Lightweight 72V50ah LiFePO4 Battery, 29kg Customizable Power Battery Pack for Electric Tricycles

Product Description

Product Description

I. Dear Valued Customer

At Guangdong Wenrui New Energy Co., Ltd., every single model produced in our state-of-the-art facility is a testament to our commitment to customization. With our High Performance LiFePO4 Battery Pack for Efficient E-Tricycles, you have the freedom to tailor every detail to your precise specifications. Be it due to varying installation techniques, unique mounting layouts, or the choice of distinct battery cell variations, our solutions are designed with flexibility in mind, ensuring a perfect fit for your needs.
We are eager to collaborate with you! Share your custom specifications with us and let us create a solution that exceeds your expectations. We are excited to hear from you soon!

II. Application Scenarios (Versatile Solutions Across Multiple Domains)

Outdoor Leisure: This battery pack is your ultimate companion for the great outdoors. Whether you're camping under the stars, embarking on a night fishing adventure (perfect for illuminating night fishing lights), powering your fishing boat, enlivening your outdoor audio setup, or enhancing your sports activities, it's the ideal power source.

Emergency & Tools: Be prepared for any situation with a reliable car emergency power supply, powerful enough for electric winches (a must-have for fishing tools) and oxygenators (essential for aquaculture and fishing support).

Engineering & Work: Depend on this robust power source for consistent energy supply at your construction and engineering sites, ensuring uninterrupted operation.

III. Core Features of the Product

Wide Temperature Adaptability

Designed to function seamlessly across a wide temperature spectrum from -20ºC to 50ºC, this battery stands out with its impressive resilience against both frigid cold and intense heat, promising consistent performance even in the harshest of climates.

Structural Protection

Featuring a Thickened Anti-Drop Shell, crafted from high-quality shock-resistant materials, and reinforced with specially engineered corners to effectively absorb impacts, this innovative design minimizes risks like internal component shifts or connectivity issues due to vibrations, thereby significantly prolonging the product's lifespan.

Performance Guarantee

Enjoy the peace of mind that comes with a robust performance guarantee: full capacity verified, powerful discharge capability demonstrated, and exceptional safety ensured through an intelligent built-in protection mechanism, delivering the ultimate security.

Customization

Explore our customizable options, featuring adaptable size configurations to perfectly accommodate diverse installation demands across various devices.

 

 

Product Parameters

 

Specification Confirmation: Elevate your energy solutions with our meticulously detailed specifications, designed to align seamlessly with your precise energy demands. Experience peerless reliability and heightened performance.Letter: Immerse yourself in a thorough exploration of the unmatched reliability and eco-friendliness of our LiFePO4 battery. This guide is meticulously crafted to meet the rigorous demands of contemporary construction environments.

 

Document Information	Details
Product Name	Ternary lithium battery pack
Customer Code	A013
Version Number	A/0
Issuing Date	2026-02-04

1. Conventional Technical Parameters: Delve into the core technological standards that define the exceptional performance and efficiency of our battery systems, engineered for consistent, high-powered output.

 

Project	72V50Ah	72V100Ah	72V120Ah	72V166Ah	Unit
Model	72V50Ah	72V100Ah	72V120Ah	72V166Ah	-
Rated energy	3840	7680	9216	12748	Wh
Rated capacity	50	100	120	166	Ah
Minimum capacity	≥98% of rated capacity	≥98% of rated capacity	≥98% of rated capacity	≥98% of rated capacity	-
Rated voltage	72	72	72	72	V
Battery pack internal resistance	≤0.47	≤0.47	≤0.47	≤0.47	mΩ
Charge stop voltage	87.6	87.6	87.6	87.6	V
Discharge stop voltage	60	60	60	60	V
Power consumption	≤50	≤250	≤50	≤50	uA
Charging mode	CC&CV (Constant Current & Constant Voltage)	CC&CV (Constant Current & Constant Voltage)	CC&CV (Constant Current & Constant Voltage)	CC&CV (Constant Current & Constant Voltage)	-
Standard charging current	10	20	20	30	A
Maximum continuous charging current	30	100	100	200	A
Maximum continuous discharge current	80	200	250	350	A
Peak current	160(2S)	240(2S)	240(2S)	400(2S)	A
Shipping voltage	78~82	78~82	78~82	78~82	V
Battery weight (max.)	29	60	71	86.7	KG
Battery pack size	480.3*310*175	480*365*260	520*440*230	558.4*399.4*250	mm
Battery cycle life (standard charge and discharge)	2000 cycles ≥95%	2000 cycles ≥95%	2000 cycles ≥95%	2000 cycles ≥95%	-
Operating temperature - Discharge	-20~65	-20~65	-20~65	-20~65	ºC
Operating temperature - Charge	-15~50	-15~50	-15~50	-15~50	ºC
Operating temperature - Storage	20~35	20~35	20~35	20~35	ºC

2. Basic Parameters of the Protection Board: Discover the essential safety mechanisms and electrical parameters integrated into the protection board, ensuring optimal protection and prolonged battery life.

