Is it OK to print my logo on Battery?

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

Do you offer guarantee for the products?

Yes, we offer 1-2 years warranty to our products.

How to deal with the faulty?

Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%. Secondly, during the guarantee period, we will send new batteries with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.

3.7V 3000mAh Deep Cycle Rechargeable 18650 Lithium Power Banks

Name: 3.7V 3000mAh Deep Cycle Rechargeable 18650 Lithium Power Banks
Brand: Howell Energy Co., Ltd.
SKU: 925229705

Guangdong, ChinaHowell Energy Co., Ltd.

US$1.00-2.00

1,000 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Model NO.

LI18650-3000

Rechargeable

Yes

Size

Small

Charge Voltage

4.2V

Discharge Voltage

Housing Material

Metal

Weight

50g

Cycle Life

>1000 Times

Certificate

CE, UL, RoHS

OEM&ODM

Yes

Customized

Available

Application

Bluetooth Speaker

Usage

Lighting, Electric Bicycle, Bluetooth Speaker

Discharge Rate

Medium Discharge Rate

Shape

Cylindrical Battery

Electrolyte

Li-ion

Installation

Packaged

Nominal Voltage

3.7V

Transport Package

200PC/Carton

Specification

D 18mm, H 65mm

Trademark

HWE

Origin

China

HS Code

8507600090

Production Capacity

100000PCS/Day

Key features

Long Cycle Life: More than 1000 cycles under normal use conditions.

Eco-Friendly Design: Free from Cadmium, Mercury, and Lead effects.

Multiple Certifications: UL, CE, RoHS, IEC62133, and UN38.3 certified.

Customization Available: OEM and ODM services available for housing and design.

High Energy Density: Compact size with 11.1Wh energy output.

Low Self-Discharge: Maintains charge effectively over time.

No Memory Effect: Ready to use without full discharge cycles.

Wide Operating Temperature: Operates reliably from -20 to 85 degrees Celsius.

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: ≤4.64h 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?

Sample needs 5-10 days, mass production time needs 25-30 days.

Q:Do you have any MOQ limit for Battery?

Low MOQ, 1pc for sample checking is available

Q:How do you ship the goods and how long does it take to arrive?

We usually ship by UPS, TNT... It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

Q:How to proceed an order for Battery?

Firstly let us know your requirements or application.Secondly We quote according to your requirements or our suggestions.Thirdly customer confirms the samples and places deposit for formal order.Fourthly We arrange the production.