JohnJohn
Użytkownik
- Samochód
- Ford Focus II 1.6 TDCi 90KM
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Warto, powyżej ok. 15.6v (różne źródła różne wartości) dochodzi do odsiarczania i wyrównania napięć na celach, dlatego zalecany jest bardzo niski prąd.@luckyboy mam akumulator fiamm titanium pro. Po ładowaniu następnego dnia pokazywał napięcie 12.95 V. Akumulator ma już ponad 2 lata. Warto go tak czasem podładować do napięcia 16.7?
To zależy od gęstości elektrolitu. Żona jeździ samochodem na krótkich dystansach, ostatnio zabrałem akumulator do domu i taki obrazek. Podładowałem go i wróciła gęstość.@luckyboy mam akumulator fiamm titanium pro. Po ładowaniu następnego dnia pokazywał napięcie 12.95 V. Akumulator ma już ponad 2 lata. Warto go tak czasem podładować do napięcia 16.7?
Zgadzam się z tym, nawet bliżej 1A jeżeli nadmiernie gazuje.Gęstość powinno wysycać się natężeniem 1-2A
9.1.4. The optional EQUALIZATION stage is a controlled 5% to 10% absorption overcharge to equalize and balance the voltage and specific gravity in each cell. Equalizing can reverse the build-up of the chemical effects like electrolyte stratification where acid concentration is greater at the bottom of the battery. It also helps remove sulfate crystals that might have built up on the surface or in the pores of the plates. Car batteries are not as prone to acid stratification due to the road vibration unless parked for long periods or trips less than five miles on smooth surfaces. The recommended frequency varies by motive deep cycle battery manufacturers from once a day to once a year. For stationary or solar deep cycle batteries, some short daily (30 minutes or less) equalizations have proven to be beneficial and not require the longer equalization cycles. They are not as hard on a flooded (wet) battery because they do not produce as much gas or heat the battery. You should equalize flloded (wet) batteries when one or more of the following occur:
Some AGM (Ca/Ca) VRLA batteries, like Concorde, can be equalized under certain conditions, but carefully follow the battery manufacturer's recommended procedures or you will damage the battery.
- Where the temperature compensated Specific Gravity reading difference between cells is .030 (or 30 "points") or greater
- Where the temperature compensated Specific Gravity reading difference of a cell is .010 (or 10 "points") or more below the reading for a fully charged cell when the battery is fully charged
- When one cell requires more water than all the other cells
- When one cell does not require as much water as all of the other cells
- When the SoC measured by a hydrometer does not materially agree with the SoC measured by an accurate (0.5% or better) digital voltmeter
How Do I Equalize My Battery?
To equalize, if installed in a vehicle first disconnect the negative battery lead to isolate the electronics or electrical system, check that the electrolyte is covering the plates in each flooded (wet) non-sealed cell, and fully recharge the battery. Then increase the charging voltage to the battery manufacturer's temperature compensated recommendation, or if not available, add 5% to 10% to the temperature compensated absorption charging voltage. Heavy gassing should start occurring in each flooded (wet) cell. Do not allow the flooded (wet) battery to get over 125° F (51.5° C) or a VRLA battery above 100° F (37.8° C). For flooded (wet) batteries, take Specific Gravity readings in each flooded (wet) non-sealed cell once per hour. Stop equalizing when the Specific Gravity values no longer rise during the gassing phase and when every cell is gassing evenly. Insure that the plates are covered with electrolyte at all times, and add distilled water if required, but do not overfill and reconnect the negative battery lead. Only equalize VRLA batteries, if the battery manufacturer recommends it and follow their instructions.
16.3.1. Light Sulfation
Check the electrolyte levels and try one of the following three methods for removing light sulfation:
6.3.1.2. Apply a constant current at 0.6% of the battery's Reserve Capacity or 1% of the Amp Hour capacity (C/20) rating for 48 to 120 hours, depending on the electrolyte temperature and capacity of the battery, at 14.4 VDC or more, depending on the battery type. For example, if the battery has a RC rating of 100 minutes or 60 Amp Hours (C/20) rating, use approximately .6 amps. Cycle (discharge to 50% and recharge) the battery a several times and retest its capacity. You might have to increase the voltage in order to break down the hard lead sulfate crystals. If the battery gets above 125° F (51.7° C) then stop charging and allow the battery to coolbefore continuing.
16.3.2. Heavy Sulfation
Check the electrolyte levels and try one of the following two methods for removing heavy sulfation:
16.3.2.1. Replace the old electrolyte with distilled, deionized or demineralized water, let stand for one hour, apply a constant current at four amps at 13.8 VDC until there is no additional rise in specific gravity, remove the electrolyte, wash the sediment out, replace with fresh electrolyte (battery acid), and recharge. If the specific gravity exceeds 1.300, then remove the new electrolyte, wash the sediment out, and start over from the beginning with distilled water. You might have to increase the voltage in order to break down the hard lead sulfate crystals. If the battery gets above 125° F (51.7° C) then stop charging and allow the battery to cool down before continuing. Cycle (discharge to 50% and recharge) the battery a several times and retest its capacity. The sulfate crystals are more soluble in water than in electrolyte. As these crystals are dissolved, the sulfate is converted back into sulfuric acid and the specific gravity rises. This procedure will only work with some batteries.
Kilka dni temu zabrałem się za "naprawe" aku w jeszcze gorszym stanie (brakło skali na aerometrze), finalnie 5 cel po ~1.30 a jedna została jak była w okolicach 1.10-1.14, niestety aku śmietnik a liczyłem że uda się go uratować...To zależy od gęstości elektrolitu. Żona jeździ samochodem na krótkich dystansach, ostatnio zabrałem akumulator do domu i taki obrazek. Podładowałem go i wróciła gęstość.View attachment 5466
Jeżeli aku jest rozładowany to po rozruchu alternator będzie walił w niego duży prąd i tylko go szybciej dobijesz@MP_MOTORS ale trzech za tyle nie kupię