2.1 Universal Protection Parameters (Applicable to All Models)

 

Function	Project	MIN	TYP	MAX	Unit
Cell Overvoltage Protection	Overvoltage protection voltage	3.600	3.650	3.750	V
Cell Overvoltage Protection	Overcharge protection delay time	1000	2000	3000	mS
Cell Overvoltage Protection	Overcharge protection restores voltage	3.500	3.550	3.26	V
Cell Over-discharge Protection	Over-discharge protection voltage	2.55	2.50	2.60	V
Cell Over-discharge Protection	Over-discharge protection delay time	1000	2000	3000	mS
Cell Over-discharge Protection	Over-discharge protection recovery voltage	2.650	2.60	2.70	V
Short Circuit Protection	Short protect protection current	2000	2100	2200	A
Short Circuit Protection	Short circuit protection delay time	281	300	320	uS
Discharge High Temperature Protection (external)	Temperature protection value	55	65	72	ºC
Discharge High Temperature Protection (external)	Temperature protection release value	62	65	68	ºC
Discharge Low Temperature Protection (external)	Temperature protection value	-25	-20	-15	ºC
Discharge Low Temperature Protection (external)	Temperature protection release value	-15	-15	-10	ºC
Charging High Temperature Protection (external)	Temperature protection value	45	50	55	ºC
Charging High Temperature Protection (external)	Temperature protection release value	40	45	50	ºC
Charging Low Temperature Protection (external)	Temperature protection value	-20	-15	-10	ºC
Charging Low Temperature Protection (external)	Temperature protection release value	-15	-10	-5	ºC
Balanced Function	Balanced opening voltage	3.30	-	-	V
Balanced Function	Opening voltage difference	10	-	-	mV
Balanced Function	Balanced current	20	-	-	mA
Balanced Function	Balanced mode	Static Balance	-	-	-

2.2 Differentiated Overcurrent Protection Parameters (By Model)

Project	72V50Ah	72V100Ah	72V120Ah	72V166Ah	Unit
Charging Overcurrent Protection
Charge overcurrent protection value (TYP)	90	210	210	300	A
Charge overcurrent protection value (MIN)	-	205	205	280	A
Charge overcurrent protection value (MAX)	-	215	215	320	A
Charging overcurrent delay (TYP)	60	10	10	10	S
Charging overcurrent delay (MIN)	-	5	5	5	S
Charging overcurrent delay (MAX)	-	15	15	15	S
1st Level Discharge Overcurrent Protection
1st Overcurrent Discharge value (TYP)	110	210	210	300	A
1st Overcurrent Discharge value (MIN)	-	205	205	280	A
1st Overcurrent Discharge value (MAX)	-	215	215	320	A
1st Overcurrent Discharge delay (TYP)	30	250	250	200	S
1st Overcurrent Discharge delay (MIN)	-	100	100	100	S
1st Overcurrent Discharge delay (MAX)	-	400	400	400	S
2nd Level Discharge Overcurrent Protection
2nd Overcurrent Discharge value (TYP)	100	500	500	600	A
2nd Overcurrent Discharge value (MIN)	88	400	400	500	A
2nd Overcurrent Discharge value (MAX)	120	600	600	700	A
2nd Overcurrent Discharge delay (TYP)	42	42	42	42	mS
2nd Overcurrent Discharge delay (MIN)	32	32	32	32	mS
2nd Overcurrent Discharge delay (MAX)	52	52	52	52	mS

3. Product Performance Testing: Gain insights into the exhaustive performance assessments that confirm the reliability, durability, and endurance of our power supply solutions, tailored for construction excellence.
(Applicable to All Models)

