Alkaline batteries are divided into primary batteries, which are also primary batteries. In this sense, can alkaline batteries be charged?
The answer is yes, aa 600mah 1.2/9.6/4 volt 4.5 ah rechargeable batteries pack can also be charged, but there are many technical questions, such as, can alkaline batteries be charged under high current charging conditions?
Under the condition of charging below 0.1C, the alkaline battery can be charged 20 times, but this is different from the charging process of the rechargeable battery. Under normal conditions, they can only be charged at a partial discharge and cannot be charged after a deep discharge like a true rechargeable battery.
Alkaline battery charging is only partial charging, and this method is generally called "regeneration". The concept of "regeneration" further illustrates the charging characteristics of alkaline batteries;
The limitations of regenerative charge and discharge and the short cycle life determine that the regeneration of alkaline batteries is very uneconomical. To ensure successful regeneration of alkaline batteries, the following conditions must be met
steps/methods
1. When the discharge rate is moderate, discharge the initial capacity of the aa 600mah 1.2 v rechargeable batteries to a maximum of 30%, and the discharge should not be lower than 0.8V, so that regeneration is possible. When the discharge capacity exceeds 30%, manganese dioxide is produced preventing further regeneration. 30% of the capacity and a discharge voltage of 0.8V require proper equipment, which most consumers do not have.
2. Users can purchase a special charger mentioned above to regenerate. Can the alkaline 9.6 v rechargeable battery pack be rechargeable with other chargers? The safety hazard is too great. Under normal circumstances, NiCd and NiMH battery chargers cannot be used to charge alkaline manganese batteries, because the charging current of this kind of charger is too high, which may cause gas inside the battery. Out of the safety valve, it will leak. Going a step further, if the safety valve fails, it can even explode.
3. The time required for regeneration (about 12 hours) exceeds the discharge time (about 1 hour).
4. The capacity of the battery will drop to 50% of the initial capacity after 20 cycles.
5. Dedicated equipment requires more than three battery connections. In the case of three batteries with good consistency, if the capacity of the batteries is inconsistent, other problems will occur after regeneration, which may cause the battery voltage to become negative. At this time, it is dangerous to use the regenerated battery with the unused battery. The reversal of aa 600mah 1.2 v rechargeable batteries results in the generation of hydrogen inside the batteries, resulting in leakage or even explosion. Alkaline battery charging is obviously unnecessary without three batteries with good consistency at the same time.
6. Small current regenerative battery charger---30 mA for about eight hours, do not overcharge. It leaks for too long. About 70% of capacity can be restored.
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