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74V 40Ah Custom Rechargeable Li-ion Battery Pack - China Supplier Factory with Intelligent BMS & 3000+ Cycles
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.
Frequently Asked Questions
Q1
What is the nominal voltage and capacity of the HWE-20F40 battery pack?
The HWE-20F40 battery pack has a nominal voltage of 74.0V and a nominal capacity of 40.0Ah, delivering a total energy of 2960Wh. The charge voltage is 84.0V and the cut-off discharge voltage is 55.0V.
Q2
What are the discharge current capabilities of this battery pack?
The battery pack supports a continuous discharge current of 90.0A for up to 20 minutes, 150A for 5 minutes, and a peak discharge current of up to 300A for 3 seconds. This makes it suitable for high-power industrial and electric vehicle applications.
Q3
How long is the cycle life of the HWE-20F40 Li-ion battery pack?
The HWE-20F40 supports a cycle life of 3000+ charge/discharge cycles, ensuring long-term reliability and cost-effectiveness for demanding industrial and electric vehicle applications.
Q4
What communication interfaces and display features does this battery pack offer?
The battery pack is equipped with RS485 and CAN communication ports for easy system integration and real-time monitoring. It also features an LCD SOC display, allowing users to conveniently check the battery's state of charge at any time.
Q5
What type of connector terminal does the HWE-20F40 use?
The HWE-20F40 uses the Amphenol HVSPN R6 terminal, a high-quality connector designed for stable and reliable power transmission in high-voltage and high-current applications.
Q6
What are the typical application scenarios for this 74V 40Ah battery pack?
This battery pack is an ideal power solution for electric vehicles, industrial equipment, and various customized power applications. Its robust design, intelligent BMS protection, wide temperature adaptability, and high discharge capability make it well-suited for demanding and complex operating environments.







