6. Storage and Recommissioning
For long term storage (i.e., 6 months or more) simply disconnect all sources of charge and dis-
charging from the battery bank.
Although the batteries have a very low self-discharge rate (≤2%/month, ≤12%/year) they should be
charged a minimum of every six months. Connecting a trickle charger is not recommended, unless
the charger can be configured to stop charging at 14.2V or below. Most trickle chargers are not
smart enough to provide this charge voltage ability. Over-charging the battery triggers the over-
charge protection which shuts the battery down until the voltage goes down enough by itself. Once
that happens the trickle charger would quickly raise the voltage up too high once again. As a result,
the constant cycling of this circuitry will shorten the life of the entire battery.
Recommended Storage Temperature and Humidity:
• 15°C to 35°C, 45% to 75% Relative Humidity.
• They can be stored at 4°F to 113°F (-20°C to 45°C), 45% to 75% Relative Humidity for 1
month or less.
• They can be stored at 14°F to 95°F (-10°C to 35°C), 45% to 75 Relative Humidity for 3
months or less.
Re-commissioning your HLX+ batteries is the same as commissioning them. Charge each battery
up to 14.1 V. Once the battery reaches the 5C / 41F, then the battery will start charging.
If the ambient temperature is below 39°F (4°C), reduce the initial charge current to no greater than
30A for the 1200, 60 A for the 2400, and 90A for the 3600 until the batteries have had a chance to
warm up. If the temperature is below 32°F (0°C), instead of charging, the heater will activate and
warm the battery to an internal temperature of 5°C (41°F).
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