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Premium 2 parallel lithium polymer battery packs, specially customized for high-end electronic toys, drones and wearable toy devices.

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Shenzhen Huayousheng Energy Technology Co., Ltd.

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Premium 2 parallel lithium polymer battery packs, specially customized for high-end electronic toys, drones and wearable toy devices.

Model Number : 2000-5000mAh

Supply Ability : Daily Production Capacity Of 10,000 Pieces

Payment Terms : T/T

Delivery Time : One Week

Brand Name : FYW

MOQ : 1000PCS

Packaging Details : Blister Tray

Certification : UN38.3

Place of Origin : ShenZhen

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654060 2P 3.7V 4000mAh Lithium Polymer Battery Pack

Product Overview

This lithium polymer battery pack adopts two parallel 654060 soft pouch cells (2P configuration), with nominal voltage 3.7V, total capacity 4000mAh and rated energy 14.8Wh. Wrapped with blue heat shrink film, equipped with red and black lead wires for easy assembly. It is a slim, lightweight customized power solution widely applied to smart sensors, induction lamps, portable mini speakers, wearable heating devices and small electronic backup power supplies.

All cells pass strict capacity sorting and internal resistance screening to ensure consistent voltage performance between parallel cells, effectively preventing capacity attenuation and voltage imbalance during long-term cycle use.

Core Technical Specifications

表格

Item	Parameter
Cell Model	654060
Configuration	2P (2 cells parallel)
Nominal Voltage	3.7V
Rated Capacity	4000mAh
Energy	14.8Wh
Outer Packaging	Blue PVC heat shrink tube
Output Wire	Red positive wire + Black negative wire

Key Product Advantages

Slim & Compact Soft-pack Design

Li-po soft cell structure features ultra-thin size, flexible installation to fit narrow shell space of small consumer electronics.
Stable Discharge & Consistent Batch Performance

Grade A raw cells with low internal resistance deliver steady output current. Strict sorting process eliminates cell differences, extending overall battery service life.
Built-in Full BMS Safety Protection

Equipped with integrated protection circuit to guard against overcharge, overdischarge, overcurrent and short circuit, avoiding swelling and overheating risks.
Fully Customizable for B2B Buyers

We support custom wire length, connector types, printed brand labels and size adjustment. OEM & ODM orders are accepted for mass production.
Complete Export Certification

All battery packs are compliant with UN38.3, MSDS, RoHS standards. Full shipping documents are provided for cross-border air & sea logistics clearance.

Wide Application Scenarios

Human body induction lighting, cabinet sensor lights
Mini Bluetooth speakers, portable audio equipment
Heating vest, thermal clothing, portable warm devices
Small GPS trackers, low-power IoT monitoring sensors
Mini portable backup power, smart home small electronics

B2B Factory Service

Factory direct supply with stable mass production capacity
Small trial orders available for prototype testing
24-hour professional engineering technical support for customized drawings
Strict aging and load testing before delivery to guarantee quality uniformity
Flexible packaging solutions (blister pack / carton packaging)

SEO Meta Description

654060 2P 3.7V 4000mAh lithium polymer battery pack, slim soft pouch li-po cell for induction lamp, Bluetooth speaker, heating clothes and small backup power. Custom OEM battery with full export certificates, factory wholesale for global B2B buyers.

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3.7V 4000mAh 2P Lithium Polymer Battery | Slim Custom Power Solution for Small Electronics

Premium 2 parallel lithium polymer battery packs, specially customized for high-end electronic toys, drones and wearable toy devices. Images

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