round
Lithium Polymer Battyer

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Round Lithium Polymer Battery

Round lithium polymer battery is not general shapes. We improve our tooling and process skills to fit into unique shape lithium polymer battery.

Our round lithium polymer battery range from 30 mm to 50 mm diameter with high quality and reliability. We also provide customize services, customize lithium polymer battery with your dimension and capacity.

Round shaped Lithium Polymer battery is the most suitable for the round device, such as a smartwatch, round electronic toothbrush and so on. It maximizes the use of internal space with a higher capacity.

In addition to our extensive assortment of Lithium polymer battery, we offer the most comprehensive customer-specific assembling solutions.

You won’t find anther better deal in round lithium polymer battery anywhere!

Provide Best Round Lithium Polymer Battery for Smart Prototype Devices

Our newly developed Round Lithium Polymer Battery series perfectly fits the mechanical design of the smart prototype device. Round lithium polymer batteries offer more freedom of choice for your prototypes, with different capacities and different sizes and voltages. And also maintain high lithium polymer battery performance:

1. Compact round shape with higher density energy

2. Working voltage from 3.7V to 3.8V

3. PCM, NTC, connector can be easily assembled according to requirements

4. A large number of reasonable prices

5. Longer battery life and low self-discharge rate

Lithium Polymer Battery for Smart Watch, Buletooth Headset and so on…

Ask the data-sheet of the prototype component and the best quotation. Samples were obtained through DHL FedEx and UPS Express International Shipping. Compliance with certification (IEC62133, MSDS, UN38.3, RoHS, CE). PayPal is available.

We have more and more customers want Round Lithium Polymer Batteries for circular applications, such as headphones, medical equipment, smart watches, GPS and other wearable products. A Round Lithium Polymer Battery is not a general shape. We have improved our tools and processing skills to accommodate uniquely shaped lithium polymer batteries.

You won’t find a better round fat battery anywhere!

LPR443535 SPECIFICATION

NO.

ITEM

DATA

1

Battery Type

Round Lithium Polymer battery

2

Part Number

LPR443535

3

Voltage @ Capacity

3.7V @ 450mAh

4

Weight

9g

5

Configuration

1S1P

6

Wires

UL 1571 AWG28 50mm

7

Connector

NO

8

Cut-off Voltage

3V

9

Thermistor (NTC)

NO

10

Dimension

4.4×35×35 mm

11

Charge Temperature

0°C to +45°C

12

Discharge Temperature

-20°C to +60°C

13

Storage Temperature

-20°C to +45°C

STRUCTURE AND DIMENSION

HANDLING PRECAUTIONS AND GUIDLINE

1. Charging

1.1 Charging current:

Charging current should be less than maximum charge current specified in the Product Specification. Charging with higher current than recommended value may cause damage to cell electrical, mechanical and safety performance and could lead to heat generation or leakage.

1.2 Charging voltage:

Charging shall be done by voltage less than that specified in the Product Specification (4.2V/cell). Charging beyond 4.25V, which is the absolute maximum voltage, must be strictly prohibited. The charger shall be designed to comply with this condition. It is very dangerous that charging with higher voltage than maximum voltage may cause damage to the cell electrical, mechanical safety performance and could lead to heat generation or leakage.

1.3 Charging temperature:

The cell shall be charged within 10°C~45°C range in the Product Specification.

2. Discharging

2.1 Discharging current:

The cell shall be discharged at less than the maximum discharge current specified in the Product Specification. High discharging current may reduce the discharging capacity significantly or cause over-heat.

2.2 Discharging temperature:

The cell shall be discharged within –20°C~60°C range specified in the Product Specification.

2.3Over-discharging:

It should be noted that the cell would be at over-discharged state by its self-discharge characteristics in case the cell is not used for long time. In order to prevent over-discharging, the cell shall be charged periodically to maintain between 3.6V and 3.9V. Over-discharging may causes loss of cell performance, characteristics, or battery functions. The charger shall be equipped with a device to prevent further discharging exceeding a cut-off voyage specified in the Product Specification. Also the charger shall be equipped with a device to control the recharging procedures as follows: The cell battery pack shall start with a low current (0.01C) for 15-30 minutes, i.e.-charging, before rapid charging starts. The rapid charging shall be started after the (individual) cell voltage has been reached above 3V within 15-30 minutes that can be determined with the use of an appropriate timer for pre-charging. In case the (individual) cell voltage does not rise to 3V within the pre-charging time, then the charger shall have functions to stop further charging and display the cell/pack is at abnormal state.

