Lithium Battery Level Indicator Module 1S–8S (MH-DL18S) – 4-Bar LED Display, 3V–34V

🔋 Lithium Battery Level Indicator Module 1S to 8S (MH-DL18S)

Product Description:

The MH-DL18S Battery Level Indicator Module is a compact and efficient solution to monitor the charge level of 1S to 8S lithium battery packs. This module offers visual battery capacity indication through a 4-bar LED display, giving real-time status of battery voltage. It supports a wide voltage range and features easy connection, reverse polarity protection, and high measurement accuracy.

Perfect for use in 18650 lithium packs, LiPo batteries, nickel-metal hydride batteries, lead-acid storage, and electric vehicle power systems, this module helps you prevent over-discharge by letting you know when it’s time to recharge.

✅ Key Features:

Battery Supported: 1S to 8S Lithium Battery

Working Voltage: 3V to 34V DC

Current Consumption: 5mA (Low power)

Display Type: 4-bar LED indicator

Color Display: Green/Blue LEDs with Red Outline

Reverse Polarity Protection: Yes

High Accuracy: ±2% measurement precision

Operating Temperature: -20℃ to +50℃

Compact Design: 44mm × 20mm × 7mm

🔧 Operating Modes:

🔹 Voltage > N × 3.3V → 1 bar ON

🔹 Voltage > N × 3.5V → 2 bars ON

🔹 Voltage > N × 3.7V → 3 bars ON

🔹 Voltage > N × 3.9V → 4 bars ON

🔻 Voltage < N × 3.3V → No bars (Low Battery Warning)

Here, “N” is the number of battery cells in series (1S–8S).

🛠️ Applications:

Lithium-ion & LiPo battery packs (1S to 8S)

Nickel-metal hydride (NiMH) batteries

18650 battery monitoring

Electric vehicles & scooters

Lead-acid battery systems

Portable and DIY electronic devices

📦 Package Includes:

1 × MH-DL18S Battery Level Indicator Module