Китай поставщик 3 7 v литий-ионный полимерный Дополнительный внешний аккумулятор 303070 lipo 700mah литий-ионная аккумуляторная


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Цена:1,28 $ - 3,50 $*

Количество:



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Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Aug-16-2025 1.47 $* 1.92 $*
Jul-16-2025 1.60 $* 1.35 $*
Jun-16-2025 1.30 $* 1.53 $*
May-16-2025 1.56 $* 1.82 $*
Apr-16-2025 1.85 $* 1.27 $*
Mar-16-2025 1.76 $* 1.53 $*
Feb-16-2025 1.85 $* 1.51 $*
Jan-16-2025 1.15 $* 1.46 $*

Характеристики





Model
EN303070
Material
Lithium ion polymer battery
Normal Capacity(0.2C)
700mAh
Minimum Capacity(0.2C)
700mAh
Energy:
2.59wh
Normal Voltage:
3.7V
Delivery Voltage:
3.7V ~ 3.9V
Standard Charge Method:
0.2C CC(constant current) charge to 4.2V, then CV(constant voltage4.2V) charge till charge current decline to ≦ 0.02C
Max Charging Current:
1C
Max Discharging Current:
1C
Over-Discharging Current:
3.0V

Ambient Temperature:
Charging: 10℃ ~ 50℃
Discharging: -10℃ ~ 50℃

Cell Exterior Temperature:
Charging: 10℃ ~ 45℃
Discharging: -10℃ ~ 50℃

Storage Tem ( At 50% SOC and specified temp, recoverable capacity in % & time):
-10℃ ~ 45℃   (1months  ≥ 90%)
-10℃ ~ 35℃   (3months ≥ 85%)
-10℃ ~ 25℃   (12months ≥ 80%)
Cycle Life(at 15℃ ~ 35℃ )
≥ 300 times, more than 80% at 0.5C discharge
Pack Weight
Approx. 6.4g



  • Key Features:


1.High operation voltage
2.High energy desity
3.Long cycle life
4.Minimal self-discharge
5.Wide temperature range
6.Environmentally compatible
7.High level of safety
8.Non-memory





Details Images




Application



Lithium ion polymer battery is widely used in digital products:
    Mobile phones, tablets,  headsets, smart watches and other smart wearable devices,  GPS, electric toys, beauty
instruments, aromatherapy machines, POS machine, LED lights, quadcopters, drones, VR, smart camera etc.


Related Products




Packing&Shipping


1. Standard export carton packaging or Custom-made Package
2. Mode of Transport:
(1) By express UPS/DHL/FEDEX/TNT (It takes 3-5 days to arrive).
(2) By air cargo (It takes about one week to arrive)
(3) By sea shipment (It takes about one month to arrive)
3. Delivery 4-25 working days after payment and packing confirmation.




Company Introduction


Dongguan Encore Energy Co.,LTD, is established in 2016, registered capital is RMB10000000, with workers 200; It’s a high-tech enterprise specialize in the R&D, production, and marketing for the environmental friendly lithium-ion battery;
Our products including Lithium-ion polymer battery, Cylindrical lithium-ion battery, Lithium-ion phosphate battery and related lithium-ion polymer battery and battery pack. Encore Energy has fully absorbed the advanced international management experience, and successfully passed ISO9001:2008 quality system certification since the establishment of the company. All products comply with the RoHS requirements and most of them passed UL, CE, UN38.3, KC, FCC certifications. Our mission: “focus on customer needs, supply competitive products with service”, dedicated to unremitting efforts to ensure the long-term interests of customers.




Certifications










FAQ


1.Are you factory / Manufacturer ?
We are a factory in Dongguan city of China. Which has 150 workers and big production capacity per month. Specialized on make thesmall size batteries.

2.OEM&ODM are available?
Sure, OEM&ODM are welcomed.

3. How to solve the quality problems after goods shipped?
Mostly,We have done all testing needed before ship the battery, But if it really has meet quality issues. We absolutely will deal with it actively,Customers will need to provide testing data,photo and vedio for our engineer to find out solution.

4.What kind of testing requirements to full test a bttery?
(1) Battery test environment:
(2) Temperature: 23±2℃;
Relative humidity: 60± 20% RH;
Atmospheric pressure: 86~106 KPa.
(3) Measuring instrumentation requirements:
Voltage: Measuring the voltage meter accuracy no less than 0.5 magnitude;
Current: Measuring the current meter accuracy no less than 0.5 magnitude;
Time: Measuring the time meter accuracy no less than 0.1%;
Temperature: Measuring the temperature meter accuracy no less than 0.5 ℃;
Impedance: Measuring impedance should by sinusoidal alternating (1 KHZ) test.


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