Longwei Electric LW Series Quick Start Manual

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Thank you for purchasing use hard switching power supply series
products. In order to make you better use this product, please read the
Instructions carefully before use, and properly kept.
一、Summarize
LW series power supply for high efficiency switching power supply, it
has the load capability is strong, continuous working failure rate is low,
and had a warm, overload, current limiting and various protective
functions. Can be regulated power supply using also can be used for
current, voltage regulator, steady flow can be automatic conversion. Is a
research, colleges and universities, the factory products such as the
preferred power. Specific model parameters are shown in table 1.
LW Series switching power supply
Model
Output Voltage
LW-K1510D
LW-K303D
LW-K305D
LW-K3010D
LW-K602D
LW-K603D
LW-K605D
LW-K1002D
0-100V
LW-K1003D
0-100V
LW-K1502D
0-150V
Output Current
0-15V
0-10A
0-30V
0-30V
0-5A
0-30V
0-10A
0-60V
0-2A
0-60V
0-3A
0-30V
0-5A
0-2A
0-3A
0-2A
LED Digit Display
0-3A
LED Digit Display
LED Digit Display
LED Digit Display
LED Digit Display
LED Digit Display
LED Digit Display
LED Digit Display
LED Digit Display
LED Digit Display
1
Display
Display Accuracy
±1%±1
±1%±1
±1%±1
±1%±1
±1%±1
±1%±1
±1%±1
±1%±1
±1%±1
±1%±1

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Questions and answers

Jim Schwalbe
April 16, 2025

what settings do I use to charge a 100ah 12 volt lithium battery

1 comments:
Mr. Anderson
May 9, 2025

To charge a 100Ah 12V lithium battery using a Longwei Electric LW Series power supply:

1. Set Output Voltage: Adjust the voltage regulator knob to 14.6V (typical full charge voltage for a 12V lithium battery).
2. Set Current Limit: Set the current (steady flow knob) to a safe charging current, typically 10A or less (0.1C), depending on the battery’s specifications.
3. Polarity: Connect the positive output to the battery's positive terminal and the negative output to the negative terminal.
4. Monitor Charging: Ensure the power supply operates in constant current (CC) mode first, then switches to constant voltage (CV) as the battery charges.
5. Environment: Keep at least 10 cm space around the unit, temperature below 40 °C, humidity under 80%, and avoid dust, acid gas, sunlight, rain, and vibration.

Select a power supply model capable of outputting at least 14.6V and 10A, such as LW-K3010D.

This answer is automatically generated

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Summary of Contents for Longwei Electric LW Series

  • Page 1 一、Summarize LW series power supply for high efficiency switching power supply, it has the load capability is strong, continuous working failure rate is low, and had a warm, overload, current limiting and various protective functions.
  • Page 2 二、Panel features and specification 2-1Panel features (1)Voltage display (2)Current display (3)Voltage indicator (4)Voltage settings (5)Current indicator (6)Current setting (7)Power switch (8)The positive output (9)Earth output (10)Negative output Nominal working conditions 1.input voltage: AC220V±10% 50Hz (AC110V, 60HZcan be customized) 2.work environment: temperature: -10℃-40℃ relative humidity: <80% 3.Storage Conditions:...
  • Page 3 Model Voltage stability current stability Load regulation Ripple And Noise LW Series ≤0.2% ≤0.8% ≤0.2% ≤0.1% 三、Instructions 3-1 Preparation prior to power: (1)Confirm that the input voltage in the range of nominal (AC198-242 v, 50 hz). AC110V 60 hz input there will be a special label to facilitate heat dissipation。...
  • Page 4 8, 10, the cathode adjustment needed for steady flow setting knob 6 to current value, and then the demolition of short circuit conductor. Adjust the voltage to the desired voltage value, connects the load to the output very eight straight, the negative 10 (pay attention to the positive and negative polarity correctly), can be normal use, steady flow indicator lights up 5 at this time.

This manual is also suitable for:

Lw-k1510dLw-k303dLw-k305dLw-k3010dLw-k602dLw-k603d ... Show all

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