Round Li Polymer Battery
It's a portable Round Li Polymer Battery with a higher powerOur round li polymer battery range from 30mm to 50mm in diameter, 135mAh to 1500mAh in capacity with high quality and reliability.
We also provide OEM&ODM services and customize your exclusive polymer battery according to the size and capacity requirements.

The Best Round Li Polymer Battery For Your Device
We specialize in lithium polymer batteries for many years and our Round Li Polymer Battery have more free choice for your designed prototype or device needs, they have a different capacity with different size, voltage.
With the emergence of new intelligent products, the application of round li polymer batteries has become more and more extensive, especially in consumer wearables, medical devices, smartwatches, GPS, and other wearable products.
Now you can select the most suitable round li polymer battery from here!

Round Li Polymer Battery for Bluetooth Headset & Smart Watch
The Round Li Polymer Battery is not general shapes. We have improved our tooling and process skill to fit into a unique shape lithium polymer battery.
- Compact Round Shape with higher density energy
- Higher working voltage from 3.7V to 3.8V
- Easy assembly PCM, NTC,
- Connectors when a request
- Huge selection with affordable price
- Longer battery life and low self-discharge
Our round li polymer battery range from 30 mm to 50 mm in diameter with high quality and reliability.
We also offer the most comprehensive customer-specific assembling solutions in addition to our extensive assortment of Lithium polymer batteries.
Ask datasheet and the best offer for your prototype component. Get samples via fast international shipments by DHL, FedEx, and UPS. Certifications (IEC62133, MSDS, UN38.3, RoHS, CE) have complied. PayPal is available.

Round Li Polymer Battery LPR473736 3.7V 530mAh
Battery Type | Round Lithium Polymer Battery |
Part Number | LPR473736 |
Voltage & Capacity | 3.7V @ 530mAh |
Configuration | 1S1P |
Weight | appr. 10.6g |
Wat-Hour Rating | appr. 1.961Wh |
Wires | UL 1571 AWG28 50mm |
Connector | No |
Cut-off Voltage | 3V |
Thermistor (NTC) | No |
Dimension | 4.4×35×35 mm |
Charge Temperature | 0°C to +45°C |
Discharge Temperature | -20°C to +60°C |
Storage Temperature | -20°C to +45°C |

3.7V Round Li Polymer Battery LPR253027 135mAh
Voltage&Capacity: 3.7V@135mAh
Configuration: 1S1P
Weight: appr. 2.7g
Wat-Hour Rating: 0.4495Wh
Dimension: 2.5×30×27mm
With protection circuit and wires

3.8V Round Li Polymer Battery LPR363027 225mAh
Voltage&Capacity: 3.8V@225mAh
Configuration: 1S1P
Weight: appr. 4.5g
Wat-Hour Rating: 0.855Wh
Dimension: 3.6×30×27mm
With protection circuit and wires

3.8V Round Li Polymer Battery LPR473027 330mAh
Voltage&Capacity: 3.8V@330mAh
Configuration: 1S1P
Weight: appr. 6.6g
Wat-Hour Rating: 1.254Wh
Dimension: 4.7×30×27mm
With protection circuit, wires, and connector

3.7V Round Li Polymer Battery LPR473736 530mAh
Voltage&Capacity: 3.7V@530mAh
Configuration: 1S1P
Weight: appr. 10.6g
Wat-Hour Rating: 1.961Wh
Dimension: 4.7×37×36mm
With protection circuit and wires

3.7V Round Li Polymer Battery LPR604543 1050mAh
Voltage&Capacity: 3.7V@1050mAh
Configuration: 1S1P
Weight: appr. 21g
Wat-Hour Rating: 3.885Wh
Dimension: 6.0×45×43mm
With protection circuit and wires

3.7V Round Li Polymer Battery LPR353027 210mAh
Voltage&Capacity: 3.7V@210mAh
Configuration: 1S1P
Weight: appr. 4.2g
Wat-Hour Rating: 0.777Wh
Dimension: 3.5×30×27mm
With protection circuit and wires

3.8V Round Li Polymer Battery LPR473027 330mAh
Voltage&Capacity: 3.8V@330mAh
Configuration: 1S1P
Weight: appr. 6.6g
Wat-Hour Rating: 1.254Wh
Dimension: 4.7×30×27mm
With protection circuit and wires

3.7V Round Li Polymer Battery LPR443535 450mAh
Voltage&Capacity: 3.7V@450mAh
Configuration: 1S1P
Weight: appr. 9g
Wat-Hour Rating: 1.665Wh
Dimension: 4.4×35×35mm
With protection circuit and wires

3.8V Round Li Polymer Battery LPR653929 665mAh
Voltage&Capacity: 3.8V@665mAh
Configuration: 1S1P
Weight: appr. 13.3g
Wat-Hour Rating: 2.5247h
Dimension: 6.5×39×29mm
With protection circuit and wires

