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Polymer Battery Pack 702040 3.7V 500mAh, with UL1642/Un38.3 and CE Certification, Supports Customer Customized Batteries, Used for Bluetooth Earphones, Speaker
True Wireless Earbuds

Polymer Battery Pack 702040 3.7V 500mAh, with UL1642/Un38.3 and CE Certification, Supports Customer Customized Batteries, Used for Bluetooth Earphones, Speaker

Model: AS702040 3.7V 500mAh Customization available Headphones & Earphones
US$1.503,000–4,999 Pieces
US$1.455,000–9,999 Pieces
US$1.4010,000–49,999 Pieces
US$1.3550,000–99,999 Pieces
US$1.25100,000+ Pieces
MOQ 3,000 Pieces
Type
Lipo Battery, Li-ion Battery
Cathode Material
Lco, Contact Us
Rechargeable
Yes
Size
7.2*20.5*42.5mm
Weight
15g
Cycle Life
500times
Send Inquiry Full specifications

Specifications

Product namePolymer Battery Pack 702040 3.7V 500mAh, with UL1642/Un38.3 and CE Certification, Supports Customer Customized Batteries, Used for Bluetooth Earphones, Speaker
CategoryTrue Wireless Earbuds
CustomizationAvailable
TypeLipo Battery, Li-ion Battery
Cathode MaterialLco, Contact Us
Model NO.AS702040 3.7V 500mAh
RechargeableYes
Size7.2*20.5*42.5mm
Weight15g
Cycle Life500times
OEM/ODMYes
ManufactureYes
Warranty12 Months
CertificationUL1642/Un38.3/CE
Typical Capacity500mAh
Minimum Capacity480mAh
Max. Charge Current500mA
Max. Discharge Current500mA
Transport PackageCustomized, Safety Packaging
SpecificationAS702040 3.7V 500mAh
OriginChina
HS Code8507802000
Production Capacity80000PCS/Day
Discharge0.2CmA
Cut off Voltage3.0V for cell
temperature20°C,
Product pictureFAQ
PriceUS$1.50 3,000-4,999 Pieces US$1.45 5,000-9,999 Pieces US$1.40 10,000-49,999 Pieces US$1.35 50,000-99,999 Pieces US$1.25 100,000+ Pieces
SupplierShenzhen A&S Power Technology Co., Ltd.
Data retrieved2026-10-23

Available options

Cathode Material
LcoContact Us
Size7.2*20.5*42.5mm
Typical Capacity500mAh
Minimum Capacity480mAh
Cut off Voltage3.0V for cell

Additional data

ItemRatingNote
3.1 CapacityTypical500mAhDischarge:0.2CmA Cut off Voltage:3.0V for cell
Minimum480mAh
3.2 Nominal VoltageAverage 3.7VDischarge:0.2CmA Cut off Voltage:3.0V for cell
3.3 AC Impedance Resistance≤80mΩ
3.4 Discharge Cut-off Voltage3.00V
3.5 Charge Current100mAStandard Charge
3.6 Charge Voltage4.2V
3.7 Max. Charge Voltage4.23V
3.9 Max. Charge Current500mA1.0CmA
3.10 Max. Discharge Current500mA
3.11 WeightApprox 15gcell
3.12 Operating TemperatureCharge0~+45°C
Discharge-20~+60°C
3.13 Storage Temperatureless than 1 month-20~+45°CRecommended storage temperature: 20°C, at the shipment state
less than 3 months-20~+35°C

Product description

The supplier lists this product as Lipo Battery, Li-ion Battery. The listed model is AS702040 3.7V 500mAh. The specifications below reflect the information publicly displayed on the listing. Cathode Material: Lco, Contact Us. Model NO.: AS702040 3.7V 500mAh.

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 Polymer Battery Pack 702040 3.7V 500mAh, with UL1642/Un38.3 and CE?

The listed minimum order quantity is 3,000 pieces. Tell us your quantity in the inquiry form and we will confirm it with the manufacturer.

How much does Polymer Battery Pack 702040 3.7V 500mAh, with UL1642/Un38.3 and CE cost?

The published price is US$1.25 – 1.50 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

Polymer Battery Pack 702040 3.7V 500mAh, with UL1642/Un38.3 and CE Certification, Supports Customer Customized Batteries, Used for Bluetooth Earphones, Speaker
Polymer Battery Pack 702040 3.7V 500mAh, with UL1642/Un38.3 and CE Certification, Supports Customer Customized Batteries, Used for Bluetooth Earphones, Speaker
AS702040 3.7V 500mAh · US$1.25 – 1.50 · MOQ 3,000 Pieces
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