Digital Battery Status and Level Indicator with Voltmeter and Percentage Display for Li-ion and LiFePO4 Batteries 12V, 24V, 36V, 48V, 60V, and 72V, Compatible with Electric Bikes, Scooters, and E-Scooters
Product Overview
The circular DC 7–100V digital indicator is a multifunctional voltmeter and battery capacity monitor, ideal for electric bikes, scooters, e-scooters, as well as automotive or industrial applications. The wide-angle color LCD screen allows clear reading of voltage and battery percentage.
Main Features
- Measurement range: DC 7–100V
- Display: Wide-angle color LCD, multiple modes (voltage / percentage)
- Current consumption: ~15 mA
- Battery compatibility: Li-ion, LiFePO4, Lead-acid
- Smart functions: Set number of cells, minimum and maximum voltage, low-voltage warning
- Memory: Retains settings after power off
Preset Modes and Battery Types
Battery Type
Preset Mode
Value Range
Li-ion
L03–L20
For 12V battery → L04, 24V → L07, 36V → L10, 48V → L13, 52V → L14, 60V → L16, 72V → L20
Lead-acid
P12–P84
Select voltage directly: 12V, 24V, 36V, 48V, 60V, 72V, 84V
LiFePO4
F03–F24
For 12V battery → F04, 24V → F08, 36V → F12, 48V → F15, 60V → F19, 72V → F22
Custom mode
Set minimum / maximum voltage
Full charge voltage and discharge voltage
Main Functions and Navigation
- On the main screen, short press switches between voltage display, battery percentage, and temperature.
- Double click toggles between normal display and low-power screen.
- Long press 2 seconds enters settings mode or returns to the main screen.
- Low-voltage function: battery symbol flashes if percentage drops below 10%.
- Memory: retains settings after power off.
Exact Settings
Parameter
Values
Instructions
Select Li-ion battery type (L)
L03 → L20
Long press 2s on main screen → select desired cell → confirm 2s → returns to main screen
Select LiFePO4 battery type (F)
F03 → F24
Long press 2s → select cell → confirm 2s → returns to main screen
Select Lead-acid battery type (P)
P12, 24, 36, 48, 60, 72, 84
Long press 2s → short press to choose voltage → confirm 2s → returns to main screen
Minimum voltage (Lo-V)
Manually settable
Long press 2s → select value → confirm 2s → continue settings
Maximum voltage (Hi-V)
Manually settable (fully charged voltage)
Long press 2s → select value → confirm 2s → returns to main screen
Battery percentage display
ON-% / OF-%
Long press 2s → choose ON-% to display or OF-% to hide → confirm 2s
Backlight
B-0 (permanent) → B-9 (timeout 10–90s)
Long press 2s → short press to select B-0 → B-9 → confirm 2s
Practical Tips
- Ensure the correct battery type is selected for accurate percentage reading.
- Use the backlight moderately to save energy.
- Periodically check Lo-V and Hi-V values to protect the battery.
Package Contents
- 1 × Circular DC 7–100V Digital Indicator
- 1 × Connection Cable
- Set of screws and gasket for mounting
Product Video
Photo Gallery
Product Overview
The circular DC 7–100V digital indicator is a multifunctional voltmeter and battery capacity monitor, ideal for electric bikes, scooters, e-scooters, as well as automotive or industrial applications. The wide-angle color LCD screen allows clear reading of voltage and battery percentage.
Main Features
- Measurement range: DC 7–100V
- Display: Wide-angle color LCD, multiple modes (voltage / percentage)
- Current consumption: ~15 mA
- Battery compatibility: Li-ion, LiFePO4, Lead-acid
- Smart functions: Set number of cells, minimum and maximum voltage, low-voltage warning
- Memory: Retains settings after power off
Preset Modes and Battery Types
| Battery Type | Preset Mode | Value Range |
|---|---|---|
| Li-ion | L03–L20 | For 12V battery → L04, 24V → L07, 36V → L10, 48V → L13, 52V → L14, 60V → L16, 72V → L20 |
| Lead-acid | P12–P84 | Select voltage directly: 12V, 24V, 36V, 48V, 60V, 72V, 84V |
| LiFePO4 | F03–F24 | For 12V battery → F04, 24V → F08, 36V → F12, 48V → F15, 60V → F19, 72V → F22 |
| Custom mode | Set minimum / maximum voltage | Full charge voltage and discharge voltage |
Main Functions and Navigation
- On the main screen, short press switches between voltage display, battery percentage, and temperature.
- Double click toggles between normal display and low-power screen.
- Long press 2 seconds enters settings mode or returns to the main screen.
- Low-voltage function: battery symbol flashes if percentage drops below 10%.
- Memory: retains settings after power off.
Exact Settings
| Parameter | Values | Instructions |
|---|---|---|
| Select Li-ion battery type (L) | L03 → L20 | Long press 2s on main screen → select desired cell → confirm 2s → returns to main screen |
| Select LiFePO4 battery type (F) | F03 → F24 | Long press 2s → select cell → confirm 2s → returns to main screen |
| Select Lead-acid battery type (P) | P12, 24, 36, 48, 60, 72, 84 | Long press 2s → short press to choose voltage → confirm 2s → returns to main screen |
| Minimum voltage (Lo-V) | Manually settable | Long press 2s → select value → confirm 2s → continue settings |
| Maximum voltage (Hi-V) | Manually settable (fully charged voltage) | Long press 2s → select value → confirm 2s → returns to main screen |
| Battery percentage display | ON-% / OF-% | Long press 2s → choose ON-% to display or OF-% to hide → confirm 2s |
| Backlight | B-0 (permanent) → B-9 (timeout 10–90s) | Long press 2s → short press to select B-0 → B-9 → confirm 2s |
Practical Tips
- Ensure the correct battery type is selected for accurate percentage reading.
- Use the backlight moderately to save energy.
- Periodically check Lo-V and Hi-V values to protect the battery.
Package Contents
- 1 × Circular DC 7–100V Digital Indicator
- 1 × Connection Cable
- Set of screws and gasket for mounting
Product Video
Photo Gallery
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