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HUIZHOU EPEVER TECHNOLOGY CO., LTD.

Battery Voltage Control Parameters

Below parameters are measured in the 12V system at 25 ºC; please double

the values in the 24V system

Battery Type

Over Voltage Disconnect Voltage

Charging Limit Voltage

Over Voltage Reconnect Voltage

Equalize Charging Voltage

Boost Charging Voltage

Float Charging Voltage

Boost Reconnect Charging Voltage

Low Voltage Reconnect Voltage

Under Voltage Warning Reconnect

Voltage

Under Voltage Warning Voltage

Low Voltage Disconnect Voltage

Discharging Limit Voltage

Equalize Duration

Boost Duration

7. Protection

 Battery Over Voltage Protection

When the battery voltage reaches the Over Voltage Disconnect

Voltage(OVD), the controller stops charging the battery to protect the

battery from being overcharged.

 Battery Over Discharge Protection

When the battery voltage reaches the Low Voltage Disconnect

Voltage(LVD), the controller stops discharging the battery to protect the

battery from being over-discharged.

 Overload Protection

The load is switched off after a delay when the load current exceeds 1.25

times the rated current. The user must reduce the load appliance, press the

button, or restart the controller.

 Load Short Circuit Protection

The load is switched off when the load short circuit (≥3 times the rated

current) happens. The user must clear the short circuit faults, press the

button, or restart the controller.

 High Voltage Transients Protection

The controller is protected against small high voltage transients. In

9. Technical Specifications

Item

LS0512E

Nominal system

voltage

Rated charge current

Rated discharge

current

Battery input voltage

range

Max. PV open circuit

voltage

Self-consumption

Charge Circuit

Voltage Drop

Discharge Circuit

Voltage Drop

USB input interface

Temperature

compensation

coefficient

Environment

temperature

Humidity

Enclosure

Grounding

92.8x65

Dimension(L x W x H)

x20.2mm

Mounting size

84.4mm

Mounting hole size

Terminals

14AWG/2.5mm

Net weight

0.07kg

Sealed

Gel

16.0V

15.0V

——

14.6V

14.4V

14.2V

13.8V

13.2V

12.6V

12.2V

12.0V

11.1V

10.6V

——

120 min.

LS1012E

LS1024E

12VDC

12/24VDC Auto

10A

8V～16V

8V～32V

30V

≤0.21V

≤0.12V

—

IP30

101.2x67

x21.8mm

92.7mm

12 AWG/4mm

12AWG/4mm

0.08kg

Tel: +86-752-3889706

lightning-prone areas, an external lightning arrester is recommended.

8. Troubleshooting

Flooded

Faults

16.0V

The charging LED

15.0V

turns off during the

15.0V

daytime when

14.8V

sunshine falls on PV

14.6V

modules properly.

13.8V

No LED indicator

13.2V

12.6V

Charging LED fast

12.2V

flashes.

12.0V

11.1V

LED1 fast flashes.

10.6V

120 min.

Load LED flashes

slowly.

Load LED fast

flashes.

When the load current exceeds 1.25 times, 1.5 times, and 2 times the rated

value, the controller can automatically turn off loads after 60s, 5s, and 1s,

respectively.

10. Disclaimer

This warranty does not apply under the following conditions:

 Damage from improper use or use in an unsuitable environment.

 PV or load current, voltage, or power exceeds the controller's rated value.

 User disassembly or attempted to repair the controller without permission.

 The controller is damaged due to natural elements such as lighting.

 The controller is damaged during transportation and shipment.

LS2024E

LS0512EU

12VDC

20A

8V～16V

50V

12V≤5mA; 24V≤7mA

-5mV/℃/2V

-35℃ ～ +50℃

≤95%,(N.C.)

Common Positive

128x85.6

109.7x65.5

x34.8mm

x20.8mm

118mm

100.9mm

Φ4.5

10AWG/6mm

14AWG/2.5mm

0.15kg

0.09kg

Possible

reasons

PV array

disconnection

Battery voltage

may be less than

Battery over

voltage

Battery

over-discharged



Overload

Load short circuit

LS1012EU

LS1024EU

10A

30V

≤0.13V

≤0.17V

5VDC/1.2A

IP20

120.3x67

x21.8mm

111.5mm

12AWG/4mm

0.10kg

Any changes without prior notice! Version number: V4.2

Website: www.epever.com

Troubleshooting

Confirm that PV and battery

wire connections are correct

and tight.

Measure battery voltage with

the multi-meter. Min.8V can

start up the controller.

Check if the battery voltage is

higher than the OVD, and

disconnect the PV.

The load will recover when the

battery voltage is restored to or

above the LVR (low voltage

reconnect voltage).

① Please reduce the number

of electric equipment.

② Press the button or restart

the controller.

① Check carefully loads

connection, clear the fault.

② Press the button or restart

the controller.

LS2024EU

LS3024EU

12/24VDC Auto

20A

30A

20A

30A

8V～32V

50V

5VDC/2A

148x85.6

148x106.8

x34.8mm

X43.7mm

138mm

10AWG/6mm

8AWG/10mm

0.18kg

0.29kg