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USER’S GUIDE
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AND THE LUG, AS THIS WILL CREATE HIGH RESISTANCE AND CAUSE EXCESSIVE HEATING OF THE CONNECTION,
WHICH CAN RESULT IN FIRE. If assistance is needed in determining the appropriate hardware configuration, contact
Trojan Battery technical support.
4.4 CABLE SIZE
Battery cables should be sized to handle the expected load and be of sufficient length and flexibility to avoid applying
undesirable mechanical loads on the battery terminals. Refer to Table 1 for the maximum amperage based on the cable/
wire gauge size.
WARNING! SHOCK HAZARD DO NOT TOUCH UNINSULATED BATTERY, CABLES, OR TERMINALS.
ALL TOOLS SHOULD BE ADEQUATELY INSULATED TO AVOID THE POSSIBILITY OF SHORTING
CONNECTIONS. DO NOT LAY TOOLS ON THE TOP OF THE BATTERY.
TABLE 1
Table values are from NEC Table 310.15(B)16 for copper cables
rated at 167°F (75°C), operating at an ambient temperature of no
more than 86°F (30°C). Lengths in excess of 6 feet (1829mm)
may require heavier gauge wire to avoid unacceptable voltage
drop. In parallel battery banks, it is preferable for all cables to be
the same length.
For more information refer to the National Electrical Code for
correct cable/wire size, which can be located at www.nfpa.org
CABLE/WIRE GAUGE SIZE, AWG mm2 AMPACITY (Amps)
14 (2.08) 20
12 (3.31) 25
10 (5.26) 35
8 (8.36) 50
6 (13.3) 65
4 (21.1) 85
2 (33.6) 115
1 (42.4) 130
1/0 (53.5) 150
2/0 (67.4) 175
4.5 VENTILATION
Trojan
®
Lithium-Ion batteries do not release gas during normal use. There are no specific ventilation requirements for
Trojan Lithium-Ion Battery installations, although sufficient airflow should be provided to prevent excessive heat build-up.
4.6 BATTERY ENVIRONMENT
Battery should be stored and installed in a clean, cool and dry place, keeping water, oil and dirt away from the battery.
If any of these materials are allowed to accumulate on the battery, tracking and current leakage can occur, resulting in
self-discharge and possible short-circuits. Battery chargers should also be installed in well-ventilated, clean areas that
are easily accessible. Relative humidity should be <90% and non-condensing.
4.7 TEMPERATURE
The operating temperature range for discharging the Trojan OnePack Lithium-Ion battery is -4°F to 140°F (-20°C to
60°C). Charging the battery below 32°F (0°C) is prohibited, and charging currents must be reduced below 68°F (20°C)
and above 113°F (45°C) . Attempting to charge the battery at temperatures below 32ºF (0ºC) will cause the battery to
disconnect from the charger and enter an under-temperature alarm, charging will be disabled while the alarm is active.
Refer to Section 10.1: “Charging” for charging current limitations.
Note that battery life diminishes as temperature increases. Useable capacity diminishes as battery temperature decreases.
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