Do you offer a warranty?

Yes, we offer a one-year warranty for Li-ion battery products.

How do you handle faulty products?

Defective rate is less than 0.2%. During warranty, we send new batteries for small quantities or repair/resend for defective batches.

What certifications are available for shipping?

We provide UN38.3, MSDS, and DG certifications to allow shipping via air.

High-Capacity 12V 300ah LiFePO4 Solar Battery Storage System

Name: High-Capacity 12V 300ah LiFePO4 Solar Battery Storage System
Brand: Howell Energy Co., Ltd.
SKU: 1999016175

Guangdong, ChinaHowell Energy Co., Ltd.

US$569.00-669.00

1 Piece

Sample price:US$938.00/piece.Request sample

Product profile

Customization

Available

Type

LiFePO4 Battery

Connection Mode

Series and Parallel

Model NO.

HW-4F300

Rechargeable

Chargeable

Discharge Rate

High Discharge Rate

Size

Large

Accessories Type

Battery

Rated Capacity

300ah

Standard Voltage

12.8V

Usage

Solar Storage System, RV, Boat, Solar Street

Electrolyte

LiFePO4 Battery

Efficiency

99%

Self Discharge

<2% Per Month

Maximum Modules in Series

Maximum Continuous Discharge Current

100A

Recommended Charge Current

10A-50A

Maximum Charge Current

100A

Recommended Charge Voltage

14.6V

Dimensions

522*238*218/220mm

Weight

27kg

Application

Solar Storage System, RV, Boat, Solar Street

Transport Package

Standard Air Transport Packaging

Specification

12.8V 300Ah 3840.0Wh

Trademark

HWE

Origin

China

HS Code

850760009

Production Capacity

10000 Piece/Pieces Per Month

Key features

Long Cycle Life: Over 3000 cycles with more than 10 years operational life.

High Efficiency: 99% efficiency with less than 2% self-discharge per month.

Built-in BMS Protection: Integrates overcharge, deep discharge, over-current, and temperature protection.

Lightweight Design: Weight and volume are 1/3 of lead-acid batteries for the same energy.

Flexible Configuration: Modular design allows different capacities configured according to needs.

Wide Application: Suitable for solar storage, RV, boat, golf cart, UPS, and emergency lighting.

OEM Customization: OEM labels and designs welcome with flexible customization options.

IP65 Protection: ABS+PC case with IP65 enclosure protection for durability.

Company profile

100% Finished Products InspectionStandardized quality controlFull CustomizationManagement Certification

Howell Energy Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shenzhen Port, Hong Kong PortAverage Response Time: ≤4.70h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

About Our Factory & Business Background

AddressB1010, Genzon Times Square, Longgang, Shenzhen, Guangdong, China

Plant Area2329 square meters

Registered Capital12,500,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity1 Pc

Supply Chain Partners30

Our Production Capability & Technical Expertise

Main ProductsLiFePO4 Battery, Li-ion Battery, Solar Energy Storage Battery, RV/Electric Vehicle Battery, Solar Battery, Customized Battery Pack, UPS Battery, Solar Street Light Battery, Battery Pack, Motorcycle Battery

Production Lines6

Production MachinesAutomatic production line, Battery sorting machine, Heat shrink film machine, Coding machine, Aging rack, Battery detection system, Lithium batteny pack equalization repair analyze, Lithium battery pack intelligent charger, Lithium battery protection board tester, Battery comprehensive tester, High performance battery testing system, Battery heavy impact tester, Battery needle punching and extrusion integrated machine, Programmable constant temperature and humidity chamber

QA/QC inspectors3 people

Inspection Type for Finished Products100% inspection(Visual inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers3 people

Traceability of Raw MaterialsYes

Test Reports for Raw MaterialsUL, Others