No.	Test Item	Test Conditions	Acceptance Standard
1	CHARGE AND PERFORMANCE	After standard charging, store for 30 days at 20±5ºC, then discharge to 55V with 0.2C current	Discharge capacity ≥85% of initial capacity
2	High-temperature discharge performance	After standard charging, place the battery in a 55±5ºC high-temperature chamber for 2 hours, then discharge to 55V with 0.5C current	Discharge capacity ≥90% of normal temperature discharge capacity
3	Low-temperature discharge performance	After standard charging, place the battery in a 0±5ºC low-temperature chamber for 16-24h, then discharge to 55V with 0.5C current	Discharge capacity ≥70% of normal temperature discharge capacity
4	OVERCHARGING TEST	After standard charging, continuously charge for 2.5h with 10A current at constant current and constant voltage set to 87.6V	No explosion, no fire
5	Over-discharge Test	Discharge to 60V with 0.5C current, then discharge to 55V with 0.2C current	No explosion, no fire
6	Vibration test	Battery with harmonic vibration of 0.8mm (1.6mm) amplitude, vibration frequency: 10~55Hz, sweep rate: 1Hz/min, vibrate once in X, Y, Z three directions, vibration time is 30min for each direction	No explosion, no fire
7	SHORT-CIRCUIT TEST	After the battery pack is charged, leave it for 1H at 20ºC±5ºC. Short circuit the battery externally for 10 minutes, the external circuit resistance shall be less than 5mΩ	No explosion, no fire

 

 

4. Precautions: Follow these critical safety precautions and usage guidelines to ensure your battery's integrity and maximum efficiency, guaranteeing secure and optimal functionality.

4.1. Avoid Water Exposure: Keep battery connections dry and protected from moisture, safeguarding operational functionality.

4.2. Temperature Warnings: Refrain from charging or storing near heat sources. In case of leakage or odor, relocate away from flames, and ensure a complete initial charge for peak performance.

4.3. Terminal Orientation: Maintain correct polarity by ensuring battery terminals are not reversed, preventing potential damage.

4.4. Fire Hazard Alert: Protect against hazards by never exposing the battery pack to open flames or intense heat.

4.5. Short Circuit Prevention: Safeguard terminals from metal contact to avert short circuits.

4.6. Physical Damage Avoidance: Avoid puncturing or crushing with nails or sharp objects to uphold battery integrity.

4.7. No Disassembly: Maintain safety and functionality by avoiding battery pack disassembly.

4.8. Microwave and Pressure Restriction: Prevent damage by not placing in microwaves or pressure vessels.

4.9. Abnormal Phenomenon: Ensure safety and maintain performance by immediately ceasing use if unusual smells, heat, or deformations are detected.

4.10. Extreme Heat Advisory: Protect against degradation by avoiding direct sun exposure or leaving in hot car interiors.

4.11. Electrolyte Exposure: In case of eye contact with electrolyte, rinse thoroughly with water immediately and seek medical attention without wiping.

4.12. Temperature Effect: Discharge capacity may decrease outside the ideal temperature range of 25±5ºC, so plan accordingly.

4.13. Charging Anomalies: Stop charging immediately if strange smells or noises occur during the process.

4.14. Discharge Irregularities: Cease discharging immediately if abnormal sounds or odors are perceived.

4.15. Manufacturer Assistance: Contact the manufacturer for any issues-refrain from attempting self-repair to ensure safety and integrity.

 

Packaging & Shipping

 

 

 

 

Embark on a journey of unparalleled excellence in shipping and packaging services with Guangdong Wenrui New Energy Co., Ltd. We are devoted to ensuring your High Performance LiFePO4 Battery Pack for Efficient E-Tricycles reaches its destination with utmost care and efficiency. Our service portfolio includes a versatile range of customizable delivery options, ingeniously crafted to harmonize efficiency and affordability. By partnering with us, you can design a bespoke shipping strategy meticulously tailored to meet your unique needs. Our expert and dedicated team is ready to collaborate with you, exploring innovative and personalized shipping solutions that not only fulfill but surpass your expectations.

Installation Instructions

 

Effortlessly achieve seamless energy integration with our Parallel Connection Of Batteries. For optimal energy distribution, simply join the positive poles together and connect the negative poles accordingly. This straightforward setup ensures your energy needs are met with the utmost efficiency.Elevate your energy experience with our exceptional installation guide, tailored for the superior Parallel Connection Of Batteries. Delight in the simplicity and unwavering reliability, with every aspect thoughtfully crafted for peak energy distribution. Relish the ultimate peace of mind as you effortlessly achieve unparalleled efficiency and performance with minimal exertion.

