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XH-M603 Lithium Battery Charging Control Module — 12–24V, LED Display, Auto Cut-Off
XH-M603 Lithium Battery Charging Control Module 12–24V, LED Display, Auto Cut-Off
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XH-M603 — Lithium Battery Charging Control Module, 12–24V
The XH-M603 is a versatile lithium battery charging control module that automatically manages the charging process for 12V to 24V lithium battery packs. It monitors battery voltage and automatically cuts off the charger when the battery reaches full charge, then reconnects when voltage drops below the set threshold — preventing overcharge and extending battery life. An integrated LED display shows real-time battery voltage and charging status.
Key Specifications
| Parameter | Value |
|---|---|
| