Dynamis lead-line Technical Manual Download Page 1

 

DYNAMIS Batterien GmbH    

Brühlstr. 15   D-78465 Dettingen / Konstanz 

Tel. +49 7735 93669-0               Fax +49 7735 93669-91  
 [email protected]        www.dynamis-batterien.de

 

04.12.2006 

Page 1 of 

15

 

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Sealed Lead Acid Batteries   

Technical Manual 

 
Contents  
 

 

1.  Construction of Sealed lead acid batteries  
 

2.  Reactions of Sealed lead acid batteries  

 

3.  Sealed lead acid batteries characteristics  

     3.1 Battery capacity  

     3.2 Battery voltage  

     3.3 Battery self discharge  

     3.4 Battery internal resistance  

     3.5 Battery life  

 

4.  Operation of sealed lead acid batteries  

    4.1 Preparation prior to operation

 

     4.2 Charging methods for standby use batteries 

     4.3 Charging methods for cyclic use batteries 

     4.4 Discharge protection of batteries 

    4.5 Equalization charging  

     4.6 Thermal runaway phenomena 

 

5.  Maintenance of sealed lead acid batteries  

    5.1 The storage and maintenance of batteries  

    5.2 The detection and remedy of "defective" batteries  

    5.3 The recycling of batteries  

 

 
 
 
 
 
 
 
 
 
 

Summary of Contents for lead-line

Page 1: ...tics 3 1 Battery capacity 3 2 Battery voltage 3 3 Battery self discharge 3 4 Battery internal resistance 3 5 Battery life 4 Operation of sealed lead acid batteries 4 1 Preparation prior to operation 4...

Page 2: ...nd formation processes to sponge lead active material The grid is made of Pb Ca alloy and the lead paste is a mixture of lead oxide and sulfuric acid Electrolyte A high purity sulfuric acid solution w...

Page 3: ...d plate plate solution plate plate solution PbO2 Pb 2H2SO4 PbSO4 PbSO4 2H2O lead dioxide lead sulfuric acid lead sulphate lead sulphate water As the charge nears completion little lead sulfate remains...

Page 4: ...pacity of WP5 12 battery is 5Ah when the battery is discharged with C 20 rate i e 0 25 amperes the discharge time will be 20 hours The battery capacity is varied with the discharge rate The larger the...

Page 5: ...e open circuit voltage The concentration of sulfuric acid in the battery is an indicator of battery capacity Therefore the state of charge of the battery is available through measuring the open circui...

Page 6: ...city of battery after storage can be obtained by measuring its open circuit voltage and referring to the capacity verse OCV table Obviously the OCV should be measured before recharge Batteries stored...

Page 7: ...ternal resistance measurement methods and their obtained values are sometimes different each other Conductance i e the reciprocal of internal resistance which is expressed as mho or Siemens has some k...

Page 8: ...ns in the battery may explode if ignited by sparks from machinery or switches Tightly screw the connector with the terminal of the batteries Do not lay a metallic object on top of a battery Insert ins...

Page 9: ...f batteries is influenced by the following factors the charging mode the battery s temperature the battery s charging frequency and the depth of discharge Proper charging mode is the most important fa...

Page 10: ...ugh time In discharge all cells should deliver the same amount of charge In consequence the lower capacity cells will experience deeper discharge and faster degradation A three stages charging mode is...

Page 11: ...or floating charged immediately 4 5 Equalization charging Cyclic use batteries after charge and discharge for 20 to 40 cycles are suggested to perform one equalization charge Before such equalization...

Page 12: ...esulted and the battery will be severely deformed and bloated Several precautions are listed as follows to prevent the thermal runaway Avoid the dry out of batteries Do not charge at voltage higher th...

Page 13: ...storage charge every 6 months 30 C storage charge every 3 months Recharge method To charge with constant voltage of 2 4 2 5V cell and initial current of 0 4CA and total duration of 5 8 hours 5 2 The...

Page 14: ...r 12 5V for 12V battery is a defective battery The fully charged battery should have OCV higher than 6 45V for 6V battery or 12 9V for 12V battery If the battery has values between 6 2 6 45V for 6V ba...

Page 15: ...DYNAMIS Batterien GmbH Br hlstr 15 D 78465 Dettingen Konstanz Tel 49 7735 93669 0 Fax 49 7735 93669 91 info dynamis batterien de www dynamis batterien de 04 12 2006 Page 15 of 15...

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