High Discharge/High Power 18.5V 5S 5000mAh Li-Po Battery for Rescue-Hero Coast Guard Search & Rescue Heli, Teleoperated Robot, FPV Drone
| Category | Specification |
| Capacity | 5000mAh (5Ah) |
| Chemistry | LiPo |
| Configuration | 5S (5 Cells in Series) |
| Nominal Voltage | 18V |
| Maximum Voltage | 21V (4.2V per cell) |
| Minimum Voltage | 12.5V (2.5V per cell) |
| Watt Hours | 90 Wh |
| Energy Density | 224 Wh/kg |
| Max Continuous Discharge | 25 Amps |
| Max Charge Current | 5 Amps |
| Rec. Landing Voltage (Air) | 15V (3.0V per cell) |
| Rec. Cut-off Voltage (Ground) | 13.5V (2.7V per cell) |
| Dimensions (L x W x H) | 106 x 22 x 75 mm |
| Weight | 401g |
| Lead Length (Main & Balance) | 140mm |
High Discharge/High Power 18.5V 5S 5000mAh Li-Po Battery for Rescue-Hero Coast Guard Search & Rescue Heli, Teleoperated Robot, FPV Drone
High Discharge / High Power 18.5V 5S 5000mAh Li-Po Battery is a type of lithium polymer battery in 5S series, featuring 18.5V nominal voltage and 5000mAh capacity. It is engineered for mission-critical RC and robotic systems that require high output power, long endurance, and stable voltage during continuous operation.
Composed of superior raw materials, lithium cobalt and soft aluminum film, the 18.5V 5S 5000mAh battery is lightweight, compact, and designed with high energy density. The advanced pouch structure ensures efficient heat dissipation and mechanical flexibility, supporting reliable performance in demanding rescue and aerial environments.
Featuring low internal resistance and 20C–120C high burst current, the 18.5V 5S 5000mAh Li-Po battery can discharge maximum power instantaneously without rapid temperature increase. This enables strong lift, fast acceleration, and responsive control for emergency maneuvers and high-load tasks. To ensure ultimate safety, its internal is integrated with a protection circuit board (battery PCB) to protect against overcharge, overdischarge, overcurrent, over-temperature, and short circuit with 1–3ms fast response. The whole Li-Po battery production process conducts in high-automation production lines and medical-grade dust-free workshops under strict humidity control, supported by an MES system. It always delivers stable energy output and steady voltage to power rescue helicopters, teleoperated robots, FPV drones, and other high-reliability unmanned systems.
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.
CertificationVTCBATT lithium polymer batteries have passed numerous important international certifications, including UL1642, IEC62133, UN38.3, CE, ROHS, BIS and EU2024/1542, CE, ROHS, REACH, and KC certifications.
WarrantyVTCBATT LiPo batteries come with a 14-month warranty, 2 months longer than the standard 12-month warranty, providing extra coverage for shipping and customs clearance. This ensures customer confidence.
CustomizationDifferent 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.

Flexible order quantity to support prototype testing and mass production.

Our technical and sales teams reply to your inquiry within 6 hours.

Test our lithium battery quality and performance before placing bulk orders.
Batteries certified to UL, CE, UN38.3, MSDS, ROHS, IEC62133, and more global standards.
High Burst Current
The High Power 18.5V 5S 5000mAh battery features 20C-120C high burst current, providing instantaneous surge current to power the motor in the drones,helicopters,RC toys strongly. The burst current can be customized as per your power demand exactly.


Compact Power
Featuring ultra high energy density 290Wh/Kg and high voltage at 3.8V/3.95V/4.35V,the High Power 18.5V 5S 5000mAh battery can maintain the maximum power in the most compact sizw. It makes the drones,helicopters,RC toys much more lightweight and powerful.
Thermal Efficiency
The Optimized internal resistance(IR) stays in ultra low level to allow high discharge rate peak load without much heat generation, optimizing the performance in the maximum and extending the overall cycle life in the utmost.

LiPo Battery Advantage

Based on 0.5C/1C cycling, the VTCBATT lipo battery can maintain over 80% capacity after 500 cycles and totally reach 1000 times cycle life.

VTCBATT Lipo battery can be discharged from -20℃ to 60℃.
This wide temperature range performance enables the battery to operate in many conditions.

After 30-day and 60-day storage, there is slight 1%-2% slight voltage decrease under 50% SOC at 25°C.
Why Choose VTCBATT?
VTCBATT not only focuses on customised designs and excellent service to meet the diverse requirements of various customers, but also dedicates itself to precise and uniform manufacturing throughout all processes to ensure the highest quality batteries. Simultaneously, VTCBATT provides comprehensive support from pre-sales to after-sales, placing emphasis on customer feedback to build long-term, mutually beneficial cooperative relationships. VTCBATT’s professional sales team and technical engineering team stand ready to support you as your premier custom battery specialists, delivering reliable and prompt service at all times.
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 High Power 18.5V polymer lithium-ion battery
The VTCBATT High Power 18.5V 5S 5000mAh polymer lithium-ion battery is widely used in portable electronics and smart devices that require high energy density and stable power output. With a slim pouch design, it is ideal for Rescue-Hero Coast Guard Search & Rescue Heli, Teleoperated Robot, FPV Drone. This battery supports customized dimensions, voltage, and protection circuits to match specific application needs. Featuring low internal resistance, long cycle life, and reliable safety performance, the VTCBATT 5000mAh Li-polymer battery ensures efficient operation, extended runtime, and dependable performance for both consumer and industrial applications.

Provides reliable and sustained power for extended offshore search and rescue helicopter flight missions worldwide.

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Engineered for heavy lift cinematic rigs delivering robust power to capture flawless smooth aerial footage.

Supplies reliable sustained power for demanding ground station devices and heavy payload mini drone setups.

Achieve superior flight endurance and stable hovering capabilities during critical industrial aerial infrastructure inspection missions.










