Anhui Sunway New Energy Technology Co., Ltd.
                                                                                                           
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6 Years
Since 2020
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51.2V 400AH 20KWH Lithium Iron Battery With 5 Years Warranty

Price Negotiable
Price: 800/pieces
MOQ: Negotiable
Delivery Time: Negotiable
Brand: SUNWAY
Product Description

This high-performance 20kWh (51.2V) Lithium Iron Phosphate (LiFePO4) battery delivers reliable, long-lasting energy storage. Engineered for safety and durability, it features the inherent stability and thermal safety of LiFePO4 chemistry. With a typical lifespan exceeding 2000 cycles, it offers excellent value and low total cost of ownership.

Its standard 51.2V nominal voltage ensures seamless integration with compatible inverters and energy management systems. Ideal for residential and light commercial solar energy storage, backup power systems, and off-grid applications.

 

Key Features :
Wall type: Easy connection, support max 8 set parallel connection.
Longer Cycle Life : Offers up to 5000 times longer cycle life and five times longer float/calendar life than lead acid battery , helping to minimize replacement cost and reduce total cost of ownership
Lighter Weight : About 40% of the weight of a comparable lead acid battery . A " drop in" replacement for lead acid batteries
Higher Power : Delivers twice power of lead acid battery ,even high discharge rate, while maintaining high energy capacityWider Temperature Range : -20ºC~60ºC
Superior Safety: Lithium Iron Phosphate chemistry eleminates the risk of explosion or combustion due to high impact overcharging or short circuit situation

 

Applications :
♦Wheelchairs and scooters
♦Solar/wind energy storage

♦Back-up power for small UPS

♦Golf trolleys & buggies
♦Electric bikes

 

Product Parameters

Electrical

Characteristics

Nominal Voltage 51.2
Nominal Capacity 400Ah
Energy 20KWH
Internal Resistance(AC) ≤20mΩ
Cycle Life >5000 cycles @ 1C 80% DOD
Months Self Discharge <3%<>
Efficiency of Charge 100% @0.5C
Efficiency of Discharge 96~99% @1C
Standard Charge Charge Voltage 58.4±0.2V
Charge Current 200A
Max. Charge Current 200A
Charge Cut-off Voltage 62.4±0.2V
Standard Discharge Continuous Current 200A
Discharge Cut-off Voltage 43.2V
Envitonmental Charge Temperature 0ºC to 55ºC (32F to 131F) @60±25% Relative Humidity
Discharge Temperature -20ºC to 60ºC (-4F to 140F) @60±25% Relative Humidity
Storage Temperature -20ºC to 60ºC (-4F to 140F) @60±25% Relative Humidity
IP Class IP30

 

 

 

Q1:Are you a factory or trade company?
We are a factory who has more than 10 years experience in manufacturing; strong aftersale service team and technical support. Free design according to client requirements.
Q2:Whats the MOQ? We have stock and semi-finished products with enough base materials for new sampleand order for all models, So small quantity order is accepted, it can meet your require.ment very well.
Q3:Why others price much cheaper? We try our best to ensure our quality to be the best one in the same level price products. We believe safety and effectiveness are the most important.
Q4:Can I have a sample for testing?
Yes, you are welcome to test samples before quantity order; Sample order will be sentout 2-3 days generally.
Q5:Can Iadd my logo on the products?
Yes,OEM and ODM are available for us. But you should send us the Trademark authori-zation letter.
Q6 :Do you have inspection procedures?
100% self-inspection before packing.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Anhui Sunway New Energy Technology Co., Ltd.
Location 2F, Building 10, Electromechanical Industrial Park, 767 Yulan Avenue, Hefei, Anhui, China
Contact Person Zhang

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