Custom 7.4v 15000mah li-ion battery Battery for Portable Medical Devices, Industrial Equipment, Robotics and AGV Systems
| Model | VTC-LP7585160-2S |
| Voltage | 7.4V |
| Capacity | 15000mAh |
| Max Size (Thickness x Width x Length) | 15.2mmX85.5mmX162mm |
| Operating Temperature | -20℃ to 60℃ |
| Standard Charge Rate | 0.5C |
| Standard Discharge Rate | 1C |
| Configuration | 2S1P |
| Weight | 586g |
7.4v 15000mah li-ion battery Factory in China
VTCBATT is a 18650 lithium battery factory and manufacturer focused on stable production, custom pack design, and application-ready power solutions. This 18650-1S2P 7.4V 5000mAh battery can be customized for connector type, wire length, protection circuit, casing, label, and packaging to match B2B device requirements. For solar garden lights, wireless security cameras, GPS trackers, portable speakers, handheld medical devices, barcode scanners, flashlights, and IoT sensor devices, VTCBATT supports sample validation, bulk manufacturing, and consistent quality control so customers can move from prototype to repeat orders with confidence.
Long Cycle Life
Based on 0.5C/1C cycling, the VTCBATT 7.4v 15000mah li-ion battery can maintain over 80% capacity after 500 cycles and totally reach 1000 times cycle life.


Temperature Performance
VTCBATT 7.4v 15000mah li-ion 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.


High energy density
Featuring high-energy density 200wh/kg-300wh/kg,the 7.4v 15000mah li-ion battery can deliver more power than other battery chemistries and support high drain current to power the devices strongly.
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
Thanks to high-tech automatic manufacturing ,such as automatic rolling and automatic OCV test,VTCBATT can support 100K dailly output of lithium battery cells within 20-25 days fast lead time.VTCBATT always offers 6-hour pre-sale consultation and on-site after-sale support to benefit our customers in the utmost. Cooperation with VTCBATT is not just for business,but for trust and reliablity.Over 20 years history,VTCBATT serves 200+ worldwide customers for different industries in IOT,medical devices,trackers and military.
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 7.4v 15000mah li-ion battery

High-capacity rechargeable power keeps barcode scanners productive across warehouse, retail, inventory, and logistics workflows daily.
Long-lasting rechargeable energy helps GPS trackers maintain accurate location monitoring for vehicles and assets reliably.

Reliable custom battery support helps handheld medical devices stay portable for testing, diagnostics, and monitoring.

Efficient lithium battery supply enables IoT sensor devices to run stable data collection remotely continuously.

Stable lithium battery power enables portable Bluetooth speakers to deliver longer wireless audio playback time.

Compact high-capacity backup power supports rechargeable flashlights for emergency, camping, inspection, and maintenance use needs.

Reliable rechargeable power keeps outdoor solar garden lights running longer through nightly decorative landscape illumination.

Consistent 7.4V power keeps wireless security cameras operating for remote monitoring and smart surveillance systems.









