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  1. HULKMAN Help Center
  2. Sigma Battery Charger
  3. General Information

General Information

  • Which mode should I select for trickle charge or maintainer?
  • What's the difference between Sigma 1 / Sigma 5 / Sigma 10?
  • Can the battery charger jump start my vehicle when connected to a dead battery?
  • Can I use this product to charge my battery in extremely hot summer/cold winter?
  • Does the battery have to be fully charged before it can be powered off?
  • How can I know if my battery needs to be repaired with the 12V Super Repair Mode?
  • Is it safe to keep the battery charged for a long time?
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