Grepow delivers ultra-thin, safe, and reliable rechargeable battery solutions designed for portable glucose meters, CGM wearables, and professional clinical analyzers. With ISO 13485–certified production and advanced LiPo and steel-shell technologies, our batteries offer stable voltage platforms, long cycle life, fast charging support, and ultra-compact designs as thin as 0.5 mm. We customize shapes, capacities, and performance to meet the precise needs of modern glucose monitoring devices.
Blood glucose monitors come in various types. Glucometers are traditional devices that measure blood glucose levels using test strips and typically rely on small, replaceable batteries, like button or coin cells. Continuous Glucose Monitors, on the other hand, provide real-time glucose level tracking through sensors worn on the body, requiring more power for constant data transmission. These devices often use rechargeable lithium-ion batteries. Insulin pumps, which deliver precise insulin doses based on glucose readings, are more complex and power-intensive, making rechargeable batteries essential to support their continuous operation. The emphasis on rechargeable batteries across advanced devices like CGMs and insulin pumps stems from the need for reliability, sustainability, and user convenience, reducing the frequency of battery replacements while ensuring uninterrupted monitoring and treatment.
●Cost-Effective: Rechargeable batteries reduce the need for frequent replacements, saving money over time.
●Environmental Impact: They are more environmentally friendly, as they reduce waste from disposable batteries.
●Convenience: Rechargeable batteries can be easily recharged using a USB cable or dock, ensuring the device is always ready for use.
●Consistent Performance: They provide a stable power output, which can lead to more accurate readings.
●Long-Term Reliability: Modern rechargeable batteries are designed to have a long lifespan, providing consistent power over many charge cycles.
●Reduced Maintenance: Users don’t need to frequently replace batteries, which simplifies device maintenance.
Grepow is a professional rechargeable battery manufacturer with proven experience in medical applications.
Our medical-grade battery solutions feature:
●ISO 13485-certified manufacturing system
●High consistency cell production for medical devices
●Advanced electrolyte formulations for stable voltage output
●Steel-shell sealing technology for enhanced safety
●Ultra-thin pouch cell technology down to 0.5 mm
●Support for custom shapes, including arc-shaped and special-profile batteries
●Custom tab, wire, and connector configurations
These capabilities allow Grepow to support both standard glucose meters and next-generation wearable monitoring systems.
●Rechargeable Lithium-Ion Coin Cell (Custom options: diameter ≥7.8mm; height ≥0.8mm)
●Shaped Pouch Lipo Battery Cell (Custom options: width ≥4.1mm; height ≥0.5mm)
●Shaped Metal Casing Lipo Battery Cell (Custom options: width ≥6mm; height ≥3.5mm)
Rechargeable Lithium-Ion Coin Cell
Shaped Pouch Lipo Battery Cell
Shaped Metal Casing Lipo Battery Cell
Grepow has provided dedicated battery energy solutions for high-tech applications in
bluetooth headsets for smart phones, notebook bridging function, body shaping
and training sensors, medical and health care equipment, wireless sensor and
network infrastructure and many more. For all these applications, Grepow offers
a range of rechargeable Lithium-Ion button cells and battery assemblies in
diameters from 7.8 - 24 mm with 6.5 mAh to 210 mAh.

PN. | Nominal Voltage | C rate | Capacity | Weight | Diameter | Thickness |
3.7V | 1C | 6.5mAh | 0.3±0.1g | 7.8mm | 2mm | |
3.7V | 1C | 9.5mAh | 0.45±0.1g | 8.5mm | 2.5mm | |
3.7/3.85V | 1C | 12.3/14.5mAh | 0.53/0.55±0.1g | 9.5mm | 2.5mm | |
3.7/3.9V | 1C | 13/16mAh | 0.6±0.1g | 10mm | 2.5mm | |
3.7/3.8/3.9V | 0.5C/2C/5C | 18/20/22mAh | 0.9±0.15g | 12mm | 2.4mm | |
3.7/3.85V | 1C | 50/55mAh | 1.4±0.15g | 12mm | 4mm | |
| GRP1250G1 Coin Cell | 3.85V | 1C | 68mAh | 1.65±0.15g | 12mm | 5mm |
3.7V | 1C | 12.5mAh | 0.67±0.1g | 14mm | 1.5mm | |
| GRP2032R1 Coin Cell | 3.7V | 1C | 105mAh | 3.3±0.5g | 20mm | 3.2mm |
Grepow offers a range of shaped pouch batteries that are perfectly suited to various terminal device shapes. We provide custom shaped Lithium-Ion pouch batteries as thin as 0.5mm and as narrow as 4.1mm. Available shapes include cruved, round, L-shaped, D-shaped, and C-shaped, ect. Grepow's shaped pouch batteries boast excellent performance and a cycle life of over 1000 cycles, operating within a temperature range of -50°C to 50°C / -40°C to 60°C, and can achieve fast charging at up to 5C.

