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74V 40Ah Custom Rechargeable Li-ion Battery Pack - China Suppliers & Factory with Intelligent BMS and 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
-
⚡
High Energy Density
2960Wh total energy with stable 74V voltage output -
🔋
3000+ Cycle Life
Long-lasting performance for demanding applications -
🔌
High-Power Discharge
90A continuous / 150A (5 min) / 300A peak (3s) -
📡
Smart BMS & Communication
RS485/CAN ports with LCD SOC display
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 type of cells are used in the HWE-20F40 74V 40Ah battery pack?
The HWE-20F40 is assembled using high-performance prismatic ternary lithium (Li-ion) cells. These cells offer high energy density, stable voltage output, and excellent high/low temperature adaptability, making them well-suited for demanding industrial and electric vehicle applications.
Q2
What is the maximum discharge current supported by this battery pack?
The battery pack supports a continuous discharge current of 90A (for 20 minutes), 150A for up to 5 minutes, and a peak discharge current of up to 300A for 3 seconds. This makes it suitable for high-power, short-burst applications as well as sustained high-load operations.
Q3
What communication interfaces does the HWE-20F40 battery support?
The battery pack is equipped with both RS485 and CAN communication ports, enabling seamless integration with a wide range of industrial control systems, BMS management platforms, and electric vehicle controllers for real-time data monitoring and system coordination.
Q4
How long is the expected cycle life of this 74V 40Ah Li-ion battery?
The HWE-20F40 battery pack is rated for a cycle life of 3,000 cycles or more under standard operating conditions. This extended lifespan reduces total cost of ownership and ensures reliable performance over years of use in industrial and electric vehicle environments.
Q5
What connector and terminal type does this battery pack use?
The battery pack uses the Amphenol HVSPN R6 high-voltage connector. Amphenol connectors are industry-recognized for their reliability, secure locking mechanism, and ability to handle high-current applications, ensuring safe and stable power transmission in demanding environments.
Q6
Is this battery pack suitable for custom or OEM applications?
Yes. The HWE-20F40 is designed to support customized and OEM applications. With its intelligent BMS, flexible communication interfaces (RS485/CAN), LCD SOC display, and robust construction, it can be tailored to meet specific voltage, capacity, and integration requirements for electric vehicles, industrial machinery, and other specialized equipment.