It is strongly recommended that B-TEC and eLITE batteries are kept charged to avoid activating the battery's internal low voltage disconnect protection circuit. When the low voltage protection circuit inside the battery is activated the battery will cut voltage to its terminals and any connected loads will no longer be powered. Continuously tripping the battery's low voltage disconnect protection circuit may cause damage to sensitive equipment attached to the battery (e.g. chargers, solar controllers, inverters).
In the event that your B-TEC or eLITE battery goes flat and shuts down, there are four methods than can be used to perform a battery restart, depending on the type of battery and equipment you have available:
Method 1 - Using the Battery Reset Button (B-TEC G2 only)
1. Turn off all DC and AC loads.
2. Connect and switch on charging source/s (e.g. solar, DC2DC, or AC chargers).
3. Press and hold the "Flat Battery Reset" button on top of the battery for 10 seconds, then release.
4. Voltage should be restored to the terminals of the battery and any charging source should begin to charge the battery.
5. Open the Enerdrive Battery App on your Smart Phone to confirm the battery is charging.
6. When the battery's state of charge (SOC) is above 20%, DC loads can be switched.
Method 2 - Using System Mounted Battery Reset Button (Enerdrive eSYS Systems only)
1. Turn off all DC and AC loads.
2. Connect and switch on charging source/s (e.g. solar, DC2DC, or AC chargers).
3. Press and hold the green momentary reset switch found on the Enerdrive eSYS board for 10-20 seconds.
4. Release the green momentary reset switch when charging sources begin charging.
5. Open the Enerdrive Battery App on your Smart Phone to confirm the battery is charging.
6. When the battery's state of charge (SOC) is above 20%, DC loads can be switched back on.
Method 3 - Jump Start Battery with Portable Power Pack or Start Battery (B-TEC G2 & eLITE)
1. Turn off all DC and AC loads.
2. Connect and switch on charging source/s (e.g. solar, DC2DC, or AC chargers).
3. Connect a portable power pack or battery with a voltage ≥12.8V to the battery for 10-20 seconds. In installations that have a DC2DC charger connected to a vehicle start battery, this can be accomplished by connecting a jumper cable between the positive "Battery Input" terminal and the positive "Battery Output" terminal, located on the bottom of the DC2DC, while the vehicle is running.
4. Remove the power pack / jumper cable when charging sources begin charging.
5. Open the Enerdrive Battery App on your Smart Phone to confirm the battery is charging.
6. When the battery's state of charge (SOC) is above 20%, DC loads can be switched back on.
Method 4 - Charging with an ePOWER Charger in Power Supply Mode
The method for recharging a flat B-TEC using an ePOWER Charger in Power Supply Mode can be found here.
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