Model NO. | Full-Charged Voltage | C rate | Capacity | Thickness | Width | Length |
4.2/4.35V | 1C | 7.5-140mAh | 0.5-0.85mm | 15-49mm | 34.3-55.5mm | |
4.2/4.35/4.4V | 1-30C | 13-430mAh | 1.6-7.87mm | 6.5-11mm | 13-60.8mm | |
4.2/4.35/4.4V | 1-10C | 5.7-1660mAh | 0.65-8.9mm | 5.8-50mm | 18.95-52.14mm | |
4.2/4.35/4.4V | 1-15C | 62-2120mAh | 7.5-2.3mm | 12-64.7mm | 15.5-54.64mm | |
4.2/4.35V | 5-8C | 1000-2125mAh | 5.7-6.55mm | 25.7-84.61mm | 48.5-73.7mm | |
4.2/4.35/4.4/4.45/4.8V | 1-45C | 7.5-4200mAh | 0.5-11.8mm | 6.5-50mm | 12-88.5mm | |
4.35/4.4/V | 1C | 30-685mAh | 2.45-5.7mm | 10.2-34.3mm | 12.2-48mm | |
4.2V | 1C | 290mAh | 5.95mm | 29.5mm | 32.66mm | |
4.2/4.35V | 1-3C | 50-1800mAh | 1.95-5.52mm | 18.8-34.3mm | 19.7-95.89mm | |
4.35V | 15C | 505mAh | 6.4mm | 26.44mm | 37mm | |
4.2V | 5C | 605mAh | 4.58mm | 18.9mm | 71.95mm | |
4.4V | 3C | 200mAh | 3mm | 38.2mm | 30mm | |
4.35/4.4V | 1/5C | 245/415mAh | 3.57/7.4mm | 20.79/37.2mm | 31.89/34.64mm | |
4.4V | 1/5C | 95/370mAh | 2.17/5.88mm | 24.49/32.28mm | 17/27.45mm | |
4.2/4.35/4.4V | 1-5C | 165-750mAh | 3.15-6.94mm | 22.24-34.6mm | 21.55-31.97mm |
Grepow offers a diverse range of rechargeable metal casing shaped batteries to meet various application needs. Unlike pouch-shaped batteries, metal casing batteries provide enhanced safety by effectively preventing the risk of battery swelling. This advantage eliminates the need for additional design space to accommodate potential expansion, enabling more efficient use of available space. Consequently, these batteries are ideally suited for products with stringent space requirements, ensuring optimal compatibility with compact and demanding design specifications.

PN. | Nominal Voltage | C rate | Capacity | Weigh | Size (H*W*L) |
3.85V | 1C | 18mAh | 0.55g | 4.0*6*9mm | |
3.85V | 1C | 20mAh | 0.63g | 4.3*6*10mm | |
3.85V | 1C | 23mAh | 0.65g | 4.4*8*11mm | |
3.85V | 1C | 35mAh | 0.85g | 5.4*8*10mm | |
3.85V | 1C | 36mAh | 0.91g | 5.6*8*9mm | |
3.85V | 1C | 65mAh | 1.55g | 5.6*16*18mm | |
3.85V | 1C | 105mAh | 3.3g | 3.2*17*24mm | |
3.85V | 1C | 255mAh | 6.5g | 3.3*24*24mm | |
3.85V | 1C | 260mAh | 6.25g | 4.5*19*27mm | |
3.85V | 1C | 320mAh | 7.65g | 4.5*19*27mm | |
3.85V | 1C | 330mAh | 7.85g | 5.5*25*50mm | |
3.85V | 1C | 1200mAh | 20.3g | 8*34*42mm | |
3.85V | 1C | 1200mAh | 19.5g | 5.6*30*50mm | |
3.85V | 1C | 2300mAh | 52.6g | 9.9*30*60mm |