Grepow, an industry-leading manufacturer of round lithium polymer batteries has been researching developing and manufacturing batteries over 25 years. The round LiPo batteries of diameters ranging from 15 mm to 50 mm have stable operating voltages and capacity. |
![]() Long cycle life After 1000 cycles, the round batteries capacity maintained over 80%. | High energy density Specific energy density up to 460Wh/L light weight. |
Wide operating temperature Can be used at temperature -50 ℃~50 ℃ or -20 ℃~80 ℃. | Ultra-Safe Meet requiremenhts of ROHS, CE, UL, UN38.3, MSDS and other certification. |
Ultra-thin The thickness can be as thin as 0.5mm. | Fast charge ability Support 3C~5C fast charge, max dicharge rate can reach 40C. |
The capacity of the round batteries in the table is for reference. Different forms, capacity and C-Rate are available on request, please contact us.
Some samples of the round lipo battery model specifications table | ||||||
Model No. | Voltage (V) | C-rate | Capacity (mAh) | Thinkness (mm) | Width(mm) | Length (mm) |
GRP2530027 | 4.2 | 1C | 135 | 2.5 | 30 | 27 |
GRP3533031 | 4.35 | 1C | 295 | 3.5 | 33 | 31 |
GRP4035035 | 4.35 | 1C | 405 | 4.0 | 35 | 35 |
GRP5335035 | 4.35 | 1C | 560 | 5.3 | 35 | 35 |
GRP7042030 | 4.2 | 3C | 835 | 7.0 | 42.55 | 30.56 |
GRP2530027 | GRP7042030 | GRP7550040 |
* Contact us for more round batteries or customize your special round battery!
GREPOW produces high-performance round batteries for smartwatches, sports bracelet, electric toothbrush, headset, Bluetooth earphone, medical equipment, GPS and other wearable products. |