Q:Will this charger hold a consistent 50amps +/- 10% for the whole charging session or does it lower amperage over time?
by|Jan 10, 2024
1 Answer
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A: The 50-amp charge rate is not constant; the amperage will lower as the battery charge level increases. Please call customer support at 800-621-5485 if you have further questions about this product.
by|Jan 10, 2024
Q:can you used this on tractor batteries
by|Nov 8, 2023
1 Answer
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A: Yes, you can use this charger on tractor batteries. This charger has a setting of 6<>2A Charge/Maintain – For charging small and large batteries.
by|Nov 8, 2023
Q:Will this charger output 200amps continuously for at least 15 minutes or does it have a time out delay? Wanting to use it to desulfate old batteries.
by|Apr 5, 2023
1 Answer
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A: This charger will not output 250amps in jumper start mode continuously. it will be available for a few seconds only. It will not work to desulfate old batteries.
by|Aug 13, 2023
1 found this answer helpful
Q:Can this charger also function as a power supply
by|Oct 14, 2022
1 Answer
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A: This charger is not intended to supply power to a low-voltage electrical system other than in a starter-motor application.
by|Oct 17, 2022
Q:if I buy the 2 year warranty does it begin after the manufactures' warranty of 2 years ends, for a total of 4 years?
by|Dec 14, 2021
1 Answer
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A: The manufacture warrants this battery charger for two (2) years from the date of purchase. if you buy the 2-year warranty it begins after the manufactures warranty of 2 years ends, for a total of 4 years
by|Dec 15, 2021
Q:Can this charger be used to equalize a battery
by|Aug 3, 2021
3 Answers
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A: It was beat up. The handle was bent and the bottom of the charger was dented. It looked like it had been drop before packaged and delivered…
by|May 7, 2022
1 found this answer helpful
A: Who knows. I wasn’t satisfied with the on the one that was delivered to me.
by|Nov 2, 2021
A: Thank you for your question. Yes, this charger can equalize a battery.
by|Aug 4, 2021
Q:Is the DSR121 a 6 and 12V charger? The Schumacher brochure lists it as 12V only
Will it charge all different types of batteries, incl. Li-ion?
by|Mar 4, 2020
1 Answer
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A: Use charger for charging only LEAD ACID (STD, AGM or GEL) rechargeable 12V batteries. Not recommended for lithium-ion batteries.
by|Mar 4, 2020
Q:does it need to plug it to electricity to charge
by|Mar 9, 2019
2 Answers
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A: This unit must be plugged into an AC source in order to use it. This unit does not need to be recharged and it will not hold the charge.
by|Mar 11, 2019
A: No, you can vigorously rub the plug against your pubes to charge it with static electricity