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Spec.No: MGL9050

Page 9 of 11

VER:A

DATE:

28/07/2020

5.

 

Protection

 

circuit

 

Parameters

Item

 

Symbol

Content

Criterion

Over

 

charge

 

Protection

V

DET1

Over

 

charge

 

detection

 

voltage

4.325±0.025V

tV

DET1

Overcharge

 

detection

 

delay

 

time

0.15~4.6S

V

REL1

Over

 

charge

 

release

 

voltage

4.075±0.025V

Over

 

discharge

 

protection

V

DET2

Over

 

discharge

 

detection

 

voltage

2.5±0.05V

tV

DET2

Over

 

discharge

 

detection

 

delay

 

time

36~290mS

V

REL2

Over

 

discharge

 

release

 

voltage

Need recharge to release

Overcurrent protection

V

DET3

Over

 

current

 

detection

 

voltage

0.15±0.015V

I

DP

Over

 

current

 

detection

 

current

2~4.5A

tV

DET3

Detection

 

delay

 

time

4.5~18mS

Release

 

condition

Cut load

Short protection

Detection

 

condition

Cut

 

short

 

circuit

T

SHOR

T

Detection

 

delay

 

time

220~380μS

Release

 

condition

Cut

 

short

 

circuit

Interior

 

resistance

R

DS

Main

 

loop

 

electrify

 

resistance

< 60mΩ

Current

 

consumption

I

DD

Current

 

consume

 

in

 

normal

 

operation

2μA Type 6μA Max

Содержание MGL9050

Страница 1: ...1 of 11 DATE 28 07 2020 Lithium Ion Battery Pack Specification MODEL MGL9050 Prepared By Date Checked By Date Approved By Date 28 07 2020 28 07 2020 July 28th 2020 Customer Approval Signature Date Company Name Company Stamp ...

Страница 2: ...Spec No MGL9050 Page 2 of 11 DATE 28 07 2020 Amendment Records Edition Description Prepared by Approved by Date A First Publish 28 07 2020 ...

Страница 3: ... Nominal Voltage 3 7V Mean Operation Voltage 3 Voltage at end of Discharge 2 75V Discharge Cut off Voltage 4 Charging Voltage 4 2V IEC standard 5 Internal Impedance 180mΩ Internal resistance measured at AC 1KHZ after 50 charge The measure must uses the new batteries that within one week after shipment and cycles less than 5 times 6 Standard charge Constant Current 0 5C Constant Voltage 4 2V 0 01C ...

Страница 4: ...rge Current 1A Limited by PCB 9 Operation Temperature Range Charge 0 45 60 25 R H Bare Cell Discharge 10 60 10 Storage Temperature Range Less than 1 year 20 25 60 25 R H at the shipment state less than 3 months 20 40 Less than 7 day 20 65 11 Weight Approx 16g FYI 12 Max Pack Dimensions Length 43 0mm Width 31 0mm Thickness 7 5mm ...

Страница 5: ... than 10kΩ V 3 2 3 Ammeter Standard class specified in the national standard or more sensitive class Total external resistance including ammeter and wire is less than 0 01Ω 3 2 4 Impedance Meter Impedance shall be measured by a sinusoidal alternating current method 1kHz LCR meter 1kHz LCR 3 3 Standard Charge Discharge 3 3 1 Standard Charge Test procedure and its criteria are referred as follows 0 ...

Страница 6: ...ill the voltage tapered to 2 75V shall be measured after rested for 30min then finish standard charge Discharge Capacity 670mAh 3 6 Temperature Dependence of discharge capacity Batteries shall be charged per 3 3 1 and discharged 0 2Cto 2 75V Except to be discharged at temperatures per Table 3 Batteries shall be stored for 3 hours at the test temperature prior to discharging and then shall be disch...

Страница 7: ...nspection After full charge with standard charge store at 60 3 60 10 RH for 1 month 4 Mechanical characteristics and Safety Test Table 5 Mechanical characteristics No Items Test Method andCondition Criteria 1 Vibration Test After standard charging fixed the cell to vibration table and subjected to vibration cycling that the frequency is to be varied at the rate of 1Hz per minute between 10Hz an 55...

Страница 8: ...sh Fully charged Each test sample battery in turn is to be short circuited by connecting the and terminals of the battery with a Cu wire having a maximum resistance load of 0 1Ω Tests are to be conducted at temperature 60 2 No explosion No fire The Temperature of the surface of the Cells are lower than 150 Impact Fresh Fully charged A 56mm diameter bar is inlayed into the bottom of a 10kg weight A...

Страница 9: ...tVDET2 Over discharge detection delay time 36 290mS VREL2 Over discharge release voltage Need recharge to release Overcurrent protection VDET3 Over current detection voltage 0 15 0 015V IDP Over current detection current 2 4 5A tVDET3 Detection delay time 4 5 18mS Release condition Cut load Short protection Detection condition Cut short circuit TSHOR T Detection delay time 220 380μS Release condit...

Страница 10: ...ied or damaged charger Do not leave battery in charger over 24 hours Storage Store the battery in a cool dry and well ventilated area Disposal Regulations vary for different countries Dispose of in accordance with local regulations 7 Battery operation instruction 7 1 Charging Charging current Cannot surpass the biggest charging current which in this specification book stipulated Charging voltage D...

Страница 11: ...the Batteries The battery should store in the product specification book stipulation temperature range If has surpasses above for six months the long time storage suggested you should carry on additional charge to the battery 8 Period of Warranty The period of warranty is a year from the date of shipment We guarantees to give a replacement in case of cells with defects proven due to manufacturing ...

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