Our Advantages

 

Delve into the epitome of advanced battery technology with our Automotive Grade Cells, intricately designed with a robust 16-cell configuration. Harness the future with our groundbreaking integrated CAN bus RS485 Battery Management System (BMS), delivering unparalleled control and efficiency in every use. Experience peace of mind with the intuitive LED display that keeps you informed of the battery's power status, enhancing confidence with every charge. Our LiFePO4 battery comes pre-configured with precision optimal parameters, setting a new standard for industry-leading functionality, extraordinary longevity, and robust warranty offerings. Enjoy the assurance of daily cycling and seamless integration and communication with top inverter brands like SMA, Studer, Solar-Edge, S-chneider, DEYE, Solis, Sungrow, Growatt, Sofar, Must, Sol-Ark, and Sunsynk, ensuring an unmatched and superior energy experience.

 

 

Certifications

 

 

After Sales Service

 

Step into a realm of unparalleled tranquility with our comprehensive 1-year warranty. Relish in the ease of complimentary parts replacement and repairs, bestowing you with boundless confidence. This warranty ensures that your energy solutions stand strong, bolstered by extraordinary reliability and unwavering support.

Battery Safety

ENSURING SAFE AND RESPONSIBLE BATTERY USE

Dear Customer,

Our state-of-the-art lithium batteries are expertly designed for proficient handling and seamless replacement, embodying the innovative spirit of Guangdong. Wenrui New Energy. Leveraging our extensive expertise, we meticulously incorporate advanced safety mechanisms. Each product undergoes stringent safety evaluations, conforming to global safety and transport standards such as UN38.3 and GB8897.4. Please note, these high-energy density batteries house sensitive chemicals, which can be affected by environmental variations, external forces, improper storage, or misuse.

Despite robust safety protocols, several factors may still pose risks like overheating, thermal runaway, smoke, or fires, potentially leading to injuries or property damage.

To minimize these risks, protect your interests, and nurture lasting partnerships, we offer the following recommendations.

We graciously equip your esteemed company with vital safety instructions for utilizing lithium batteries. Please adhere to these diligently.

When utilizing Wenrui batteries, thoroughly review the "Product Specification" for detailed precautions, and follow the ensuing guidelines:

1. Keep the battery in its original packaging until needed, ensuring storage aligns with established standards.

2. Avoid clustering of batteries to prevent accidental short circuits.

3. Ensure batteries are not exposed to temperatures above 100 ºC and avoid incineration.

4. Do not charge, force discharge, compress, or pierce disposable lithium batteries.

5. Avoid welding directly on the battery surface; use batteries with pre-installed solder legs or leads.

6. Do not mix new batteries with used ones or those from different origins.

7. Prevent short-circuiting battery terminals or incorrect connections; refrain from disassembling the battery.

8. Avoid transporting or handling batteries with aggressive actions such as throwing.

9. Refrain from placing batteries unprotected or installing them in moist or corrosive environments.

10. For standalone lithium-ion batteries, strictly adhere to prescribed storage conditions and ensure a recharge every six months.

11. Manage lithium-ion batteries according to specified overcharging and over-discharging guidelines.

12. Ensure the product is kept out of children's reach and take measures to prevent ingestion.

13. When arranging single lithium batteries in series or parallel, consult with our customer service in advance.

14. Remove the battery from the device upon voltage depletion, disposing of used batteries as per legal standards.

Kind Reminder

1) Before using the battery, perform a thorough evaluation and adhere strictly to the "Product Specification" for operations.

2) Mishandling may lead to battery overheating or explosion, posing risks of injury or property damage.

3) Non-compliance with operational guidelines absolves the company of liability for any resulting incidents.

4) For queries, please promptly contact our customer service team for assistance.
 

Company Profile

 

Guangdong Wenrui New Energy Co., Ltd. - Your Trusted Partner in Power & Energy Storage Solutions!

 

 

Powering Progress, Storing the Future

Nestled in the vibrant heart of Huizhou, China, Guangdong Wenrui New Energy Co., Ltd. shines as a paragon of innovation and excellence in the production of power batteries and energy storage solutions. With years of dedicated service and cutting-edge R&D, we've honed our expertise in crafting high-performance lithium-ion batteries. Our products are meticulously engineered to meet the rapidly changing demands of the global market. By leveraging pioneering technologies and our unwavering dedication to quality, we lead the charge in delivering superior energy solutions across the globe.

