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Design scheme of lithium battery protection board for high-power electric motorcycle

Time£º2017-01-10     Author£ºWuhan Yanyang IOT Technology Co., Ltd.¡¾Original¡¿   Read

electrical appliances    
Power supply for outdoor communication equipment, photovoltaic products, and outdoor BBU products£»Wide temperature range operation£¨-40~70¡æ£©£¬Charge and discharge under all-weather harsh temperature conditions£»Especially suitable for outdoor products.
 
Application Environment  
Application place       ¡öindoor¡öoutdoor
Operating temperature/humidity      -40¡«70¡æ£»40¡«60%RH
Storage temperature/humidity      -30¡«45¡æ£»50¡«70%RH
 
Special properties   
High and low temperature charge and discharge requirements       -40¡«45¡æcharge£»-40¡«70¡ædischarge
other requirements       warranty     one year
Explosion-proof grade       /
Waterproof level      /
Dust rating       /
Number of drops       3£»300mm vertical drop
 
Operating voltage range      8.0¡«13.5V
Battery Capacity       6.4Ah/10.4Ah/15.6Ah/20.8Ah
operating hours      /
battery size       175*180*67mm
normal working current       2000mA
Maximum starting current       /
Maximum continuous operating current       4.0A
Electricity frequency and time   continuous use
Power management      communication method ¡õCAN2.0 ¡õI2C ¡õRS485(MODbus£©
 
Finished product certification and environmental protection requirements   
type       ¡ö GB31241-2014£¨CQC£© ¡ö CE
¡ö UL2054     ¡ö UL60950
¡ö un38.3      ¡ö RCM
¡ö KC     ¡ö PSE
¡õparts certificate    ¡ö BIS
¡ö BMSI ¡ö REACH
¡ö RoHS ¡ö battery command
¡õHalogen free    other:
 
Design      
Battery Specifications       H PB-211-31(11.5V6.4Ah£©
Cell model       LA18650-1350mAh-2.3V 
Protection board and hardware configuration       IC    /
MOS       /
PTC /
NTC /
other      /
Package form       ¡õBasic protection class ¡õPVC+non-essential protection ¡ö shell+Basic protection class ¡õshell+non-essential protection
The main parameters       Nominal Voltage       11.5 V
Nominal capacity      6400 mAh
battery size       175*180*67
battery internal resistance       ¡Ü 200 m Ω
battery weight       1k g
recharging current       1280m A£¨0.2C£©
Continuous discharge current       2000m A
protection current       10 A
Charging voltage       13.5 V
Discharge cut-off voltage      8.0 V
service life       Charge and discharge conditions 0.2C charge 0.2 Cdischarge,¡Ý 10000 
charging temperature       -40 ¡« 45 ¡æ
Discharge temperature      -40 ¡« 70 ¡æ
storage temperature       -30 ¡« 45 ¡æ
temperature protection       \ ¡À \ ¡æ
 
main feature   
1¡¢It can work normally under harsh conditions -40 degrees; capacity retention rate¡Ý70%£»
 
2¡¢Charge the battery pack at -40 degrees£»
 
3¡¢At room temperature, the battery can be charged and discharged at a maximum of 6C£»

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