2127981905

Guangdong, ChinaSolid Power Industrial (Shenzhen) Co., Ltd.

US$380.00-420.00

18 Pieces

Sample price:US$888.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

LFP

Model NO.

SLPO12-300N

Rechargeable

Yes

Size

Medium

Battery Type

Solar Battery

Battery Application

Solar Energy System

Cycle Life

Over 6000 Cycle Dod

Charge Capability

Very Fast Charge Capability up to 0.5c

Low Self Dicharge

<1% Per Month @25℃

Design Life

12 Year

Standard

Un/Not 38.3,CE, IEC, ISO

Maintenance Free

Free Throughout Life Time Saves Opex for The Users

Nominal Voltage

12V

Transport Package

Carton+Pallet

Specification

500*185*240mm

Trademark

Sunstone Power

Origin

Shenzhen, China

HS Code

850760

Production Capacity

5, 000, 000PCS/Month.

Key features

Super Long Cycle Life: Over 6000 cycles at 80%DOD, ensuring long-term durability and performance.

Fast Charging Capability: Supports very fast charging up to 50A (0.5C) for efficient power replenishment.

Smart BMS Protection: Built-in BMS protects against over-charge, over-discharge, and short circuits.

Bluetooth APP Monitoring: Connects via APP to check detailed battery status, SOC, and remote control.

High Safety & Stability: LiFePO4 chemistry ensures no explosion or fire risks under collision or leakage.

Maintenance Free Design: Completely maintenance-free throughout lifetime, saving significant OPEX costs.

Flexible Configuration: Can be connected in series or parallel (max 4 units) for customized power needs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Solid Power Industrial (Shenzhen) Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2002-01-01Nearest Port: Shenzhen,GuangdongAverage Response Time: ≤3.54hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier is a battery enterprise group established in 2003, with lead-acid and lithium battery factories in China and overseas entities in Germany and Indonesia. It reports sales to more than 100 countries, 90% export sales, self-operated import/export rights, overseas warehouse and branch/agent capabilities, and service offerings including installation, maintenance, repair, training, and debugging. Customization and ODM services are available, and new products were reportedly developed during the past year. However, quality-control documentation is weak: no written complaint or corrective-action procedures, no quality-control test equipment reported, and unknown assurance and traceability status. Financial information is inconsistent across the provided slices and therefore does not support a reliable credibility assessment. No specific customer cases or named customers are provided.

Supplier typeThe supplier is an established battery manufacturer with lead-acid and lithium battery factories in China, overseas entities in Germany and Indonesia, self-operated import/export rights, and a predominantly export-oriented business with 90% of sales from exports. This supports classification as an international battery manufacturer and exporter.

CertificationsThe supplier reports sustainable-development and product certification capability including CE and other certifications. The slice does not identify the specific products, certificate numbers, validity periods, or issuing bodies, so the scope of certification cannot be verified in detail.

After-Sales capabilityThe supplier reports overseas warehouse capability, overseas agents or branches, and service offerings covering debugging, maintenance, repair, training, and equipment installation, with Germany identified as an overseas service country. However, it also reports no written procedures or records for effective service assessment, complaints, or corrective and preventive actions, indicating operational documentation weaknesses.

R&D capabilityThe supplier reports R&D capability, new products during the past year, and ODM services. It does not have an available SDK and does not provide OEM services for popular brands; these facts do not negate its general product-development capability but limit evidence for software-enabled or major-brand OEM innovation.

Production capacityThe supplier reports two Chinese production factories—one for lead-acid batteries and one for lithium batteries—and states that it serves customers in more than 100 countries. It also reports inventory capability and a one-month average lead time in both peak and off-season, although no production-volume or equipment-capacity data is provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. These statements provide direct evidence of broad customization capability.