High Discharge/High Power 18.5V 5S 4000mAh LiPo Battery for Truggy toy, Monster Truck toy, RC Vehicle
| Category | Specification |
| Capacity | 4000mAh (4Ah) |
| Chemistry | Lithium-Polymer (LiPo) |
| Configuration | 5S (5 Cells in Series) |
| Nominal Voltage | 18.5V |
| Maximum Voltage | 21V (4.2V per cell) |
| Minimum Voltage | 15V (3.0V per cell) |
| Watt Hours | 74 Wh |
| Energy Density | 154 Wh/kg |
| Max Continuous Discharge | 128 Amps |
| Max Charge Current | 20 Amps |
| Rec. Landing Voltage (Air) | 17.5V (3.5V per cell) |
| Rec. Cut-off Voltage (Ground) | 16V (3.2V per cell) |
| Dimensions (L x W x H) | 140 x 46 x 45 mm (5.5″ x 1.81″ x 1.77″) |
| Weight | 496g (17.50oz) |
| Lead Length (Main & Balance) | 108mm (4.25″) |
High Discharge/High Power 18.5V 5S 4000mAh LiPo Battery for Truggy toy, Monster Truck toy, RC Vehicle
18.5V 5S 4000mAh High-Discharge and High-Energy Lithium Polymer Battery is a lithium polymer cell comprising five pouch cells connected in series, featuring a nominal voltage of 18.5V and a capacity of 4000mAh. This battery is engineered to power high-output remote-controlled vehicles requiring substantial torque and extended runtime, including mini truck and monster truck platforms.
Constructed from premium cobalt lithium and soft aluminium foil, this battery achieves high energy density through its lightweight, compact design. An enhanced cell structure ensures efficient thermal management and mechanical stability, withstanding the demanding RC environment of frequent impacts and vibrations.
The 18.5V 5S 4000mAh LiPo battery features low internal resistance and a high rated burst current of 20C-120C, enabling instantaneous maximum power discharge without significant temperature rise. This high-rate discharge capability delivers astonishing acceleration, formidable hill-climbing prowess, and stable power supply during aggressive driving and high-speed runs. To maximise safety, the integrated protection circuit board (Battery PCB) safeguards against overcharging, over-discharging, overcurrent, overheating, and short circuits, with protection mechanisms responding within 1-3 milliseconds. The entire lithium polymer battery manufacturing process is conducted on VTCBATT’s highly automated production lines within medical-grade cleanrooms under strict humidity control, with comprehensive quality tracking throughout via the MES system. It delivers sustained, stable power and constant voltage for off-road vehicles, monster trucks, and various high-performance radio-controlled vehicles. Offering custom battery solutions for diverse RC power equipment, it represents your ideal choice.
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 4000mAh 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 4000mAh 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 outstanding service to meet diverse customer needs, but also dedicates itself to precise and standardised manufacturing in every process, ensuring the highest quality batteries. At the same time, VTCBATT provides comprehensive support from pre-sales to after-sales service and values customer feedback to build long-term, mutually beneficial cooperative relationships. VTCBATT’s professional sales and technical engineering team is ready to support customers at all times with reliable and prompt service, as a leading specialist in customised batteries.
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 4000mAh 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 Truggy toy, Monster Truck toy, RC Vehicle. 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 4000mAh Li-polymer battery ensures efficient operation, extended runtime, and dependable performance for both consumer and industrial applications.
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