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Expert Answers about Battery


  • Will a Battery Tender Work To Maintain a 5 Amp Hour Battery and a RV Battery?
  • To determine if you will be able to use your battery tender on both a 5AH Breakaway Battery # 3801250 and your RV battery you will need to find the Amp Hour rating for your RV battery and see what your tender is rated for. We have the OptiMate 2 Smart Battery Charger # MA22WR which is rated for 12 volt batteries 3AH to 96AH. For larger batteries the Optimate 6 # MA64JR is rated for 12 volt batteries 3AH to 240AH.
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  • Can the NOCO GENPRO On-Board Battery Charger Charge The Batteries While They Are Powering Devices?
  • Yes, you can have the NOCO GENPRO On-Board Battery Charger # NOC84FR connected and charging a battery while the battery is being used. The charger will continuously monitor the state of the battery and charge when needed. If fully charged it will maintain the battery. As this charger has 4 separate banks for charging different batteries you should be sure not to connect to any batteries that are wired together in series or parallel. As when the batteries are connected the charger it could...
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  • How Many Batteries Can the NOCO Commercial Grade Battery Box for Group 4D Batteries Hold
  • The Commercial Grade Battery Box for Group 4D Batteries # 329-HM408 is designed specifically for one group 4D battery so it's sized to not allow the battery to move around within the box. Because of this there isn't a strap or mounting to hold a battery in place. Depending on the battery size you're choosing there might be a battery box designed to fit multiple that would have a way to prevent movement between the batteries. If you could provide me with more details of the battery you're...
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  • How to Charge Eight 6-Volt Batteries in Series/Parallel
  • I do have an option for you to charge eight 6-volt batteries but the batteries will need to be split into two banks with four batteries in each bank. In order to charge all eight batteries with four banks you would need an AC to DC battery charger rated for at least 832 amp hours (AH). Unfortunately we do not have a battery charger rated for that high of a capacity but if you decide to split the batteries into two banks with four batteries then you could use the CTEK MULTI US 25000 High-Capacity...
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  • Can Two Batteries Wired In Parallel Receive a Charge at the Same Time
  • You can use a battery charger such as the NOCO Genius Battery Charger and Maintainer # 329-GENIUS5 to charge a set of batteries that are wired in parallel however, the first battery will charge first. Once the first battery is charged it will then provide a charge to the second battery. I will say that charging the two batteries separately will be the fastest way to charge them.
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  • Battery Charger Option for a 2002 Corvette C5 Red Top Optima Battery and Deep Cycle Trailer Battery
  • After doing some research on the red top Optima Batteries for your 2002 C5 Corvette, the CTEK 0.8 Universal Battery Charger for Small 12 Volt Batteries # CTEK56865 will maintain a charge on your vehicle battery. This charger should also be able to maintain the charge on your deep cycle trailer battery as long as it has a capacity less than 100 amp hours. This charger can maintain batteries with capacities up to 100 amp hours, but will only charge batteries with capacities from 1.2 to 32...
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  • How To Prevent Tow Vehicle Battery From Draining Trailer Battery
  • As you mentioned, this is normally the accessory battery draining the starting battery (tow vehicle) and most of our products like the Battery Isolation Solenoid, Item # PK5231201, are focused on preventing this situation. It is possible to set this up in reverse but we do not have much experience with it or customer feedback about it. The best solution for preventing your tow vehicle from draining your trailer battery is to have the same type of batteries. In a multi-battery situation,...
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  • How Many and What Size Batterie Do You Need For a 2,000 Watt Inverter
  • When using a 2,000 watt inverter like the Go Power Industrial Pure Sine Wave Inverter # 34278156 you are correct that you would want to use 2 batteries. You would want that additional battery to be a full size battery for correct performance. Not a smaller battery like a motorcycle or jet ski battery. Also, since you mentioned already having one battery. You will want to get a second battery that has the same amp hour rating a battery chemistry. If you use a battery with a different amp...
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  • Battery Heater For Travel Trailer Battery in the Winter
  • It depends on the battery size of your Jayco Jay Feather; most trailer batteries are Group 24 or 27 batteries, and assuming that is the case with your Jayco battery the best option is from Kat's Heaters: - Kat's Heaters Thermal Battery Wrap for Series 24, 24F, 27, 27F, 74 Batteries # KH22200 The # KH22200 will simply plug into a standard outlet and keep your battery warm so they stay maintained in the winter.
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  • Will CTEK Battery-Health Indicator Cable, # CTEK56380 Work with Dual Batteries
  • There are 2 ways that batteries can be connection: in parallel or in series. If the batteries are in parallel they will have 12 volts output. If they are in series then they put out the combined voltage (two 12 volt batteries would put out 24 volts). Provided that the batteries are connected in parallel and have an output of 12 volts then you can use the CTEK Battery-Health Indicator Cable, # CTEK56380. If the batteries are in a series then you would need one for each battery. When charging...
