On the other hand, the only reason for an 8v battery is because the rest of the system has deteriorated and has not been properly repaired or restored. For those trickle charger units that are just a transformer you plug into the wall and connect two leads to the battery… All Boost models (except the GB500 Boost Max) can jump start 12V lead acid batteries only. Some folks think they need to use a timer. I don't trust any charger enough to leave it plugged in for the whole winter. I take my battery in the house in winter. Overcharging an AGM battery can lead to reduced battery life. (But if there are documented cases of a quality battery tender blowing up a battery, I'd be interested in seeing it). As far as leaving it plugged in 365 days I wouldn't. All batteries have a natural rate of self-discharge. Ruined the boat, but luckily he smelled smoke and put it out before it burned down his house. But if you start out fully charged, you will only discharge to a 70% or in worst case, 50% state of charge during a normal winter’s rest. There are differing opinions of how long a trickle charger can be left on a battery and for that reason, different types have been manufactured. Choose an item or category to find the specific products you need. My concern is leaving the car with no battery at all for hours would cause loss of settings/memory or some other detrimental effects. I've tried to see things from the liberal point of view ... but I'm just not flexible enough to get my head up my ass. However, if the battery is losing its charge faster than the tender can keep it up – due to battery failure or something overly draining it, this will not help. Disconnect the ground to the battery as a power surge can and will wreck things electrically. Shipping Policy Get a CTEK smart charger. We leave the mains connected permanently BUT the battery charger is on a 7 day timer. I have 3 or 4 battery tender Jrs that I hook up and leave all winter. Toronto, ON M9L 0A3 For example, you can go for a ride, return to the garage, attach the battery tender for a few days, then return two-three days later for another ride. You’re right, Caddyman, 1.5 watts is close to 0. Hi, Ann. You can use this battery maintainer with a wide variety of vehicles and all of your powersport vehicles. I've used a battery minder Jr on my zero turn mower now for 8 years. The display shows that it is fully charged (solid green). sales@royalbatterysales.com. It slowly adds the charge to the battery and does not allow for the normal depletion of charge that batteries commonly have. It is a 12V, 1.25 amp battery charger. Just winterized the waverunner and had a question about the battery. Nothing scientific but It's a system that's been working for me. They know when to charge, and when to just watch. On the ‘battery tender’ web site they list solar chargers starting at 5 watts up to 15 watts. With a battery and a charger connected together, it’s a much better idea to be proactive and anticipate problems, however unlikely they may be. Charge the battery fully and remove charger. Even if you start your motor or engine every once in a while, it still doesn't make up for the time left to drain and sulfate. Does that make sense? No matter how good a product is, anything can break. no issues, [Last Edit: 11/25/2017 9:15:50 AM EST by Willz], [Last Edit: 11/25/2017 12:26:54 PM EST by Him], [Last Edit: 11/25/2017 6:47:37 PM EST by ryandushku], [Last Edit: 11/25/2017 7:27:32 PM EST by Flatulence], [Last Edit: 11/25/2017 8:37:21 PM EST by ar-jedi], [Last Edit: 11/28/2017 4:23:08 PM EST by RayFromJersey]. This is because the amount of power a lead-acid battery loses over time depends on how, where, and the temperature at which it’s stored. Leaving a battery in the charger will not overcharge or damage it. However, as stated above, it’s important not to use an old charger specially formulated only to suit the needs of wet cell batteries if you have a VRLA battery. During the winter it stays on the battery all the time since I don't use the lawn tractor. Click here to get all the product details. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. • Leaving the battery on charge You can leave a battery/radio in the charger once charging is complete. →, APC RBC UPS Replacement Battery Cartridges, ProMariner Water Proof On-Board Marine Chargers, NOCO Genius Wicked Smart On-Board Chargers, Phantom Lithium-Iron Phosphate (LiFePO4) Power Sports Batteries, Remote Control Toy Batteries and Chargers, TowMate Battery® / Wide Load Bar Batteries, Exide® Edge™ Marine/ RV Dual Purpose AGM Batteries, Exide® Edge™ Automotive/SUV/Truck AGM Batteries. This includes wet, gel, maintenance free, enhanced flooded battery, and absorbent glass mat batteries. But you can always use the battery regulator in order to stop, at the time … Uncategorized. You might be surprised with how little it discharged. You want to make sure that you check the charger to make sure it is working properly every … In more than 99.9% of cases, nothing will go wrong. Considering some additional parasitic loads like radio memories and such, you can maybe add another 1 or 2%. It's no surprise, extreme heat and cold can have a negative effect on … They have microchip technology that can determine when the battery is fully charged and will cut the charge rate to a "float" charge, below ½ of 1 amp. RMA & Request for Return, 1 High Meadow Place, Unit 23 In the motorcycle world, Battery Tender has established a good reputation with its broad selection of smart chargers to suit a variety of needs. 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