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UPS Heatproof 48V 50Ah Lithium Ion Battery

China MaxLi Battery Ltd. certification
China MaxLi Battery Ltd. certification
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UPS Heatproof 48V 50Ah Lithium Ion Battery

UPS Heatproof 48V 50Ah Lithium Ion Battery
UPS Heatproof 48V 50Ah Lithium Ion Battery UPS Heatproof 48V 50Ah Lithium Ion Battery UPS Heatproof 48V 50Ah Lithium Ion Battery UPS Heatproof 48V 50Ah Lithium Ion Battery

Large Image :  UPS Heatproof 48V 50Ah Lithium Ion Battery

Product Details:
Place of Origin: China
Brand Name: MaxLi
Certification: CE, ISO9001, ROHS
Model Number: YS48-50
Payment & Shipping Terms:
Minimum Order Quantity: consultation
Price: consultation
Packaging Details: Standard export carton box
Delivery Time: 15-20days for samples
Payment Terms: T/T, , Alibaba Trade Assurance
Supply Ability: 2000pcs per month
Detailed Product Description
Battery Type: 48V LiFePO4 Rack Mount Battery Nominal Voltage: 48V
Charging Voltage: 54V Nominal Capacity: 54Ah
Constant Discharge Current: 50A Constant Charge Current: 50A
Peak Current: 150A Built-in BMS: With
Size: 412 X 438 X 135mm Weight: 31kgs
Communication Protocol: RS485 /RS232 /CANBUS
High Light:

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UPS Heatproof 48V 50Ah Lithium Ion Battery 0

Advantages of 48V 50Ah LiFePO4 battery Rack mount

High energy density

High discharge rate

Light weight

Long cycle life

Low self discharge

No memory effect


High working voltage for single battery cells

Capacity, resistance, Voltage, platform time consistency is good

With short-circuit production function, safe and reliable, Home ESS, Off grid system, Hybrid grid system, on-grid system.

Can communicate with Victron inverter.


Specification of Rechargeable Lithium 48V 50AH Battery 





Electrical Characteristics

Nominal Voltage 48V
Nominal Capacity 50Ah
Energy 2400Wh
Internal Resistance ≤ 50mΩ
Cycle Life >3000cycles @1.0C rate
Months Self Discharge <3%
Efficiency of Charge 100% @0.2C
Efficiency of Discharge 96~99%@0.5c



Standard Charge

Charge Voltage 54.8±0. 1V
Charge Mode 0.2C to 57.6V,then 57.6V,charge current to0.02C(CC/CV)
Charge Current 25A
Max. Charge Current 50A
Charge Cut-off Voltage 58.5V±0. 1V


Standard Discharge

Continuous Current 40A
Max continuous discharge current 50A
Discharge Cut-off Voltage 37.5V



Charge Temperature 0 ℃ to 45 ℃ (32F to 113F) @60±25% Relative Humidity
Discharge Temperature -20 ℃ to 60 ℃ (-4F to 140F) @60±25% Relative Humidity
Storage Temperature 0 ℃ to 40 ℃ (32F to 104F) @60±25% Relative Humidity
Water Dust Resistance IP56





Cell & Method 32700 6Ah 15S 9 P
Shell material Iron(SPCC)
Dimensions (in./mm.) 412 x 438 x 135
Weight (lbs./kg.) Approx:31Kg
Gravimetric specific energy 85WH/KG
Protocol (optional) RS485/RS232/CANBUS
SOC (optional) LED


The Curve of 48V 50Ah LiFePO4 battery


UPS Heatproof 48V 50Ah Lithium Ion Battery 1



Warning & Tips


Keep the battery against high temperature. Otherwise it will cause battery heat, get into fire or lose some functions and reduce the life;

When the battery run out of power, please charge it within 15 days;

Please use the original or recommended charger for this battery;

If the battery leaks and get into the eyes or skin, do not wipe, instead, rinse it with clean water and see doctor immediately;

lDo not use the battery when there exist abnormal conditions such as odour, discoloration, noise, leakage, serious deformation, etc.

Please far away from children or pets.


Period of Warranty


The period of warranty is 3years-5years from the date of shipment. MAXLI guarantees to give a replacement in case of battery with defects proven due to manufacturing process instead of the customer abuse and misuse.



Q1. Can I have a sample order?
A. Yes, we welcome sample order to test and check quality.

Q2. What about the lead time?
A. Sample needs 5-10 days, mass production time needs 3-5 weeks, it depends on order quantity.

Q3. Do you have any MOQ limit?
A. Yes, we have MOQ for mass production, it depends on the different part numbers. 1~10pcs sample order is available. Low MOQ, 1pc for sample checking is available.

Q4. How do you ship the goods and how long does it take to arrive?
A. We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.

Q5. How to proceed with 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 a deposit for formal order. Fourthly We arrange the production.
Q6. Is it OK to print my logo on the product?
A.Yes. Please inform us formally before our production and confirm the design firstly based on our sample.


Our service

1. All of our your inquires and emails will be replied within 24 hours
2. Our professional engineer team can provide you one stop battery solution
3. Battery voltage,capacity,case material,BMS and dimension can be customized
4. All of 48V 40Ah LifePO4 battery will be tested one by one before shipment
5. We can print your own logo on case or make customized label
6. We offer 2 years warranty and continuous technical support


Contact Details
MaxLi Battery Ltd.

Contact Person: admin

Tel: +8613823383063

Send your inquiry directly to us (0 / 3000)