01
74V 40Ah Custom Rechargeable Li-ion Battery Pack
Product Model |
HWE-20F40 |
Battery Type |
Li-ion |
Norminal Voltage |
74.0V |
Norminal Capacity |
40.0Ah |
Dimension(L*W*H/TH) |
400×230×170mm |
Rough weight |
22.5Kg |
Cycle Life |
≥3000 times |
Energy |
2960Wh |
Charge Voltage |
84.0V |
Charge Current |
20.0A |
Max Charge Current |
≤40.0A |
Cut-off Discharge Voltage |
55.0V |
Discharge Current |
90.0A (20min) / 150A (5min) |
Max.Discharge Current |
≤300A (3S) |
SOC Display |
LCD Display |
Communication Port |
RS485/CAN |
Housing Material |
N/A |
Terminal Type |
Amphenol HVSPN R6 |
Product Introduction
This 74V 40Ah custom Li-ion battery pack is meticulously assembled with high-performance prismatic ternary lithium cells, featuring high energy density and stable voltage output. Surpassing traditional battery solutions in comprehensive performance, it has extended cycle life, good high and low temperature adaptability and strong reliability, capable of withstanding the complex working conditions of various industrial and electric equipment applications. Equipped with a stable discharge platform and low internal resistance, it supports 90A continuous discharge (150A for 5 minutes, 300A peak for 3 seconds), fully meeting the high-power and long-duration power supply needs of various equipment.
With intelligent BMS protection, LCD SOC display, RS485/CAN communication ports and high-quality Amphenol terminals, it realizes real-time monitoring, system integration and stable power transmission. The battery pack supports 3000+ cycle life, and its robust aluminum alloy housing ensures durability in demanding environments, making it an ideal power source for electric vehicles, industrial equipment and customized applications..
Product Application
Tailored for industrial equipment and custom power application scenarios, this 74V 40Ah custom Li-ion battery pack is a reliable power source for various high-demand applications. It is widely applied in spot welders, AGV robots, forklifts, electric vehicles, marine power systems and communication base station backup power. With intelligent BMS protection, real-time monitoring and robust aluminum alloy housing, it ensures stable power delivery in demanding environments.
As a custom solution, this battery pack can be adapted to meet specific voltage, capacity, connector and communication requirements across various industrial, commercial and specialized scenarios. Whether for high-power pulse applications like spot welding or continuous operation in material handling equipment, our flexible customization ensures the ideal power solution for your unique needs.
Product Certification
Howell LiFePO4 batteries have been approved by a series of authoritative certificates such as UL, CB, IEC62133, UN38.3, CE, Rohs, Reach, EU, BIS, KC, 3C, BSMI, PSE, CTIA, UKCA, WERCS and so on. All products comply with international and domestic battery industry standards, with reliable quality and complete after-sales guarantee.
Product Shipping
Howell batteries can be used in various electronic products, including industrial products, such as Bluetooth speaker, Auto electronics, GPS, Digital products, Portable DVD, Tablet PC, POS terminal, PDA, Two way radio, Power bank, RC toys, Medical device, Electric bike, Electric scooter, Solar Street Light, Security Products, Solar&wind Energy Storage System, etc.
Move beyond standard batteries that force you to compromise. We specialize in fully customizable battery solutions engineered to fit your exact specifications.
Whether you need a precise form factor to slip into an innovative design, unique voltage and capacity for peak performance, or specialized connectors for seamless integration—we make it possible. From compact wearables to robust industrial equipment, our engineering team collaborates with you to develop a battery that powers not just your device, but your ambition.
Ready to Power Your Unique Project? Contact our technical team today to start your custom battery solution.