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Factory Rechargeable batteries 802040 3.7V 600mAh solar Li-Polymer Battery cell For LED lamp

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Factory Rechargeable batteries 802040 3.7V 600mAh solar Li-Polymer Battery cell For LED lamp

Tên thương hiệu:	RESKY
Số mẫu:	LP802040
MOQ:	10 CÁI
giá bán:	có thể đàm phán
Chi tiết bao bì:	Hộp giấy
Điều khoản thanh toán:	Công Đoàn Phương Tây, T/T

Thông tin chi tiết

Mô tả sản phẩm

Đánh giá & Nhận xét

Thông tin chi tiết

Nguồn gốc:

Trung Quốc

Chứng nhận:

CE, RoHS, MSDS, Un38.3

Tài liệu:

Công suất danh nghĩa:

650mAh

Dòng sạc:

Xả liên tục hiện tại:

Dòng xả tối đa:

Cân nặng:

Vòng đời:

500CYCLES

Bảo hành:

12 tháng

VẬN CHUYỂN:

UPS, DHL, FedEx, TNT, bằng đường hàng không, bằng đường biển, dòng đặc biệt

Đầu nối:

Chỉ huy, Molex....

Đặc điểm kỹ thuật:

8*20*40mm

Khả năng cung cấp:

50000 chiếc / ngày

Làm nổi bật:

802040 rechargeable Li-Polymer battery

3.7V 600mAh solar battery cell

LED lamp lithium polymer battery

Mô tả sản phẩm

802040 3.7V 600mAh Li-Polymer Battery Cell

High-performance rechargeable lithium polymer battery designed specifically for LED lamps, smart watches, and compact electronic devices.

Product Specifications

Attribute	Value
Nominal Capacity	600mAh
Charging Current	0.2C
Continuous Discharging Current	0.5C
Max Discharging Current	1C
Weight	10g
Cycle Life	500 cycles
Warranty	12 months
Shipping	UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line
Connector	JST, Molex
Specification	8×20×40mm

Technical Specifications

Item	Specification
Battery Type	3.7V 600mAh LiPo Battery
Charge Voltage	4.2V
Nominal Voltage	3.7V
Nominal Capacity	600mAh @ 0.2C Discharge
Charge Current	Standard: 0.5C, Rapid: 1.0C
Standard Charging Method	0.5C CC charge to 4.2V, then CV charge till current ≤0.05C
Charging Time	Standard: 2.75 hours, Rapid: 2 hours
Max Charge Current	1.0C
Max Discharge Current	1.0C
Discharge Cut-off Voltage	2.75V (0.2C)
Operating Temperature	Charging: 0°C ~45°C, Discharging: 0°C ~45°C
Storage Temperature	-10°C ~ +45°C
Dimensions	Length: 40±2mm, Width: 20±0.5mm, Thickness: 8±0.2mm
Drop Test	Dropped from 1m twice onto concrete - no fire, no leakage
Cycle Life	≥500 times

Voltage Comparison: 3.7V vs 3.8V Lithium Polymer Batteries

Nominal Voltage vs Charging Voltage

3.7V Standard Voltage Battery: Nominal voltage is 3.7V, charging cut-off voltage is 4.2V.

3.8V High Voltage Battery: Nominal voltage is 3.8V, charging cut-off voltage is 4.35V.

Energy Density

High voltage batteries provide higher energy output within the same volume. For cells of the same capacity (e.g., 2000mAh):

3.7V system energy ≈ 7.4Wh
3.85V system energy ≈ 7.7Wh, with volumetric energy density increase of approximately 15%
High-voltage systems achieve higher plateau voltages by increasing nickel content in cathode material

Cycle Life and Degradation

High-voltage batteries have shorter cycle life due to higher operating voltage. High-voltage batteries are suitable for scenarios with high battery life requirements but less stringent lifespan requirements, while standard-voltage batteries are better for devices requiring long-term use.

Applicable Scenarios

3.7V Standard-Voltage Batteries: Widely used in portable devices such as Bluetooth headsets, dashcams, and headlamps; mature technology, high safety, and low cost.

3.8V High-Voltage Batteries: Primarily used in devices with higher battery life requirements, such as high-end mobile phones, IoT terminals, and medical equipment; require circuits supporting 4.35V charging.

Applications

Smart Wearable Devices: smart bracelets, smart rings, hearing aids
Beauty & Personal Care: electric beauty devices, radio frequency devices, electric toothbrushes
Consumer Electronics: Bluetooth headsets, VR glasses, remote controls, wireless microphones
Home & Tools: LED lights, mosquito repellent lamps, aromatherapy diffusers, detectors
Adult Products: compliant vibrators and sex toys
Industrial Equipment: GPS trackers, scanning pens, electronic locks

3.8V Lithium Polymer Battery Advantages

Higher Energy Density: Stores more energy in the same volume or weight, increasing battery life by 15%-25%
Higher Discharge Platform: Nominal voltage up to 3.8V (3.85V for some models), providing more stable high-voltage output for voltage-sensitive high-performance electronic devices
Superior Energy Conversion Efficiency: Reduces DC/DC conversion losses and supports LDO driving of components, reducing electromagnetic interference and improving call quality
Slim and Customizable: Can be made into ultra-thin (minimum 0.5mm) batteries of any shape, suitable for various portable electronic products

Measurement Photos

Product Images

Xếp hạng & Đánh giá

Đánh giá chung

5.0

Dựa trên 50 đánh giá cho nhà cung cấp này

Hình chụp xếp hạng

Sau đây là phân phối của tất cả các xếp hạng

5 sao

100%

4 sao

3 sao

2 sao

1 sao

Tất cả các đánh giá

Hanna

Belarus Sep 10.2025

Có ích (5600)

Working with RESKY more than 10years, stable quality, fast delivery, competitive price. Recommended.

Olga

Belarus Apr 23.2025

Có ích (4300)

Recommend Resky as a reliable lithium polymer battery supplier.

Michael

France Dec 28.2022

Có ích (1w+)

Tested 604070 3.7v 2000mAh lithium polymer battery cell with many charging and discharging cycles, they working very good, capacity keeping very stable.

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Factory Rechargeable batteries 802040 3.7V 600mAh solar Li-Polymer Battery cell For LED lamp

802040 rechargeable Li-Polymer battery

3.7V 600mAh solar battery cell

LED lamp lithium polymer battery

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