Lithium Rv Battery

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FAQ

does anyone know where i can get a polaroid battery for my portable dvd player its a model no:BT45 BC7.4V rechargeable battery pack

complicated problem. search using yahoo or google. it may help!

I reconnected the charge pack correctly, and although it was nearly drained, it doesn't look like there was any damage done to the electrical system in the car.

You should not attempt it. It can cause damage to the car. It can also cause an explosion which can be deadly. If you have another battery pack try connecting that one for a safer result.

Hey Recently I got a mini dvd player and I the only things that came with it where: a power adapter for plugging into a wall, a rechargeable battery pack, and duh the dvd player.I was wondering how do you charge the battery pack?!!?!?!??!?!? My battery pack is rb-li 15 if it matters. How do you charge it? There is no way to charge it as far as I can see. I thought you would like take off the cord on the battery then put in the other plug in the ac adapter then charge it like that but noooooooo they have to make it impossible.Oh and I got no remote or manual. Do other remotes like universal work with the mintek dvd player?the mini dvd player number model or w/e is MDP-58605 TFT MONITOR PORTABLE DVDHELP

I also want to know.

I have a 12v monitor and a 12v spy camera could I hook them up to a 12v battery pack with a dc splitter, or would there be issues. But I also have a 8v spy camera, is there a easy way to hook it up to a 9v battery?

You need a 12 v pack with enough current to operate them both for some period of time. So you need to know how much current they use in a given hour. They should spec their power usage in watts. So you divide that by 12. That will give you their current draw for one hour. Then, if you want them to operate, say for 8 hours, you need a battery pack with an output of a little more than their total current drain over that time. Say they draw 1 watt each, so that is 16 watts over 8 hours. 16 w/12 v is 1.33 amp/hours. So, in this case, you would want a battery pack capable of at least 1.5 amp/hours. The 8 volt unit is much the same. You need to know it's current drain per hour and then you need a 9 v battery with a high enough amp/hour output to run it for how long it will be on. A simple small 9 v battery won't have enough power to even turn it on, much less, run it for any time at all. You would be better off to use the 12 v supply (if big enough) to run all 3 and just use a current limiting resistor in the 8 v line.

I have the controller for it but it didn't come with the battery pack. There is one listed on OKorder for $40 and I heard there is a non-official pack that will work. Any help would be great.

Have okorder

I recently purchased a NiMH battery pack with a Futaba J connector. I also bought a charger, but it does not have the right connector. The charger does however come with an adapter to alligator clips and a red and black wire. I looked on my batter and noticed that there was only a black and red wire actually in the Futaba connector. I was wondering if it would work to connect two pins to my alligator clips, and then connect them to the battery. It is for a school project so any help would be greatly appreciated. Thanks!

Sounds to me like you have two incompatible items. The Futaba battery pack needs a charger made for it. The Futaba battery if it is four cells, is 4.8 volts, 600mah, or 8 cells, 9.6 volts, 500 mah. You CANNOT charge either one of them with a 12 volt battery charger. You need a charger that comes with an R/C transmitter, designed to charge their batteries. Their charger comes with a female Futaba J connector which matches the battery connector. Please do NOT try to charge the battery with the WRONG charger.

i have the regular battery pack, i use (2) AA batteries . even after a brand new set it keeps turning off, please help me

ho do u do it because the same thing is happening to me

I own a 2 year old (i think 2[could be 1 1/2]) and the battery life should be 1 1/2 hours, but over time that has gone to 9 min without being plugged into the wall. Is the battery weakening, or the computer? Will a new battery pack solve this problem? Or will I have to have it plugged in 24/7?

A new battery pack will fix this. But after you get a new battery pack, DON'T keep it plugged in ALL the time. Let the battery drain to 0% and let it doe once every 3 days. If you don't do this, and charge maybe when its about 50%, then the computer will forget that it has the other 50% that you have not been using. So, just buy a new one, and let the laptop die once in a while.