Hi Lis,
1.Did you measure the Primary Draw Amps and Charge Input Amps by connecting two ammeters in series with charging battery and primary battery?
You can use the DMM or ammeters in series! but i did mine with a 1ohm resistor (measure Voltage drop across the resistor) and then used the Ohms law to do a calculation to find out the current draw
2. Is the Charge Term. Voltage meaning the charging battery voltage when the SSG just completed the runnng? In the "instruction" what is meaning of "Charge to 14.5V or the voltage recommended by battery manufacturer."
yea it means that voltage reading that you observe just before you disconnect it from the energizer for rest. you dont necessarily need to stop it at 14.5! you can go slightly higher or lower, whichever voltage you want! the 14.5V is only for recommendation! i see some of the other guys charge to only 13.5 or somethin.
3. Your resting time are differet for all the 20 runs. So your measurements of End Resting Voltage are not consistent.
Yes my resting voltage are different but the difference are not very significant (haha! i went outdoor totally forgetting abt taking the reading)
4. How did you discharge your battery? What resistance you are using? How to calculate the discharging time if you use C20 discharge rate?
I was using the normal car battery charger that i get from my dollar shop, but please do remember to give it also 1hr rest in between discharge and charging! as for the C20, it you can take your Battery's capacity Amp Hours to multiply by 0.8 such that at a C20 rate, your battery will only discharge to 20% after 20 hours. (to prevent irreversible effects on the batter). Thus for example, your battery is 7Ah,
so just take 7*0.8=5.6Ah
Then 5.6/20hours=0.28A to be discharged per hour
then using ohms law as the battery is 12V
12/0.28A=42.86Ohms <---- get a resistor of this value! of cuz cant be exact due to manufacturing limitation, HAHA!
5.Did you measure Load Term. Voltage by measure the voltage across the resistor when the battery was discharging?
Yes, all the term voltages are based on while the charging and discharging are taking place!
6.Your battery resting time for discharging for all the 20 runs were different also, is there any problem?
It may be due to duration problem as i am not always at my testing bay, so the charging and discharging sometimes are not uniform( there was once i went out forgetting that i was discharging, i over discharged to i think 11.5V or something) yea, its more on human error, however the 20 runs are supposed to be use for reviving damaged batteries and to observe the improvement and its holding charge performance.There are supposed to have changes as stated that the battery when charged this way will increase its capacity and charge faster over significant amount of cycles. The difference in hours of the resting hours with respect to the voltage recovered is not very significant unless if you let it rest for an extra 5 hours!
What my purpose of this experiment is to see if this energizer could really be churning out more than what I've input.
I recommend using a higher capacity battery as the primary battery.
Hope that i had answered your doubts! (i hope that my answers are accurate! anyone can correct if i'm wrong!)
Sorry for the super late reply, i was busy with my school stuff
Regards
Fox
1.Did you measure the Primary Draw Amps and Charge Input Amps by connecting two ammeters in series with charging battery and primary battery?
You can use the DMM or ammeters in series! but i did mine with a 1ohm resistor (measure Voltage drop across the resistor) and then used the Ohms law to do a calculation to find out the current draw
2. Is the Charge Term. Voltage meaning the charging battery voltage when the SSG just completed the runnng? In the "instruction" what is meaning of "Charge to 14.5V or the voltage recommended by battery manufacturer."
yea it means that voltage reading that you observe just before you disconnect it from the energizer for rest. you dont necessarily need to stop it at 14.5! you can go slightly higher or lower, whichever voltage you want! the 14.5V is only for recommendation! i see some of the other guys charge to only 13.5 or somethin.
3. Your resting time are differet for all the 20 runs. So your measurements of End Resting Voltage are not consistent.
Yes my resting voltage are different but the difference are not very significant (haha! i went outdoor totally forgetting abt taking the reading)
4. How did you discharge your battery? What resistance you are using? How to calculate the discharging time if you use C20 discharge rate?
I was using the normal car battery charger that i get from my dollar shop, but please do remember to give it also 1hr rest in between discharge and charging! as for the C20, it you can take your Battery's capacity Amp Hours to multiply by 0.8 such that at a C20 rate, your battery will only discharge to 20% after 20 hours. (to prevent irreversible effects on the batter). Thus for example, your battery is 7Ah,
so just take 7*0.8=5.6Ah
Then 5.6/20hours=0.28A to be discharged per hour
then using ohms law as the battery is 12V
12/0.28A=42.86Ohms <---- get a resistor of this value! of cuz cant be exact due to manufacturing limitation, HAHA!
5.Did you measure Load Term. Voltage by measure the voltage across the resistor when the battery was discharging?
Yes, all the term voltages are based on while the charging and discharging are taking place!
6.Your battery resting time for discharging for all the 20 runs were different also, is there any problem?
It may be due to duration problem as i am not always at my testing bay, so the charging and discharging sometimes are not uniform( there was once i went out forgetting that i was discharging, i over discharged to i think 11.5V or something) yea, its more on human error, however the 20 runs are supposed to be use for reviving damaged batteries and to observe the improvement and its holding charge performance.There are supposed to have changes as stated that the battery when charged this way will increase its capacity and charge faster over significant amount of cycles. The difference in hours of the resting hours with respect to the voltage recovered is not very significant unless if you let it rest for an extra 5 hours!
What my purpose of this experiment is to see if this energizer could really be churning out more than what I've input.
I recommend using a higher capacity battery as the primary battery.
Hope that i had answered your doubts! (i hope that my answers are accurate! anyone can correct if i'm wrong!)
Sorry for the super late reply, i was busy with my school stuff
Regards
Fox
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