Hi all,
6 years ago I bought my first 8 LiFe cells, made by CALB (China Aircraft Lithium Batteries) and placed them into my King Tiger. 4 years ago I used it for the last time and charged the cells to storage voltage. Since this moment the cells were not charged till last saturday (of course I controlled the voltage every six months), because the voltage decreased by only 13 / 100 volts!
Last saturday I carged the cells from storage voltage to full voltage and made a test unloading with a special constant workload of 30 amps, made of car lamps. All cells had full capacity.
I don't know any other battery technology with similar characteristics. Also my other LiFe cells have a similar low rate of self discharge. Meanwhile alle my tanks are equipped with LiFe cells. The last try with other technologies (lead silicon cells 'Greensaver') 2 years ago was rather disappointing, because the batteries are dead, despite of monitoring and recharging them all 3 months.
A hymn on LiFe batteries
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Gerhard Michel
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A hymn on LiFe batteries
kind regards
Gerhard
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1/6 Scale models: Jagdpanther (AT), Jagdtiger (BT), Königstiger (Porsche turret, NH), Königstiger (Production turret, BT), Pz. IV (SH)
Gerhard
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1/6 Scale models: Jagdpanther (AT), Jagdtiger (BT), Königstiger (Porsche turret, NH), Königstiger (Production turret, BT), Pz. IV (SH)
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Stephen White
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Re: A hymn on LiFe batteries
Good news Gerhard. This bears out my point that although the acquisition cost of Lithium Iron Phosphate (LiFePO4) is relatively high, they are actually about the same cost as Lead Acid when you consider whole life costs. They last longer, have better discharge curves, deliver consistent power and have very low self discharge rates.
Not to be confused with LiPo and Li Ion, which need very careful handling and, if mishandled, can produce quite spectacular (and unextinguishable) fires.
Not to be confused with LiPo and Li Ion, which need very careful handling and, if mishandled, can produce quite spectacular (and unextinguishable) fires.