Also nice to use in the car with the adapter. Manufacturer found that people were not 'smart' enough to open the cover while charging. Just note that the newer models do not come with a clear cover. I have an older one from years ago that is still performing well. Posted by Perfect small charger on 4th Jan 2019 So, it is a good unit although has a strange little oddity that I' m not sure about. Then today, just before chucking in the bin it worked again!! Very strange. I tried multiple times over about a week and it was no-show, no LEDS unit appeared dead (although still took power ?). Tried power supply on something else and it was OK. However, last week none of the LEDs would show red or green - when batteries connected. Perhaps charging - some slow some fast - 2 or 3 times a week. So, have been using the C401FS for about 18 months. As an Electric Enginner I send my 'Kudos' to the enginneers who designed this device. Nowadays, not many products can claim that type of reliability and ability to be repaired/serviced. As charging efficiency is best within a temperature range of 10 C to 30C, whenever possible place the charger. Ambient temperature during charging affects charging efficiency. Charging 1.1 Charging temperature Charge batteries within an ambient temperature range of 0C to 45C. To my surprise it was working like new and has continued to do so ever since. the use and design of battery operated products. yet I tried and was able to dismantle it quite easily, clean the circuit board with 99% alcohol, re-assemble it. It had stopped working and I thought it was dead and good for the garbage. Once, I even charged an alkaline battery by mistake that leaked acid in the charger. A couple of times i had to unplug it/re-plug it because the status LEDs seemed 'frozen' but that' s about it. I have been using the slow charge option 99% of the time to ease the strain on batteries and charger circuit. I bought mine around 2010 and i have been using it almost every week to recharcharge NiMH batteries from all brands. Charges every battery individually based on its particular state of charge. 5 Have been using it for over 10 years!.Four independently-controlled channels charge and monitor each battery individually, charging it to its full potential without risking overcharging.Īccessory Parts: Power Adapter and Car Adapter.The pulse eliminates memory effects, making conventional battery conditioning and cycling obsolete. Unique FLEX negative pulse charging algorithm enables the battery to accept a more complete charge, significantly enhancing battery life.Both methods are driven by a microprocessor termination control, in order to prevent overcharging. The gentle charge also extends overall battery life. As an alternative to this rapid charge method, it allows for a slower, 5-hour gentle charge to keep batteries extra-cool when charging time is not a critical issue. The Maha MH-C401FS 100 Min Cool Charger with Car Adapter charges 1-4 AA or AAA NiMH or NiCD batteries in approximately 100 (AA) or 60 (AAA) minutes, while keeping them cool.
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