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Lithium Polymer Battery Cell

Flat Lithium Battery Cell 502040 3.7v 400mAh Rechargeable Li-ion Polymer Battery Packs

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Flat Lithium Battery Cell 502040 3.7v 400mAh Rechargeable Li-ion Polymer Battery Packs

Nama merek:	RESKY
Nomor Model:	LP502040
MOQ:	100 buah
harga:	dapat dinegosiasikan
Rincian kemasan:	Kotak kertas
Ketentuan Pembayaran:	T/T, Western Union

Informasi Rinci

Deskripsi Produk

Peringkat & Ulasan

Informasi Rinci

Tempat asal:

Sertifikasi:

MSDS, Un38.3,CE, ROHS, REACH, IEC62133 ect

Model TIDAK.:

LP502040

Kapasitas Nominal:

400mAh

Berat:

10 buah

Siklus Hidup:

500 siklus

Jaminan:

12 Bulan

Pengiriman:

UPS, DHL, FedEx, TNT, melalui udara, melalui laut, garis khusus

Waktu memimpin:

3-7Hari kerja

Konektor:

Hanya saja, Molex....

Spesifikasi:

5*20*40mm

Menyediakan kemampuan:

50000PCS/hari

Menyoroti:

502040 lithium polymer battery

3.7v rechargeable battery cell

400mAh flat li-ion battery

Deskripsi Produk

502040 3.7V 400mAh Rechargeable Li-ion Polymer Battery

High-performance 3.7V 400mAh 1.48Wh rechargeable Li-polymer battery cell designed for compact electronic devices requiring reliable power in limited space.

Technical Specifications

Battery Type	3.7V 400mAh Li-polymer
Charge Voltage	4.2V
Nominal Voltage	3.7V
Nominal Capacity	400mAh (0.2C Discharge)
Charge Current	Standard: 0.5C (200mA) Rapid: 1.0C (400mA)
Charging Method	0.5C CC to 4.2V, then CV until current ≤0.05C
Charging Time	Standard: ~2.75 hours Rapid: ~2 hours
Max Charge Current	1.0C (400mA)
Max Discharge Current	1.0C (400mA)
Discharge Cut-off Voltage	2.75V ±0.25V (0.2C)
Operating Temperature	Charging: 0°C to 45°C Discharging: 0°C to 45°C Storage: -10°C to 45°C
Dimensions	Length: 40±2mm Width: 20±0.5mm Thickness: 5±0.2mm
Cycle Life	≥500 cycles

Key Advantages

Miniaturization and Lightweighting: Ideal for space- and weight-sensitive applications like smart wearable devices and portable electronics
Design Flexibility: Can be manufactured in any shape and thickness with flexibility (maximum bending angle approximately 90 degrees)
Enhanced Safety: Gel electrolyte reduces leakage and explosion risks; internal problems indicated by bulging packaging
Capacity and Voltage Advantages: Higher capacity for same size compared to traditional lithium-ion batteries with improved system efficiency
Environmental Adaptability: Wide operating temperature range suitable for extreme environmental conditions

Structural & Safety Features

Electrode System: NCM/NCA ternary cathode material with graphite anode
Packaging: Aluminum-plastic composite film soft-pack with flexibility (bending radius ≥5mm)
Electrolyte: Polymer gel electrolyte with superior thermal stability and no leakage risk
Safety Protection: Built-in PCM module for overcharge, over-discharge, overcurrent, and short circuit protection
Drop Test Certified: Withstands 1-meter drops onto concrete without fire or leakage

Primary Applications

Smart Wearables & Children's Products

Entry-level smart bracelets and watches (1-3 day battery life)
Children's phone watches, smart toy watches, GPS bracelets
Mini heart rate monitors, pedometers, cycling speed sensors

Medical & Health Equipment

Portable diagnostic devices: electronic thermometers, oximeters, blood pressure monitors
Rehabilitation aids: mini massagers, physiotherapy devices, hearing aids

IoT & Smart Home Devices

Low-power sensors: temperature/humidity, door/window, smoke detectors
Small smart home devices: smart door locks, mini cameras, wireless remotes

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Semua Ulasan

Andrius

Lithuania Apr 16.2025

Bermanfaat (3000)

High quality, working well on our portable medical devices, Resky is a reliable supplier for lithium battery

Maroun

France Aug 17.2023

Bermanfaat (7900)

We cooperated several lipo battery cell models, they are working very well. Recommened.

SIRIEYS

France Jul 19.2023

Bermanfaat (1w+)

After many discharging/charging cycles of the samples LP604070 2000mah you sent…..we are satisfied !

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Lithium Polymer Battery Cell

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Lithium Polymer Battery Cell

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Lithium Polymer Battery Cell

Baterai Litium RC

Paket Baterai Li-ion

Paket Baterai Litium Polimer

Baterai Lithium Pemanas

Baterai Sepeda Listrik

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Pengisi daya baterai yang dapat diisi ulang

RC Aksesoris

Flat Lithium Battery Cell 502040 3.7v 400mAh Rechargeable Li-ion Polymer Battery Packs

502040 lithium polymer battery

3.7v rechargeable battery cell

400mAh flat li-ion battery

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