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Battery Size
975-0263-01-01
B–3
Battery Reserve
Capacity
Battery reserve capacity is a measure of how long a battery can deliver a
certain amount of current—usually 25 amps. For example, a battery with
a reserve capacity of 180 minutes can deliver 25 amps for 180 minutes
before it is completely discharged.
Amp-hour (Ah)
Capacity
Amp-hour capacity is a measure of how many amps a battery can deliver
for a specified length of time—usually 20 hours. For example, a typical
marine or RV battery rated for 100 Ah can deliver 5 amps for 20 hours
(5 A × 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 (for example, 50 A for 2
hours, or 200 A for 1/2 hour), but usually the capacity figure given is only
accurate at the specified rate (20 hours).
To calculate the battery capacity you require, read “Estimating Battery
Requirements” on page B–4 and “Battery Sizing Example” on page B–4,
and then complete the “Battery Sizing Worksheet” on page B–5.
Summary of Contents for Xantrex PRO XM 1000
Page 2: ...Xantrex PRO Inverter Owner s Guide ...
Page 13: ...xii ...
Page 19: ...2 4 ...
Page 51: ...4 8 ...
Page 57: ...5 6 ...
Page 61: ...Specifications A 4 975 0263 01 01 Figure A 2 XM 1000 Mounting Dimensions ...
Page 73: ...C 4 ...