I tested it on a 12volt 18ah SLA battery and two separate 12volt 100ah AGM batteries and it brought back an old automotive 12volt size 35 battery. Verified purchase: Yes Condition: New Sold by: 3c-shop2012įor the price I expected junk, but it worked really well. I have used it on several different batteries, none over a year old, with the same result. So far it doesn't do this and I am thinking about returning it. I originally wanted to keep it connected thinking it would shut off automatically when battery is fully charged. I have to disconnect it before it causes damage. Instead the batteries continue to overcharge causing warm temperatures of battery housing. Unfortunately I have yet to see it do this. Automatically switching to float charge was what sold me on it. The charger boasts some impressive features. Verified purchase: Yes Condition: New Sold by: feijoa183 This one battery it fixed has paid for the charger! WOW! i checked the charger every now and then, it finally turned off after 24 hrs and when i checked the voltage it was 12.8v! it not only automatically repaired the battery but it also charged it up too! all i did was hook it up, plugged it into the wall outlet and pressed the mode button to select repair and let the charger do the rest. i can say the repair mode on this charger worked better and easier than expected. This one battery it fixed has paid for the charger! WOW! this revived a dead scooter battery that had only 2v in it and been sitting for over a year on a project scooter i bought. When the repair process is completed, you shall select the appropriate charging mode for your battery manually.This revived a dead scooter battery that had only 2v in it and been sitting for over a year on a project scooter i bought. In general, the more severe the damage to the battery, the more difficult-if not impossible-it will be to repair.Ģ) The repair time is usually 4 hours. How can I know if my battery needs to be repaired with the 12V Super Repair Mode?ġ) The effectiveness of the repair will depend greatly on the degree of damage to the battery. If you are not sure whether your battery needs to be repaired in the 12V Super Repair mode, please check this article. The 12V Super Repair Mode is specially designed for the old sulfated, idle type of lead-acid batteries with a voltage higher than 2V, which may discharge quicker than new batteries of the same type under the same conditions.ġ) Connect the clamps/eyelets to the charger and to your battery.Ģ) Plug the charger into an electrical outlet.ģ) Press and hold Menu button for 2 seconds to enter the "12V Repair" mode.Ĥ) Press the Confirm button to start the charging process. All HULKMAN Sigma battery charges feature the most-advanced pulse repair technology to improve the performance and maximizes the lifespan of your battery.
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