How do you handle defective products?

Defective rate is less than 0.2%. For small quantities, we send new batteries with your next order. For batches, we repair, resend, or discuss solutions.

What are the shipping options and delivery times?

We usually ship via UPS or TNT, arriving in 3-5 days. Airline and sea shipping are also optional based on your preference.

What is the cycle life of this LiFePO4 battery?

The battery offers a cycle life of over 2000 times at 0.2C discharge, with an operational life of more than 10 years.

High Capacity 12V LiFePO4 Deep Cycle Batteries with BMS

Name: High Capacity 12V LiFePO4 Deep Cycle Batteries with BMS
Brand: Howell Energy Co., Ltd.
SKU: 2001339795

Guangdong, ChinaHowell Energy Co., Ltd.

US$199.00-599.00

1 Piece

Sample price:US$599.00/piece.Request sample

Product profile

Customization

Available

Nominal Voltage

12V

Warranty

24 Months

Model NO.

HW-4F300

Nominal Capacity

300ah/3600wh

Cycle Life

2000 Cycles

Weight

32kg

Discharge Cut-off Voltage

10.0V

Maximum Charge Voltage

14.6V

Charge Temperature

0-60 Degree

Discharge Temperature

-20-55 Degree

Storage Temperature

20-55 Degree

Housing Material

ABS+PC

Place of Origin

Guangdong, China

Connection Mode

Series and Parallel

Rechargeable

Chargeable

Discharge Rate

Medium Discharge Rate

Calendar Life

More Than 5 Years

Certificate

CE, RoHS, IEC62133, Un38.3, etc

Usage

RV, UPS, Solar

Transport Package

1 Per Carton

Specification

520*216*238mm / Customized

Trademark

HWE / OEM

Origin

China

HS Code

8507600090

Production Capacity

100000PCS Per Month

Key features

High Capacity & Long Cycle Life: 300Ah/3600Wh capacity with over 2000 cycles and 10+ years operational life.

Built-in BMS Protection: Integrated Battery Management System ensures safety against overcharge, discharge, and short circuit.

Safe LiFePO4 Chemistry: Lithium Iron Phosphate cells offer high safety, no explosion/fire risk, and environmental friendliness.

Lightweight & Compact Design: ABS+PC housing with 1/3 weight and volume compared to equivalent lead-acid batteries.

Versatile Application: Ideal for RVs, solar storage, UPS, marine yachts, golf carts, and electric vehicles.

Certified Quality: Passed CE, RoHS, IEC62133, and UN38.3 certifications for global market compliance.

Flexible Customization: Supports OEM/ODM, logo printing, and customized designs from samples or drawings.

Low Self-Discharge: Excellent discharge performance at low temperatures with minimal power loss during storage.

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: ≤2.67h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryHowell Energy Co., Ltd. is a high-tech enterprise with over 23 years of experience in the R&D and marketing of lithium rechargeable batteries. The company offers various customization options but lacks ODM and OEM capabilities for well-known brands. It has ISO9001:2015 certification, indicating a focus on quality management. However, the company lacks documented after-sales service procedures and corrective mechanisms. Financial details are available, but no specific contracts with subcontractors or overseas facilities are noted. Howell Energy participates in trade shows like CES, indicating active industry involvement.

Supplier typeThe supplier is a high-tech trade company specializing in lithium rechargeable batteries, with a combined company type.

CertificationsThe supplier holds the ISO9001:2015 certification, indicating adherence to quality management standards, along with CE and UL certifications.

After-Sales capabilityThe supplier lacks written procedures or records for handling customer complaints and corrective actions, indicating a deficiency in after-sales service capability.

R&D capabilityThe supplier has R&D capabilities with new products developed in the past year, although it does not offer ODM services.

Customization capabilityThe supplier offers a wide range of customization services, including full and minor customization.