| Item | Parameter |
|---|---|
| Nominal Voltage | 38.4V |
| Rated Capacity | 40Ah |
| Energy | 1536Wh |
| Cycle Life | >4000 cycles |
| Charge Voltage | 43.8V |
| Cut-Off Voltage | 30V |
| Charge Current | 40A |
| Discharge Current | 40A |
| Peak Discharge Current | 80A |
| Working Temperature | -20~65 (℃)-4~149(℉) |
| Dimension | 329*171*215mm(12.96*6.74*8.47inch) |
| Weight | 14.7Kg(32.41lb) |
| Package | One Battery One Carton, Each Battery Protected Well when package |
High Energy Density
>This 36 volt 40Ah Lifepo4 battery provides 40Ah capacity at 36V, equivalent to 1440 watt-hours of energy. Its compact size and lightweight make it suitable for light electric vehicles with limited space and solar energy storage at household and small industrial levels.
Long Cycle Life
> The 36V 40Ah Lifepo4 battery has a cycle life of 3000 to 6000 times. Its long service life provides sustainable and cost-effective energy for electric vehicles and solar energy storage.
Safety
> The 36V 40Ah Lifepo4 battery utilizes stable LiFePO4 chemistry. It remains secure even when overcharged or short circuited. It ensures safe operation in harsh conditions.
Fast Charging
> The 36V 40Ah Lifepo4 battery enables both rapid charging and high current discharging. It can be fully recharged in 2 to 5 hours and provides high power output for electric vehicles and inverter systems.
Switched to a waterproof battery for your fishing boat, and it’s a game-changer! It’s incredibly reassuring to know that your battery can withstand splashes and moisture, ensuring you have reliable power no matter the conditions. It’s made your time on the water much more enjoyable, and feel confident in its durability. Definitely a must-have for any avid fisherman!"
Monitor the battery status in hand, you can check the battery charge, discharge, current, temperature, cycle life, BMS parameters, etc.
No need to worry about after-sales issues with remote disgosis and control function. Users can send the historical data of the battery through the BT APP to analyze battery data and troubleshoot any issues, welcome to contact us. will share you vedio to know more about it.
Built-in heater, equipped with a proprietary internal heating technology, this battery is ready to charge smoothly and provide superior power no matter the cold weather you may face.
*Longer cycle life: 10 years design lifespan,LiFePO4 batteries are specifically designed to replace lead-acid batteries, making them an ideal choice.
*Equipped with an intelligent Battery Management System (BMS), there is protection against overcharge, over-discharge, over-current, high temperatures, and short circuits.

Long battery design life
01
Long warranty
02
Built-in BMS protection
03
Lighter than lead acid
04
Full capacity, more powerful
05
Support quick charge
06Grade A Cylindrical LiFePO4 Cell
PCB Structure
Expoxy Board Above BMS
BMS Protection
Sponge Pad Design
The 36V 40Ah Lifepo4 Battery: An Optimal Energy Solution for Light Electric Vehicles and Solar Energy Storage
The 36V 40Ah Lifepo4 rechargeable battery uses LiFePO4 as the cathode material. It offers the following main advantages:
High Energy Density: This 36 volt 40Ah Lifepo4 battery provides 40Ah capacity at 36V, equivalent to 1440 watt-hours of energy. Its compact size and lightweight make it suitable for light electric vehicles with limited space and solar energy storage at household and small industrial levels.
Long Cycle Life: The 36V 40Ah Lifepo4 battery has a cycle life of 3000 to 6000 times. Its long service life provides sustainable and cost-effective energy for electric vehicles and solar energy storage.
High Power Density: The 36V 40Ah Lifepo4 battery enables both rapid charging and high current discharging. It can be fully recharged in 2 to 5 hours and provides high power output for electric vehicles and inverter systems.
Inherently Safe: The 36V 40Ah Lifepo4 battery utilizes stable LiFePO4 chemistry. It remains secure even when overcharged or short circuited. It ensures safe operation in harsh conditions.
Due to these features, the 36V 40Ah Lifepo4 battery suits the following main applications:
•Light Electric Vehicles: electric bicycles, scooters, utility vehicles. Its high energy/power density and safety make it suitable for powering light commercial and recreational electric vehicles.
•Residential Solar Energy Storage: home battery energy storage, small scale off-grid systems. Its compact size, high energy density and long life provide efficient solar energy storage for households.
•Small Industrial Equipment: automated carts, mobile devices, handheld tools. Its durable and stable power supports highly demanding operations of some industrial electric equipment in remote locations.
Keywords: Lithium ion battery, solar energy, light electric vehicles, energy storage, backup power


ProPow Technology Co., Ltd. is a company specialized in the research and development as well as manufacturing of lithium batteries. The products include 26650, 32650, 40135 cylindrical cell and prismatic cell, Our high-quality batteries find applications in various fields. ProPow also provides customized lithium battery solutions to meet the specific needs of your applications.
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Forklift LiFePO4 Batteries |
Sodium-ion battery SIB |
LiFePO4 Cranking Batteries |
LiFePO4 Golf Carts Batteries |
Marine boat batteries |
RV Battery |
|
Motorcycle Battery |
Cleaning Machines Batteries |
Aerial Work Platforms Batteries |
LiFePO4 Wheelchair Batteries |
Energy Storage Batteries |


Propow’s automated production workshop is designed with cutting-edge intelligent manufacturing technologies to ensure efficiency, precision, and consistency in lithium battery production. The facility integrates advanced robotics, AI-driven quality control, and digitalized monitoring systems to optimize every stage of the manufacturing process.

Propow places great emphasis on product quality control, covering but not limited to standardized R&D and design, smart factory development, raw material quality control, production process quality management, and final product inspection. Propw has always adhered to high-quality products and excellent services to enhance customer trust, strengthen its industry reputation, and solidify its market position.

We have obtained ISO9001 certification.With advanced lithium battery solutions, a comprehensive Quality Control system, and Testing system, ProPow has obtained CE, MSDS, UN38.3, IEC62619, RoHS, as well as sea shipping and air transport safety reports. These certifications not only ensure the standardization and safety of products but also facilitate import and export customs clearance.
