Ok im trying to make a rechargable light for my boat.
I have a 12v/3w mr16 light which i beleive will consume 250ma.
this light will hopefully be on a sensor and be on and off for a few hours a day.
I my aim is to have a small solar panel at the top like on garden lights then i was going to get a 2.5ah battery but it was too bulky but now looking at the chinese AA batteries. These would be ideal as i can join them all together then slide into the pole the light will sit on.
My question is
the 12v sla battery is 2.2ah and the light on constant will last around 6hrs.
if i top > tail 10x AA batteries 1.2v / 3000ma would this then make it a 12v / 2v 3A battery and last longer with the light on?
also what would i need to hook a small solar panel upto this to keep the batteries charged in the day, the night light will only be used probably once every couple of weeks and be in the sun the rest.
thanks for any assistance.
cheers
I have a 12v/3w mr16 light which i beleive will consume 250ma.
this light will hopefully be on a sensor and be on and off for a few hours a day.
I my aim is to have a small solar panel at the top like on garden lights then i was going to get a 2.5ah battery but it was too bulky but now looking at the chinese AA batteries. These would be ideal as i can join them all together then slide into the pole the light will sit on.
My question is
the 12v sla battery is 2.2ah and the light on constant will last around 6hrs.
if i top > tail 10x AA batteries 1.2v / 3000ma would this then make it a 12v / 2v 3A battery and last longer with the light on?
also what would i need to hook a small solar panel upto this to keep the batteries charged in the day, the night light will only be used probably once every couple of weeks and be in the sun the rest.
thanks for any assistance.
cheers