SPECIFICATIONS

Battery Type: LiFePO4

Brand Name: Fench Energy

Communication Port: CAN,RS-232,RS485

Dimension (L*W*H): 740*440*259.5mm

Grid connection: Off grid,Hybrid grid

Model Number: 51.2V 314Ah

Output Power Range: 10-20Kw

Place of Origin: Guangdong, China

System Type: Stackable,Rack-mounted

System Voltage: 51.2V

Type: Split

Weight: 130KG

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Model No	51.2V 280Ah	51.2V 314Ah	51.2V 330Ah
Battery Chemistry	16S1P
Pack Configuration	Lifepo4 Battery
Cell Model	LF3.2V/280Ah	LF3.2V/314Ah	LF3.2V/330Ah
Nominal Capacity	280Ah	314Ah	330Ah
Nominal Energy	14.34Kwh	16.08Kwh	16.89Kwh
Nominal Voltage	51.2V(3.2V/Cell)
Charge Voltage	56V(3.5V/Cell)
Discharge cut-off Voltage	44.8V（2.8V/Cell）
Max.charge current	200A
Max.discharge current	200A
Standard Charge	Using constant current charge to 54.5V， then using constant voltage 54.5V charge to taper current≤0.05C
Standard Discharge	Using 0.5C constant current discharge to 44.8V
Dimension（L*W*H）	440*272*740mm（Excluding wheels）
Net Weight	118KG			118KG
IP Level	IP21
Recommended SOC Range	15-95%
Shipment Voltage	51~53V
Operating Temperature	Charge：0℃~45℃； Discharge：-20℃~60℃
Cycle Life	≥8000 times
Warranty	10 Years

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Dongguan Fench Energy Technology Co.,Ltd. is a professional enterprise integrating **R&D, production and sales of energy storage lithium batteries**, focusing on providing customized green energy solutions for global clients. We are committed to empowering the low-carbon economy through high-quality products in the fields of energy storage cells, home energy storage and green energy applications.

1. Core Business & Product Portfolio We focus on three core product lines, covering multiple application scenarios: - Key Battery Types**: 3.2V/12V/24V/51.2V LiFePO4 Batteries, high-voltage lithium iron phosphate batteries; - Energy Storage Systems**: 24V/48V DIY Boxes (with smart BMS), 1kWh-256kWh Home Solar Storage Systems; - Application Fields**: - Energy storage: Solar energy storage systems, power walls, outdoor portable power banks; - Consumer electronics: Flashlights, toy cars, remote controls; - New energy vehicles: Electric bicycles, electric vehicles. 2. Production Strength & Quality Assurance We guarantee stable supply and reliable quality with solid hardware and strict management: - Production Scale**: 3,000+㎡ standardized workshop, 40+ skilled workers & specialists, and a material subsidiary for efficient supply chain support; - Advanced Equipment**: Automated battery pack production lines, ATE testing equipment, and a professional testing laboratory; - Authoritative Certifications**: Products have passed CE, ROHS, UL, UN38.3 certifications, complying with global quality standards. 3. Customer-Oriented Services We provide all-round support to meet diverse customer needs: - Flexible Customization**: OEM/ODM services with low MOQ, suitable for wholesalers and distributors; - Efficient Delivery**: FBA one-stop service for online retailers; warehouses in the EU and USA (additional international warehouses under construction) for fast logistics; - After-Sales Guarantee**: 5-year product warranty, 24-hour rapid response to solve customer problems in time.

4. Development Vision Fench Energy adheres to the concept of "green energy innovation", and works with global clients and partners to promote the development of low-carbon cities and contribute to building a sustainable future.

About the shipping
1	USA	ETD:3-7 working days	The tracking will be update after pick up by locale express.	By sea+FEDEX Delivery(DDP,Tax free)
						ETA:25-30 working days after delivery
2	EU	ETD:3-7 working days	The tracking will be update after pick up by local express.	By railway/sea+UPS (DDP,Tax free)
					ETA:40-50 working days after delivery
		EU Stock	ETD:Within 24 hours ETA:3-7 working days	The tracking will be update wtihin 48 hours.	By Gls UPS DPD etc. (DDP,Tax free)
3	AU	ETD:3-7 working days	The tracking will be update after pick up by local express:Usually it will take around 15-25 working days after delivery.	By sea+Delivery (DAP,CIF,DDP)
						ETA:25-30 working days after delivery
4	We can't deliver the following address directly.
A	USA: Sensitive Address and PO box address are not acceptable; Puerto Rico, Virgin Islands, Guam, Alaska Note:Hawail does not include customs duties and requires aditional freight, Please contact us online.
B	Portugal: Azores and Madeira.
C	Spain: Canary Islands, hueda and melilia
D	Russia: Kamchatka Peninsula
E	Other:Some remote areas not listed, Please provide shipping address and zip code to to us to check.
	Noted！！！！ The tracking will be update after pick up by local express. Please wait patiently or contact us for help. *Countries that do not appear in the table, Please click here to consult us for freight charges.

Q1：Are the batteries GRADE-A,Brand NEW?

A1:Yes, GRADE A + quality. the QR code is intact, Brand new.

Q2：What is the production date of the battery？

A2：Please consult our customer service. We will inform you of the latest production date.

Q3：Which brands of battery cells do you offer？

A3：EVEMB31 Cornex Rept Hithium CATL LISHEN etc.

Q4：How about the Warranty?

A4：We offer 5 years warranty for lifepo4 battery,For damaged due to non-human factors, we will refund or send new battery for replacement after providing pictures or videos for evidence.

Q5：Can you test each battery PRIOR to shipping?

A5：Capacity Test：Less 2% Margin of Error, and Over the Nominal Capacity. Voltage:The deviation less than 0.01V Resistance:Thedeviation less than 0.05mΩ