Contax SW 2524 - REV A Guía de instalación descargar pdf (Pagina 52)

Installation

1–34 975-0637-01-01 Rev B

This guide for use by qualified personnel only

Battery Information

Battery Bank Sizing

Battery capacity Battery size or capacity is just as important as the battery

type selected for use with the Conext SW. The batteries are the most important

part of your system, so it is recommended that you purchase as much battery

capacity as possible. A large battery will extend running time and ensure that

your inverter/charger delivers full rated surge.

It is recommended to have a minimum battery size of 100 amp-hours (Ah) for

moderate loads (<1000W) and greater than 200 Ah for heavy loads.

See “Estimating Battery Requirements” for information on a more detailed

calculation.

About Amp-hours A number of different standards are used to rate battery

energy storage capacity. Automotive starting batteries are normally rated in

cranking amps. This is not a relevant rating for continuous loads like an inverter.

Deep-cycle batteries use a more suitable rating system such as amp-hours (Ah).

Amp-hour capacity is the number of amps a battery can continuously deliver

during a specified number of hours. It is represented by the product of the two —

amps multiplied by hours.

A battery rated for 100 Ah can deliver 5 amps for 20 hours (5 amps × 20 hours = 100 Ah).

This same battery can deliver a higher or lower current for less or more time, limited

approximately by the 100 Ah figure (50 amps for 2 hours or 200 amps for 1/2 hour), but

usually the capacity figure given is only accurate for the specified duration (20 hours).

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Contax SW 2524 - REV A Guía de instalación Pagina 52