What is the warranty period for this battery?

We provide a 12 months warranty for this battery pack.

What certifications does the battery have?

The battery holds CE, UL, CB, RoHS, UN38.3, and IEC62133 certifications.

18650 Battery 7.4V 2900mAh Lithium Ion Pack

Name: 18650 Battery 7.4V 2900mAh Lithium Ion Pack
Brand: Howell Energy Co., Ltd.
SKU: 2124436075

Guangdong, ChinaHowell Energy Co., Ltd.

US$4.00-6.00

100 Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

HWE18650-2S1P-2.9Ah

Rechargeable

Chargeable

Discharge Rate

Medium Discharge Rate

Size

Medium

Accessories Type

Battery

Rated Capacity

>1000MAH

Standard Voltage

8.4V～12V

Usage

Remote Control Boat, Remote Control Plane, Remote Control Car, LED Light

Electrolyte

Li-ion

Certificate

ISO9001, Bis, CE, RoHS, Un38.3

Warranty

12 Months

Cycle Life

Over 500 Times

Housing Material

Steel Shell

Max Discharging Current

1.5c

Max Charging Current

Internal Resistance

Less Than 120

OEM/ODM

Acceptable

Operation Temperature

-20c to 60c

Discharging Cut-off Voltage

Charging Cut-off Voltage

8.4V

Delivery Time

7-10days(Samples);25-30days(Bulk Order)

Months Self Discharge

<3%

Weight

100g

Transport Package

Standard Air Transport Packaging

Specification

20*40*70mm

Trademark

HWE

Origin

China

HS Code

8507600090

Production Capacity

100000piece/Pieces Per Day

Key features

High Capacity & Voltage: 7.4V nominal voltage with 2900mAh capacity for powerful performance.

Long Cycle Life: Over 500 to 1000+ charge cycles ensuring extended product lifespan.

Wide Application Scope: Suitable for RC cars, boats, drones, solar storage, and medical devices.

Multiple Certifications: Compliant with CE, UL, CB, RoHS, UN38.3, and IEC62133 standards.

OEM/ODM Support: Acceptable customization for logo, design, and technical specifications.

Low Self-Discharge: Less than 3% monthly self-discharge rate for long-term storage stability.

Fast Charging Capability: Supports 1C max charging current for efficient power replenishment.

Safe & Reliable Design: No memory effect, clean energy, and robust steel shell housing.

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: ≤4.62h 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

Our Industry Experience & Global Business Record

Year of Establishment2010-11-24

Main MarketsEurope, Domestic

Repeat Buyers Choice30%~50%

Number of Foreign Trading Staff15

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015

Product CertificationCE, Others

Cooperated with Fortune 500No

Product Q&A

Q:Can I have a sample order for Battery?

Yes, we welcome sample order to test and check quality.

Q:What about the lead time?

Samples in 3~7 working days, 25-30 days for the bulk order.

Q:Do you have any MOQ limit for Battery?

Low MOQ, 1pc for sample checking is available

Q:How to proceed an order for Battery?

Please contact us with your technical requirements and application. Then we will quote you with the shipping. After agreed in the cost ,you need to arrange the parment as agreed then we will arrange production and send out .

Q:Is it OK to print my logo on Battery?

Yes. Please inform us formally before our production and confirm the design firstly.