Environmental Specifications
975-0402-01-01 A–5
This guide for use by qualified installers only
Environmental Specifications
Absorption voltage:
±0.1 V for 12 Vdc units
±0.2 V for 24 Vdc units
12 Vdc units 24 Vdc units
25°C (77°F) 25°C (77°F)
Flooded 14.4 28.8
GEL 14.2 28.4
AGM 14.3 28.6
Lead-calcium 15.5 31.0
Float voltage:
±0.1 V for 12 Vdc units
±0.2 V for 24 Vdc units
12 Vdc units 24 Vdc units
25°C (77°F) 25°C (77°F)
Flooded 13.5 27.0
GEL 13.8 27.6
AGM 13.4 26.8
Lead-calcium 13.5 27.0
Equalize mode current 50% rated output ±6%
Equalize mode—maximum
output voltage
12 V units: 16 ±0.1 Vdc
24 V units: 32 ±0.2 Vdc
Off-state current draw
(without remote installed)
12 V units: <35 mA dc
24 V units: <20 mA dc
Voltage regulation Uncompensated load voltage regulation
< 0.1Vdc drop from 0 Amps to rated current
output at charger output terminals (adds in
series with recommended 3% limit for user's
battery cable voltage drop).
Operating range
(full performance) 0 – 50 °C (32 – 122 °F)
Current de-rating (above 50 °C
ambient temperature)
up to 80% derating Imax
50 – 65 °C (122 – 149 °F)
Storage –40 to 80 °C (–40 to 176 °F)
Humidity 5 – 95%, RH non-condensing
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