Our Core Products:
Home Energy Storage Systems: Discover our next-generation 5kW, 10kW, and 15kW lithium battery solutions, including seamless lead-acid replacement conversions, designed to transform home energy efficiency and sustainability.
Specialty Vehicle Batteries: Uncover reliable power solutions crafted for Golf Carts, Sightseeing Vehicles, Electric Motorcycles, Tricycles, Quadracycles, and RVs, engineered for unmatched performance and reliability.
Commercial & Industrial (C&I) Energy Storage: Our scalable systems are meticulously engineered to provide businesses and industries with unparalleled energy reliability and efficiency.
Solar Energy Storage Integration: Our sustainable batteries are expertly designed for seamless integration with renewable energy systems, fostering a greener and more sustainable future.
Custom Battery Solutions: We provide bespoke designs tailored to your specific application needs, ensuring your unique requirements are met with unmatched precision and expertise.

 

Why Choose GuangdongWenrui?

Unmatched Advantages & Proven Strength:
1. Vertically Integrated "Super Factory": Our cutting-edge, self-sustained manufacturing facility, covering over 10,000 square meters, boasts multiple automated production lines. This ensures rigorous quality control and unmatched production capacity, epitomizing "Source Factory" excellence and setting industry standards.
2. Relentless Innovation: Fueled by a Professional R&D Team of seasoned experts, we continually innovate, focusing on developing high-performance, exceptionally safe, and ultra-reliable lithium-ion battery products. We consistently stay ahead of market needs, delivering solutions that exceed expectations.
3. Uncompromising Quality: Under the auspices of the Comprehensive ISO 9001:2015 Quality Management System, we rigorously oversee every stage of production, from raw material selection to final product shipment. Our commitment to premium quality is further validated by SGS certification, ensuring adherence to international standards and superior product excellence.
4. Agile Customization & Strong OEM Capability: Our flexibility is unrivaled. Our flexible production model enables extensive customization services to match your unique specifications perfectly. Supported by state-of-the-art equipment and a skilled workforce, our robust OEM capability guarantees high-quality production, consistent reliability, and dependable on-time delivery, making us the ideal partner for tailored solutions.
5. Global Source Factory Advantage: As a leading source factory, we eliminate intermediaries, providing competitive source factory pricing without sacrificing quality or performance. Trusted by clients worldwide, we are a top-quality, credible supplier, ensuring unparalleled value and reliability.

A Global Footprint: Our unwavering commitment to excellence has forged successful partnerships with clients across over 200 countries and regions, cementing our status as a key player in the global energy storage and power battery market. Our visionary goal is clear: to become the world's leading supplier of power and energy storage batteries, driving innovation and growth worldwide.

Experience the Wenrui Difference Firsthand:

05d12858

 

FAQ

 

1. Do you have any MOQ limit?
A: Yes. In general, MOQ is 1 set.

2. Factory or Trading?
A: We are the manufacturer specializing in lithium ion battery.

3. How about your delivery time?
A: For the big capacity, we can deliver around 25 days.
Depends on the items and the quantity of your order.
It usually takes 1-2 days if in stock.

4. Can you OEM and ODM Service?
A: Yes, we can provide free OEM Service, and ODM Service. We can design the packaging and logo according to your requirements.

5. Do you test all your goods before delivery?
A: Yes, all our products have been tested before delivery.

6. What is the biggest difference between your battery and other suppliers?
A: More than 20 years of manufacturing experience.
Honle Energy invests greatly in R&D to ensure the reliable, stable and technically advanced battery energy storage systems.

7. Tell me the standard of package?
A: We use strong wooden case for protection.

8. Could you offer Form A or C/O ?
A: No problem.
We can prepare relative documents to origin affairs office or other office to apply for related certificates for free.

9: How to proceed an order?
A: Firstly let us know your requirements or application.
Secondly we quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly we arrange the production.

10: Where can I get the price?
A: We usually quote within 24 hours after we get your inquiry.
If you are very urgent to get the price, please call us or tell us in your email so that we'll regard your inquiry priority

11: Is it OK to print my logo on product?
A: OK, Need customer provide their packaging or we make neutral packaging.

12. May I come to China to visit the factory and verify whether you are the source factory?
A:Sure, we always welcome your visit. We are looking forward to meeting and communicating with you in person. Let's take a look at our powerful factory together. We hope that after reading this, you can get in touch with us and build a bridge of our cooperative friendship!