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When connecting to the battery, please use the enclosed alligator clips. If you decide to modify the output
leads, ensure that the wire diameter is appropriately sized to allow the full output current.

Safety Information

If the EG4 Battery Charger appears to be damaged or abnormal, please immediately disconnect the charger
and contact Signature Solar.

This charger is not designed to be opened, disassembled, or repaired for any reason. Opening the battery
charger can be dangerous, resulting in electric shock, injury, or even death. Do not open the cover.

If there appears to be any damage to the wiring harness, please do not connect the charger or use the
charger. There are locations on the harness where damage may occur if dropped or smashed into. Please
visually inspect prior to use and if there is damage, replace the wiring harness or contact Signature Solar.

Indicator Light

Red  indicator flashes every second:

Battery Charge <80%

Yellow indicator flashes every second:

Battery Charge >80%

Green indicator flashes every second:

Battery Charge ~100%

Green indicator on:

Battery Charge 100% and not currently charging

*Note: It is not uncommon for LiFePo batteries to register directly from a red indicator to green due to the
charging graph for this type of battery. Do not be alarmed if you do not see the yellow flashing indicator.

** Even when the battery reaches 100%, the charger may still blink red for up to 30 minutes if cell
equalizing is needed.

Fault Indication

Red indicator flashes every three seconds: Battery Abnormal

Yellow indicator flashes every three seconds:Source Electric Anomaly

Green indicator flashes every three seconds: Charger Abnormal

Common Fault Solutions

Battery Abnormal

Output Short Circuit: Check wire output to verify there is no short circuit

No Battery/Reverse Polarity: Check battery connection is secure and correct

Battery Low Voltage: Ensure battery voltage is above minimum required for charger

Battery Overheat: Ensure proper ventilation and that you are within operating range

Source Electric Anomaly

Error Input Voltage: Verify input voltage is in the correct range for charger

Thin Input Wire Line: Ensure input wire line is of correct size

Charger Abnormal

Charger Overheat: Verify proper ventilation and allow charger to cool before continued use

Working Environment and Input Characteristics

Item

Technical Target

Working Temperature

-40

 to 60

Storage Temperature

-40

 to 90

Relative Humidity

5% to 95%

Heat Dissipation Method

Forced Cooling

Input Voltage

AC 90-264V 

 20%

Input Frequency

45Hz-65Hz

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