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True Wireless Earbuds

Dtp 301120 3.7V 40mAh Smallest Size Li Polymer Battery for Bluetooth Earphone Dtp-301120

Model: 301120 Customization available Headphones & Earphones
US$1.201,000–4,999 Pieces
US$1.105,000–9,999 Pieces
US$0.8910,000+ Pieces
MOQ 1,000 Pieces
Type
Lithium-Polymer Battery
Nominal Voltage
3.7V
Discharge Rate
Medium Discharge Rate
Shape
Flat Battery
Electrolyte
Li-ion
Installation
Fixed

Specifications

Product nameDtp 301120 3.7V 40mAh Smallest Size Li Polymer Battery for Bluetooth Earphone Dtp-301120
CategoryTrue Wireless Earbuds
CustomizationAvailable
TypeLithium-Polymer Battery
UsageCar, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat, GPS/MP3/MP4/Bluetooth
Model NO.301120
Nominal Voltage3.7V
Discharge RateMedium Discharge Rate
ShapeFlat Battery
ElectrolyteLi-ion
InstallationFixed
RechargeableChargeable
Cell TypeLithium Polymer Battery
Maximum Discharge Current1c
Continuous Operating Current0.2c to 1c
Battery ConnectorJst 2p / Molex .etc
Charging Time2h
Single Battery Weight1g
Whether to Support CustomizationWelcome to Customize
Battery Internal Resistance35-49
MOQ1000PCS
Fastest Shipping Time15 Days
Cutoff Voltage4.2V
Rated Capacity40mAh
Transport PackageIndustrial Carton Packaging That Meets Internation
Specification3.1mm x 11.5mm x 21.5mm (Thickness*width*height)
OriginShenzhen, China
HS Code850760
Production Capacity30000 Pieces /Days
Lithium batteries are widely used in various fieldsdigital products, medical equipment, public equipment, communication equipment, automobiles, drones, etc.
Product CertificateSGS Field certification,CE CB RoHS KC etc.
Main supply productsLi-ion battery ,li-polymer battery , LiFePO4 battery , 18650 battery , 3.7V to 72V battery pack , UPS , Power bank .Provide customized services!!
PriceUS$1.20 1,000-4,999 Pieces US$1.10 5,000-9,999 Pieces US$0.89 10,000+ Pieces
SupplierShenzhen Data Power Technology Ltd.
Data retrieved2026-10-23

Available options

Nominal Voltage3.7V
Whether to Support CustomizationWelcome to Customize
Cutoff Voltage4.2V
Rated Capacity40mAh
Battery Connector
Jst 2pMolex .etc

Additional data

Product nameDTP 301120 3.7v 40mah smallest size li polymer battery for bluetooth earphone
Cell typeLithium polymer battery
Nominal capacity40mAh
Maximum cutoff voltage3.7V-4.2V
Maximum discharge current1c
Connector typeJst /molex (Can be selected according to demand)
Battery internal resistance35Ω to 50Ω
Product CertificateIOS9001 CE RoHS IEC CB KC
Long battery life500 times
Packing and shippingIndustrial carton packaging that meets international air and shipping standards
Is it the manufacturer's supply?Yes, DATA POWER is a lithium battery manufacturer with 13 years of production experience.
Does it support sample testing?Yes !!
Product production cycle2 to 3 weeks after ordering, the fastest 3 days delivery.
Application fieldDigital product ,Medical Facilities , GPS MP3/MP4/Mobile phone etc.

Product description

The supplier lists this product as Lithium-Polymer Battery. Its stated application is Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat, GPS/MP3/MP4/Bluetooth. The listed model is 301120. The specifications below reflect the information publicly displayed on the listing. Model NO.: 301120. Battery Connector: Jst 2p / Molex .etc. Single Battery Weight: 1g. Battery Internal Resistance: 35-49.

Specifications, options and prices reproduce the supplier's published listing. Please confirm critical parameters with us before ordering.

FAQ

What is the minimum order quantity for Dtp 301120 3.7V 40mAh Smallest Size Li Polymer Battery for Bluetooth?

The listed minimum order quantity is 1,000 pieces. Tell us your quantity in the inquiry form and we will confirm it with the manufacturer.

How much does Dtp 301120 3.7V 40mAh Smallest Size Li Polymer Battery for Bluetooth cost?

The published price is US$0.89 – 1.20 per piece, with lower tier prices for larger quantities. Final pricing depends on quantity, options and destination.

Can it be customized with my logo, color or packaging?

Yes — the listing states that customization is available (Available). Describe your requirements in the inquiry.

Where do these specifications come from?

Specifications, options and prices reproduce the manufacturer's published listing on the date shown in the specification table. Please confirm critical parameters before ordering.

Send an inquiry

Dtp 301120 3.7V 40mAh Smallest Size Li Polymer Battery for Bluetooth Earphone Dtp-301120
Dtp 301120 3.7V 40mAh Smallest Size Li Polymer Battery for Bluetooth Earphone Dtp-301120
301120 · US$0.89 – 1.20 · MOQ 1,000 Pieces
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