331030 3.7V 70mAh LiPo Battery for Bluetooth Headset, Smartwatch, Fitness Tracker
| Model | VTC-LP331030 |
| Voltage | 3.7V |
| Capacity | 70mAh |
| Max Size (Thickness x Width x Length) | 3.5mmX10.5mmX32mm |
| Operating Temperature | -20℃ to 60℃ |
| Standard Charge Rate | 0.5C |
| Standard Discharge Rate | 1C |
| Configuration | 1S1P |
| Weight | 1.6g |
331030 3.7V 70mAh LiPo Battery for Bluetooth Headset, Smartwatch, Fitness Tracker
VTCBATT manufactures the 331030 3.7V 70mAh LiPo battery for compact electronic products that need stable power in a slim rechargeable format. As a lithium polymer battery factory and manufacturer, VTCBATT supports B2B customers with cell production, connector and wire customization, capacity matching, sample evaluation, and application-focused battery solutions for Bluetooth headsets, smartwatches, fitness trackers, medical wearables, GPS trackers, mini drones, wireless earbuds, and IoT sensors.
Temperature Performance
VTCBATT 70mah 3.7 v li po battery can be discharged from -20℃ to 60℃.
This wide temperature range performance enables the battery to operate in many conditions.
Low Self Discharge Rate
After 30-day and 60-day storage, there is slight 1%-2% slight voltage decrease under 50% SOC at 25°C.
Customization
VTCBATT can support full customization of the 70mah 3.7 v li po batteries in different sizes, capacities, connectors, discharge rates, and cases. Just inform us of your specific requirement, and our professional engineers can provide you with the customized lipo battery proposal.
Strict Cell Match
Strict cell match standards in 10mV voltage tolerance, 5mAh capacity tolerance, and 1mΩ to ensure excellent performance of the total 70mah 3.7 v li po battery pack.Furthermore,the PCB with cell balance function can long-lasting power supply without any failure.
Full Certification & Extended Warranty
VTCBATT LiPo batteries meet global certifications including CB, CE, UL, and UN38.3, and offer a 14-month warranty—two months longer than standard—to maximize customer confidence and profit.
VTCBATT lipo battery passed all the major global certifications, such as CB, CE, EN61000,IEC62133,MSDS.UN38.3,ROHS,UL,BIS,KC Certification,which makes your product more competitive.
Compared to a normal 12-month warranty, VTCBATT lipo batteries have 14-month warranty and two extra months for shipping and customs clearance ,which ensure the customer’s profit.
VTCBATT Production and Service
Under industrial manufacturing control in dust-free, 45% RH humidty and 25°C temperature,VTCBATT modern facility not only passed the ISO9001 certifications,but also ISO14001 certification to ensure the whole manufacturing process are in line with European standards.
Consisting of professional sales team and professional engineering group,VTCBATT is dedicated to offering pre-sales consultation to after-sales services in 24 hours fast response.
From the raw materials mixing to the cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries
quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application for 331030 70mah 3.7 v li po battery
70mAh LiPo cell supports lightweight Bluetooth headset designs needing reliable power and slim internal fit.
Small LiPo battery supports fitness tracker bands requiring lightweight power for sensors and wireless syncing.
Compact 3.7V LiPo battery powers GPS tracker modules where small size and stable output matter.
Compact pouch battery supports IoT sensor nodes needing standby efficiency, wireless reporting, and tight enclosures.
Reliable 70mAh pouch cell suits medical wearable devices needing compact power for continuous monitoring electronics.
Lightweight 70mAh battery supports mini drone builds needing low mass, quick bursts, and compact wiring.
Thin 3.7V pouch battery fits smartwatch modules needing compact energy storage and stable daily performance.
Slim LiPo pouch battery fits wireless earbuds cases requiring rechargeable cells and consistent audio power.
