48V10A Lithium Iron Phosphate Battery

Battery Group Specifications Box image: Configuration of Protective Plate: Protective Plate Parameters: Wiring diagram: Technical Requirements 1. Testing Conditions (unless otherwise specified) Temperature: 15~35℃ Relative Humidity: 45%~75% Atmospheric pressure: 86~106Kpa 2. Electrical...

Product Details

Battery Group Specifications

 

 

 

 

 



Pile Index

Rated Capacity 

10Ah

Minimal Capacity(0.2C5A)

10Ah

Nominal Voltage 

48V

NominalResistance

≤50.0mΩ

Max. Charge Voltage 

58.4V

Discharge cut-off voltage

40V

Charge Current

≤5A

Max Charge Current

5A

Charge method

CC/CV

Continuous Working Current

10A

Maximum Surge Current 1second

50A

Dimension(T×W×L)

(290±1) x (190±1) x (80±1) mm

 

Operating Temperature

Charge

0℃~45℃;32oF~113oF

Discharge

-20℃~60℃;-4oF~149oF

Storage

-10℃~35℃;14oF~95oF


Box image:

Lithium iron phosphate battery

Lithium iron phosphate battery


Configuration of Protective Plate:

Configuration of Protective Plate:


Protective Plate Parameters:


Description

Specification

Unite

Remarks

Discharge

Continue discharge current

10

A


Peak current

50

A


Charge

Charge voltage

58.4

V


Charge current

5(MAX)

A


Over charge 

protection

Over charge detect voltage

3.75±0.05

V


over charge protection delay

1

S


over charge release  voltage

3.7±0.05

V


Balance

 

Balance detect Voltage

3.6

V


Balance release voltage

3.6

V


Balance current

35±5

mA


Over discharge 

protection

Over discharge detect voltage

2.5±0.1

V


Over discharge detect delay

20

mS


Over discharge release voltage

2.5±0.1

V


Over current 

protection

Over current detect voltage

/



Over current detect delay

100

MS


Over current protection current

50

A

as required

Over current protection release condition

condition

Off load



Short Circuit 

protection

Short Circuit protection condition

Short circuit of external load ofext load short con



Short circuit detect delay

250

uS


Short circuit protection release condition

Off -load



Temp Protect




No

Inner Resistance

Main Circuit Conduct Inner resistance

≤20


Self Consumption

Working current

≤100

uA


Sleeping current(when  in discharge)

≤20

uA


Working Temp

Temp range

-20/+70



Wiring diagram:

图片1

Technical Requirements

1. Testing Conditions (unless otherwise specified)

Temperature: 15~35℃

Relative Humidity: 45%~75%

Atmospheric pressure: 86~106Kpa


2. Electrical Characteristics

NO

ITEM

Testing Instruction

Requirements

 

1

Standard Charge

 

Charging the cell initially with constant current at 0.2C and then with constant voltage at 58.4V till charge current declines to 0.05C

 

≤0.05C

 

2

 

Rated Capacity

 

Measure discharge capacity with discharge current 0.2C to 40V cut-off within 1 hour after standard charge.

 

≥10Ah

 

 

3

 

Cycle Life

 

Measure the capacity after 2000 cycles of standard charge and discharge at 0.2C current to 40V cut-off

≥80% of Rated Capacity

 

 

 

 

4

 

 

 

StorageCharacteris

tics

Capacity after 30days storage at 25℃ from standard charge


Retention capacity

≥96%

 

Capacity after 7days storage at 40℃ from standard charge

Recovery capacity≥ 96%


Environmental Characteristic

NO

ITEM

Testing Instruction

Requirements

 

 

 

1

 

 

Temperature testing

 

Measure capacity with constant discharge current 0.5C to10V cut-off at each temperature after standard charge at 25℃,Percentage as an index of the capacity compared with 100% at 25℃

 

 

80% at 0℃

100% at 25℃

99% at 60℃

 

 

2

Constant temperature

/humidity

Keep the battery at 60℃ and 90%RH for 12hrs


Recovery capacity

≥90%


Safe Characteristic)

NO

ITEM

Testing Instruction

 Requirements

 

 



1

 

 

 

 

Short Circuit

After standard charge,the battery located in a fume hood is to be  short-circuited  by  connecting  the  positive  and negative

terminals with an external load of less than 50 mΩ till the

battery case temperature has returned to near ambient

temperature.


 

 

 

 

 

 

 

 

 



The battery shall not rupture, smoke, catch fire, vent or leak.

 

 



2

 


Abnormal Changing Test


After discharge to 40V cut-off with discharge current 1C, the

battery is to be subjected to a charging current 3C.The

specified charging current is to be obtained by connecting a resistor  of  the  specified  size  and  rating  in  series  with  the

battery. The test time is to be calculated using theformula:

tc=40c/3(Ic)

 

 

3

 

Over discharge testing

 

After standard charge, the battery will be connected with external with a maximum resistance load of 0.1Ω for

24hrsuntil it is completely discharged and the battery case temperature has returned to near ambient temperature.

 

4


Puncture


After standard charge,the battery located in a fume hood is to be punctured with a nail (diameter ≥ 1mm) until it is 

completely discharged and the battery case temperature has returned to near ambient temperature

 

WARRANTY PERIOD & PRODUCT LIABILITY

●Warranty period of this product is 18 months from manufacturing code.

●Our company is not responsible for the troubles caused by mishandling of the battery which is clearly against the instructions in this specification.

●When Our company finds any new facts which require modification of this document, we will inform you again.

 

WARNINGS AND CAUTIONS IN HANDLING THE Lithium-ion BATTERY

To prevent a possibility of the battery from leaking, heating or explosion please observe the following precautions:

 

WARNINGS!

●Do not immerse the battery in water or seawater, and keep the battery in a cool dry surrounding if it stands by.

●Do not use or leave the battery near a heat source as fire or heater

●When recharging, use the battery charger specifically for that purpose 

●Do not reverse the positive (+) and negative (-) terminals

●Do not connect the battery to an electrical outlet

●Do not discard the battery in fire or heat it

●Do not short-circuit the battery by directly connecting the positive (+) and negative (-) terminal with metal objects such as wire.

●Do not transport or store the battery together with metal objects such as necklaces, hairpins etc.

●Do not strike or throw the battery

●Do not directly solder the battery and pierce the battery with a nail or other sharp object.


CAUTIONS!

●Do not use or leave the battery at very high temperature (for example, at strong direct sunlight or in a vehicle in extremely hot weather). Otherwise, it can overheat or fire or its performance will be degenerated and its service life will be decreased.

●If the battery leaks, and the electrolyte get into the eyes. Do not rub eyes, instead, rinse the eyes with clean running water, and immediately seek medical attention. Otherwise, it may injure eyes or cause a loss of sight.

●If the battery gives off an odor, generates heat, becomes discolored or deformed, or in any way appear abnormal during use, recharging or storage, immediately remove it from the device or battery charger and stop using it.

●In case the battery terminals are dirty, clean the terminals with a dry cloth before use. Otherwise power failure or charge failure may occur due to the poor connection with the instrument.

●Be aware discarded batteries may cause fire, tape the battery terminals to insulate them


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