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What's the difference between High Voltage battery and Normal Battery?

Started by Gens-Tattu, Thursday,June 25, 2015, 08:43:01

Previous topic - Next topic

Gens-Tattu

More and more battery manufacturers start to produce high voltage batteries. But what makes them choose the 4.35V lipo? Let me show you some test report!

   Test Progress:
     1. fully charged with constant current and voltage;
     2. place it for 10 seconds;
     3. discharged to 18.0v with a constant current of 50Ah;
     4. place it for 10 seconds;
     5. end.
  Specification Comparison:
Item                                4.35v                                                             4.20v
Cell type                        TATTU--AGPA175175-T1A-16000mAh             TATTU--ASPA775175-E1A-16000mAh
Assembling                   6S1P                                                             6S1P
Dimension                    63x77.5x189mm                                             64x76.5x190mm
Capacity                       17086mAh                                                     16843mAh
Weight                       1888g                                                             1946.5g
Internal resistance       6.1mΩ                                                             7.3mΩ
Median voltage       22.347                                                             21.991
Differential pressure    3                                                                     4

Conclusion:
1. With same designed capacity, the practical capacity of high-voltage battery is 10% larger than that of normal battery. So does the discharging time, longer than that of normal battery;
2. Under the condition of same structure and same material, high-voltage battery is 10% lighter;
3. High-voltage battery has a lower internal resistance but higher median voltage;
(Note: the higher median voltage is, the more stable the battery is, and the longer battery's lifetime is.)
4. According to the chart, the discharge platform of high-voltage battery is generally higher.

ProfessionalUAV lipo battery manufacturer