What size regular batteries would I use as a back up ?
1032564
There is no regular size battery. It is a special one but I just unscrew it and Plug it in every evening and I never run out of battery. I have had it for almost a year
1724103
yes you can get bigger batteries... mine, burned out the p-c-b board, it only lasted about a munth. good luck...
40293
I bought them for a big flashlight I got on amazon .the battery size should be listed if you want to get a flashlight thire are several kinds take that size
58323
Any size 12 Volt battery. If weight is a problem, use a motorcycle or small engine 12 volt.
208217
It would really be a matter of judging which of your current batteries would best cover the area that is left. I would probably go for just the 4Ah though.
1527856
I use two AA size Lithium batteries. You can also use AA size rechargeables.
2185011
Sorry but that is a question to ask the manufacturer. I looked at my battery backup unit and typed that into Amazon and bought it.
727999
depends on the way the battery back that usually ships with most extended batteries is made. Some are thinner and some are thicker. Your best bet is to ask the seller or manufacturer.
1924861
A 25C battery will work, but you will not get long flying time. To get get more flying time you may want to upgrade to a 30C or 35C.
1277492
they r the size of a regular aa battery. I have several of them and have had no problems with them fitting.
1486168
The batteries are very good. I do not know what size you need but these are about half of the size short of a AAA and a little thicker.
997645
You shouldnt need measurments. Match the model or serial number to your old battery be sure voltage is the same
592860
I don't use it on a boat (I use it for my solar panel) and I don't have a box to inclose the battery, so I don't know what is the best size for this battery.
373292
I do not remember exact dimensions.But I do know that this is a standard size battery for a 18 to 22 AH 12 volt battery.So if you are replacing a similar battery with these specifications,The size should be the same.The main thing you MUST make sure of is that the terminals are the same kind and in the same place(positive and negative).Otherwise you are in for some wire crimping or soldering.
421679
Either the 1.5 amp hr. batteries which are standard or the 3.0 amp hr. batteries will fit. The 1.5 is cheaper of course and the batteries charge so fast that is all you need. I bought 2 of the 1.5 amp hr. batteries a 1 or 2 years back on Amazon for about $100.00 (one of my originals failed).
1148717
Purchase standard rechargeable batteries (AA or AAA type as needed) with a wall charger
2136632
Best as I can tell these are the dimensions of this battery. I have two of them.