Tempest TR40-12

Nominal Voltage 12 V Rated Capacity (20 hour rate) 40AH Dimension Total Height (with terminals) 6.85 in Height 6.85 in Length 7.80 in Width 6.54 in Weight (Approx) 33.07 lbs

Capacity (77oF/25oC) 20 hour rate (2A) 40AH 10 hour rate (3.72A) 37.2AH 5 hour rate (6.8A) 34AH 1 hour rate (24A) 24AH 15 min. rate (70A) 17.5AH Internal Resistance Fully Charged 77oF/25oC 17.5mW Capacity Affected by Temperature (77oF/25oC) 104°F (40°C) 102% 77°F (25°C) 100% 32°F (0°C) 85% 5°F (-15°C) 65% Self Discharge (77oF/25oC) Capacity after 3 month storage 91% Capacity after 6 month storage 82% Capacity after 12 month storage 64% Max. Discharge Current (77oF/25oC) 600A (5S) Terminal Standard F6 Optional   Charging (Constant Voltage) Cycle Initial Charging Current 8A (recommended) 14.5~14.9V/ 77°F (25°C) Float 13.6~13.8V/77°F (25°C)

Cut-Off Voltage 30 min 1 hr 3 hr 8 hr 10 hr 24 hr 1.60V 93.8 56.7 23.0 9.86 7.03 3.60 1.65V 93.4 56.0 22.7 9.86 7.03 3.60 1.70V 89.9 54.7 22.2 9.86 7.03 3.60 1.75V 87.9 53.7 22.0 9.73 7.03 3.60 1.80V 86.0 52.8 21.7 9.60 6.98 3.60

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