STORAGE AND OTHERS

1. Ambient temperature:

23°C±5°C

2. Relative Humidity:

65±20%

3. Please activate the battery once every 3 months according to the following method:

Charge at 0.2C to 4.2V, rest 5 min, then discharge with 0.2C to 3.0V/cell, rest 5 min, then charge at 0.2C to 3.9V.

Round Lithium Polymer Battery List

Part NO.VoltageCapacityThickness*Diameter
LPR2530273.7V135mAh2.5*30(mm)
LPR3030273.7V170mAh3.0*30(mm)
LPR3530273.7V210mAh3.5*30(mm)
LPR3630273.8V225mAh3.6*30(mm)
LPR4030273.7V250mAh4.0*30(mm)
LPR4530273.7V285mAh4.5*30(mm)
LPR4730273.8V330mAh4.7*30(mm)
LPR2535353.7V220mAh2.5*35(mm)
LPR3035353.7V275mAh3.0*35(mm)
LPR3135353.8V300mAh3.1*35(mm)
LPR3335353.7V300mAh3.3*35(mm)
LPR3535353.7V330mAh3.5*35(mm)
LPR4035353.7V390mAh4.0*35(mm)
LPR4535353.7V450mAh4.5*35(mm)
LPR4535353.8V490mAh4.5*35(mm)
LPR5535353.7V580mAh5.5*35(mm)
LPR5535353.8V600mAh5.5*35(mm)
LPR7035353.7V725mAh7.0*35(mm)
LPR7035353.8V785mAh7.0*35(mm)
LPR7042303.7V835mAh7.0*42(mm)
LPR7550403.7V1500mAh7.5*50(mm)
LPR3337363.8V385mAh3.3*37(mm)
LPR3533313.8V295mAh3.5*33(mm)
LPR3030283.8V185mAh3.0*30(mm)
LPR4035303.8V360mAh4.0*35(mm)
LPR4337363.8V530mAh4.3*37(mm)
LPR4435354.2V450mAh4.4*35(mm)
LPR4437353.7V450mAh4.4*37(mm)
LPR4635353.8V480mAh4.6*35(mm)
LPR4737363.8V580mAh4.7*37(mm)
LPR4835353.8V530mAh4.8*35(mm)
LPR5030273.7V300mAh5.0*30(mm)
LPR5335353.8V560mAh5.3*35(mm)
LPR5435355.8V610mAh5.4*35(mm)
LPR5535323.8V600mAh5.5*35(mm)
LPR6035333.7V630mAh6.0*35(mm)
LPR6035353.8V650mAh6.0*35(mm)
LPR6530273.8V430mAh6.5*30(mm)
LPR6539293.8V665mAh6.5*39(mm)
LPR6045433.7V1050mAh6.0*45(mm)

Related Application

Round Lithium Polymer Battery for Electronic Toothbrush

Fully automatic toothbrush, and finishes in just ten seconds, you will have perfectly clean teeth! Using full electric toothbrush, in order to make life more efficient, brush your teeth faster and more automatically. The toothbrush built in our round li poly battery LPR755040,  1500mAh capacity can lasts for a month.

Automatic toothbrush takes into account all the problems, the brush is aligned with the gums at 45 degrees and soft enough to prevent scratching while brushing teeth, to better clean the bacteria and plaque in your gums, and to keep your healthy and beautiful teeth. Our round lithium polymer battery powered for this hand-piece, create a low-energy wireless charging module, so you could even use your wireless smartphone charger to charge the brush.

More Information>>>

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LiPol Battery Co., Ltd.
Bldg 4A, JunFeng Industrial Zone

ChongQing Rd, Shenzhen, China

info@lipolbattery.com

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