3.7V Round Li Polymer Battery LPR755040 1500mAh
Voltage&Capacity: 3.7V@1500mAh
Configuration: 1S1P
Weight: appr. 30g
Wat-Hour Rating: 5.550Wh
Dimension: 7.5×50×40mm
With protection circuit and wires
Our round li polymer battery ranges in diameter from 30mm to 50mm and capacity from 135mAh to 1500mAh with high quality and reliability
Part # | Capacity (mAh) | Voltage | C-Rate | Thickness (mm) | Diameter (mm) |
---|---|---|---|---|---|
LPR243535 | 210 | 3.7V | 1C | 2.4 | 35 |
LPR253027 | 135 | 3.7V | 1C | 2.5 | 30 |
LPR253736 | 210 | 3.7V | 15C | 2.5 | 37 |
LPR286254 | 1080 | 3.7V | 1C | 2.8 | 62 |
LPR302823 | 140 | 3.7V | 1C | 3.0 | 28 |
LPR303027 | 140 | 3.7V | 15C | 3.0 | 30 |
LPR313125 | 240 | 3.7V | 1C | 3.1 | 31 |
LPR323535 | 305 | 3.7V | 3C | 3.2 | 35 |
LPR331615 | 62 | 3.7V | 1C | 3.3 | 16 |
LPR333736A | 385 | 3.8V | 1C | 3.3 | 37 |
LPR333736B | 355 | 3.7V | 3C | 3.3 | 37 |
LPR353027 | 210 | 3.7V | 1C | 3.5 | 30 |
LPR353331 | 295 | 3.8V | 1C | 3.5 | 33 |
LPR363027A | 225 | 3.8V | 1C | 3.6 | 30 |
LPR363027B | 245 | 3.7V | 1C | 3.6 | 30 |
LPR383535 | 285 | 3.7V | 1C | 3.8 | 35 |
LPR393633 | 445 | 3.7V | 1C | 3.9 | 36 |
LPR403033 | 375 | 3.7V | 1C | 4.0 | 30 |
LPR403327 | 305 | 3.7V | 1C | 4.0 | 33 |
LPR403535A | 360 | 3.8V | 1C | 4.0 | 35 |
LPR403535B | 405 | 3.8V | 1C | 4.0 | 35 |
LPR403736 | 495 | 3.8V | 1C | 4.0 | 37 |
LPR432421 | 155 | 3.7V | 1C | 4.3 | 24 |
LPR433530 | 430 | 3.7V | 3C | 4.3 | 35 |
LPR433736 | 565 | 3.8V | 1C | 4.3 | 37 |
LPR443535 | 450 | 3.7V | 1C | 4.4 | 35 |
LPR443633 | 540 | 3.7V | 1C | 4.4 | 36 |
LPR453031 | 425 | 3.7V | 1C | 4.5 | 30 |
LPR473027 | 330 | 3.7V | 1C | 4.7 | 30 |
LPR473535 | 545 | 3.7V | 1C | 4.7 | 35 |
LPR483535 | 530 | 3.85V | 1C | 4.8 | 35 |
LPR483829 | 510 | 3.7V | 1C | 4.8 | 38 |
LPR485040 | 860 | 3.7V | 1C | 4.8 | 50 |
LPR493027 | 300 | 3.7V | 1C | 4.9 | 30 |
LPR513535 | 525 | 3.7V | 1C | 5.1 | 35 |
LPR543535 | 610 | 3.85V | 1C | 5.4 | 35 |
LPR551615 | 100 | 3.7V | 1C | 5.5 | 16 |
LPR552120 | 125 | 3.7V | 1C | 5.5 | 21 |
LPR553325 | 435 | 3.7V | 1C | 5.5 | 33 |
LPR553535A | 560 | 3.8V | 1C | 5.5 | 35 |
LPR553535B | 580 | 3.7V | 1C | 5.5 | 35 |
LPR554543 | 960 | 3.7V | 1C | 5.5 | 45 |
LPR555542 | 1370 | 3.7V | 1C | 5.5 | 55 |
LPR556553 | 2120 | 3.7V | 1C | 5.5 | 65 |
LPR581820 | 170 | 3.7V | 1C | 5.8 | 18 |
LPR595540 | 1350 | 3.7V | 1C | 5.9 | 55 |
LPR603533 | 630 | 3.7V | 1C | 6.0 | 35 |
LPR604543 | 1050 | 3.7V | 1C | 6.0 | 45 |
LPR653027 | 430 | 3.7V | 5C | 6.5 | 30 |
LPR653929 | 665 | 3.85V | 1C | 6.5 | 39 |
LPR654442 | 1000 | 3.7V | 15C | 6.5 | 44 |
LPR676553 | 2000 | 3.7V | 8C | 6.7 | 65 |
LPR694543 | 1400 | 3.7V | 1C | 6.9 | 45 |
LPR704230 | 835 | 3.7V | 5C | 7.0 | 42 |
LPR755040 | 1500 | 3.7V | 1C | 7.5 | 50 |