Re: Extending battery Capacity during long Power outages

[NickMark <nmarkowitz@xxxxxxxxx>]

On Monday, August 31, 2015 at 8:44:27 AM UTC-4, Medtech1 wrote:
> Does anyone know of potential issues extending battery capacity on a security alarm system by just added a cabinet, and running 4 x 8amp/hr batteries in parallel instead of the typical single 7amp/hr battery.
>
> The charge circuit on a security system would be limited to a maximum charge current, but all I can see for issues are:
>
> 1) Longer to charge after a discharge
> 2) batteries should be same age, amp/hr to reduce changes of overcharging
> 3) ??
>
> Some comments I've seen from people is they thought more batteries could overload the charging cct.. but, battery charges would have a maximum output amperage... (take alot longer to recharge) so I don't understand how that would occur..
>
> This must be a common thing to do in places where storms are common and they need the alarm system to have backup power (non-generator) for a day or two?
>
> Thanks!
> Michelle

the problem is with the charger which may not have enough power to keep batterys charged properly typical max most panels is 18 amp