3.6V 2000mAh Anti-explosion Lithium Ion Battery Design Solution of Handheld POS Machine

Jun 25, 2019   Pageview:390

POS (point of sale) is a multi-function terminal assembled in contributing businesses of credit card and its accepting network to connect the computer as network. In this case, it can transfer electronic funds automatically, including the functions of consumption, pre-authorization, balance enquiry and transfer accounts. Its application expands from POS system to the whole supply chain.


application environment

place

□ indoor ■outdoor

operating temperature/humidity

0~45℃;30~85%RH

storage temperature/humidity

0~45℃;30~85%RH

special performance

the requirements of charging and discharging under high-temperature & low-temperature

Charge at 0 ~ 45 ℃;

Discharge at -20 ~ 60 ℃

other requirements

expiration date

One year

explosive-proof grade

Exib iiB T4

waterproof grade

IP97

dustproof grade

IPxx

dropping frequency

/

application features 

operating voltage

3.0~4.2V

capacity

2000mAh

working hours

 

2.5 hours (within 50 cycles)

dimension

MAX:52.3*49.5*12mm

operating current

800mA

maximum starting current

2.8A starting time 20ms

maximum continuous operating current

2A

frequency and time

frequently

capacity management

/

certification and environmental requirement of finished products

types

■GB31241-2014(CQC)

□CE

□UL2054

□CB

□un38.3

□RCM

□KC

□PSE

component verification

□BIS

□BMSI

□REACH

□RoHS

battery directive

halogen-free

other: explosion-proof certification

schematic design

project No.

05BQ1088-03

specification

103443/2000mAh/3.6V

model

103443/2000mAh/3.6V

guard plate and hardware configuration

IC

bq27541V200+R5402N101KD-TR+LTC4361TSTB

MOS

AO8810 *3

P TC

TAL190F

NTC

/

other

/

encapsulation mode

□ fundamental protection □PVC+non-fundamental protection □ housing+fundamental protection ■housing+non-fundamental protection

key parameters

nominal voltage

3.7V

nominal capacity

2000mAh

dimension

67.5*37.5*20.5mm

internal resistance

≤150mΩ

weight

80G

charging condition

0.4A

continuous discharge current

0.8A

protective current

Discharge 5-8A

short circuit current

Discharge 2.9-3.1A (delay time: 10uS)

charging voltage

4.2V

End-off voltage

2.5V

cycle life

Charging and discharging requirements: charge at 0.2c, discharge at 0.2c

When leave 60% capacity, the cycle life is over 300 times.

charging temperature

0~45℃

discharging temperature

-20~60℃

storage temperature

-15~30℃

temperature protection

/

key feature

1、

High energy density and high capacity

2、Exib iiB T4

Explosive-proof grade: Exib iiB T4

3、IP97

Waterproof grade: IP97

product pictures

图片1.png


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