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  • Redarc Smart Start Battery Isolator B2B Charging with a PD4060K Mighty Mini panel
  • I would be happy to answer your questions. First off charging between the house and chassis batteries does not go through the power center you are correct. To answer your second question I reached out to Progressive Dynamics over the weekend and just heard back. Based off of what they told me I recommend the Redarc Smart Start Battery Isolator - Dual Sensing - 12 Volt - 200 Amp item # 331-SBI212D. This dual-sensing battery isolator connects in-line with 2 batteries and transfers power in...
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  • How to Tell If Your Breakaway Switch Is Powered By Trailer Battery or Auxiliary Battery
  • If you already have a breakaway switch and trying to find its power source, It is possible that someone could have wired the breakaway switch directly to the main battery on the trailer but it does not come like that from the factory. The breakaway switch should be wired to a separate battery. Most Breakaway switches come with their own battery and some come with a battery charger. The breakaway box is essentially a plastic box with a battery in it that powers the breakaway switch. When...
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  • How to Connect Two Batteries to a 12V Battery Charger or Solar Charger
  • With two batteries on your RV, to charge the battery bank using an external charger like the 2.5-Watt Solar Battery Charger # PTW2997 you will connect the positive side of the charger to the first battery's positive terminal and the negative side of the charger to the second battery's negative terminal. It doesn't matter if the batteries are connected to each other in series of parallel for this to be the correct connection. With this charger you will either have two 12V batteries in...
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  • 2-1/2 Watt Solar Battery Charger Compatibility with 12v Battery
  • As long as the battery you have in storage can still hold a charge, you can use the 2.5-Watt Solar Battery Charger # PTW2997. A larger solar panel system could charge the battery faster, but it is not required to charge and maintain your battery power. This solar charger can be used for all types of 12v batteries like ones used for cars, boats, motorcycles, PWC and lawn tractors.
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  • Can I Connect the Redarc Battery Charger to My Breakaway Battery and Trailer Battery?
  • In order to use the Redarc In-Vehicle BCDC Battery Charger item # RED96FR with your two batteries you would need to connect the batteries. It would work but isn't allowed by law because the breakaway battery needs to be completely separate. You will need to wire in your breakaway battery from the power wire on your 7-way and splice it to power the Redarc Battery Charger item # RED96FR.
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  • Recommended DC To DC Battery Charger For 400AH Lithium Battery Bank
  • Since you have a 400ah lithium battery bank the best option is going to be the Redarc In-Vehicle BCDC Battery Charger # 331-BCDC1240D. This DC to DC charger works with 12V or 24V vehicle systems with standard or smart alternators and is compatible with the following battery types: AGM, gel, standard led acid, calcium, and Lithium ion (LiFePO4) batteries. It's compatible with standard alternators, like the one in your Sea Breeze, as well as smart alternators in newer vehicles. Your solar...
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  • Does TorkLift PowerArmor Solar Locking Battery Box Need Battery Cutoff Switch?
  • Since you are using a pair of 12 volt batteries you do not need a battery cutoff switch or power regulator to use the TorkLift PowerArmor Solar Locking Battery Box # TLA7708RS. You would only need a regulator such as # TLA7715 if you were using a single battery.
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  • Will The OptiMate Smart Battery Charger # MA99JR Maintain an RV Battery For 12 Volt Solar Batteries?
  • Yes, you can use the OptiMate Smart Battery Charger # MA99JR to maintain the battery on your seldom used RV. It will provide charging from your 12 volt solar batteries as long as the voltage is above 11 volts on the solar batteries.
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  • Can I Power Lights With Breakaway Battery
  • You can use a bigger battery with your breakaway to power the lights on your trailer without being plugged into the truck. We do recommend to have a separate battery for the breakaway switch and an auxiliary battery for the lights on your trailer because if the battery ever drains it is dangerous to not have your breakaway switch active. I recommend to give an auxiliary battery, wire the lights to a switch and then the battery. You can charge the battery with an AC to DC charger like NOCO...
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  • Recommended Battery for a 12,000 Lb. Electric Car Trailer Winch
  • For a 12,000 lb. electric car trailer winch like the Bulldog Winch Trailer Winch part # BDW10040, I recommend a standard 12 volt lead acid battery rated up to at least 650 cold cranking amps (CCA). As long as the battery is rated up to 650 CCA then you should have no problem powering the winch on your car trailer. A 650 CCA rating is more or less a standard for a 12,000 lb. electric car trailer winch. However, every electric winch should have a recommended battery rating. If you can tell...
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