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What is the best battery for my enclosed trailer alarm/security system? AGM... deep cycle... etc. | A lithium battery like the Power Sonic RV Lithium Battery # PS34FR is going to be the best battery type for your alarm system. Lithium batteries...

I have lithium batteries on my camper that sits. Do they have a solar battery maintainer that is safe to use with lithium batteries that I can put on my camper while in storage so I do not have to remove and reinstall the battery to keep charged...

I have a 2015 Ford Transit with a WFCO and a house AGM start/deep cycle marine battery. I am looking to safely charge the AGM and also add a DC to DC charger. Currently I do not have solar but may add it next year. Now with Covid my van...

I have a cargo trailer and would like to find an interior LED light and exterior small solar panel package. So far what I have found has been extremely lacking in quality. | For the interior LED light, you can use essentially any style that...

I have a lithium battery installed. I have a 7 way plug on my 2022 Honda Pilot installed. I do not want to charge the battery from the towing battery.....but will it be safe to just plug in the 7 way plug and not have an issue? | Your trailer...

Can I connect my 2019 HD triglide to a aux lithuim lifepro 4 battery using a optimate dc/dc charger ? Item number ma99jr ,Thanks and Happy Holidays. | Yes, you can connect your Lithium LifePO4 auxiliary battery on your 2019 Harley Davidson...

Can AGM battery be left in trailer that has solar panel / inverter system to keep it charged? Or should it be removed and stored in the garage? Thank you | I typically recommend removing the battery from the trailer and storing it in the garage...

Can this be used for Lithium batteries and lead acid? | The OptiMate 2 Smart Battery Charger # MA22WR is only for lead acid 12 volt batteries. We do have the OptiMate 2 DUO Smart Battery Charger # MA27JR which allows you to charge both lead...

What problem it inverts fine but battery wont charge | If the Converter # PD4645V for your Parallax 7300 is converting power from 120 volt to 12 volt but your battery is not taking a charge you will either have a wire damaged/disconnected wire...

If I install two 12 volt batteries do they discharge and charge at the same rate? | Two 12 volt batteries wired in parallel will not necessarily charge at the same rate when using a battery charger such as the OptiMate 7 Select Smart Battery...

can I use this as a battery tender ? | The OptiMate Smart Battery Charger # MA99JR is designed to draw power from an existing 12V battery to charge/maintain another 12V battery. I suppose if you want to keep swapping out 12V batteries to keep...

I have a Interstate battery SMR-27IBS and would like to get a battery similar for my Keystone travel trailer. What battery would you recommend to replace the original. We do not Boondock. Confused about all the choices. Also needs to fit in...

Is the light supposed to stay on during charging or blink? I recently had this charger on my RV battery for 4 months and it did not maintain the charge. After ensuring the batteries are fully charged, I attached the solar charger and the...

I was considering add a trickle charger to my Chevy Express Van and saw your video with the battery pole extender. It looks like mine has that installed but the negative side does not. Do I need this to connect the negative or should I connect...

Can this charger stay connected to battery all the time? | Yes, you can leave the Optimate Solar Duo Charger part # MA49JR connected to a battery all the time and it would not damage it. It would just keep it topped off. |

Is this a good system to set on top of my RV during winter storage to keep my coach batteries maintained if not, what would be recommended? | As long as where you plan to store the RV has decent sunlight the OptiMate Solar Duo Solar Charging...

Hi, I’m looking for a solar system to keep my 2 - 12 volt batteries in my 5th wheel charged trickle charged. But it would need to be attached because it will be in out door storage. So if it’s not attached it might be stolen. Thanks | The OptiMate...

Can this charger be used to maintain a Optima yellow top battery | The OptiMate # MA27JR charger is compatible with lead acid and Lithium Ion batteries. It is compatible with AGM batteries like an Optima Yellow Top, and would do a great job...

charge overhead camper baqtterys | For charging and maintaining your battery in your overhead camper you will need to add a charge line circuit. Most slide in campers will tie into the vehicle either through a 4-way or 7-way into the truck bumper....

It says this is a DC to DC charger yet the Specs say it is 100-240 VAC input. Im confused? Im looking for something to charge my car hauler winch battery from my truck 7 pin trailer plug. The trailer also has a brakeaway battery system. Thanks...

Hello, Recently got a new RV and have been trouble figuring out the best way to go about plugs and maintaining the battery. My RV has a SmartPlug What would be you recommendation to keep the battery charge? Thanks! | The best way to charge...

Could you help me figure out what exactly are the short cables I need in order to connect my two 6 volt batteries in series? Thank you. | If the batteries are wired in series so that that output voltage is 12 volts then yes the CTEK part #...

Can this solar panel charge two batteries at the same time? I have a deep cycle battery for my winch and a battery in my race car. | The OptiMate Roof Mount Solar Charging System with Controller # MA46JR you were looking at can only be used...

I need to get a dc/dc charger for my toad. Present setup is a Flat four connector on toad so only lights work. would need a cable and a receptical on toad also. | Hey J, for your 2017 Jeep Cherokee I recommend checking out the OptiMate Smart...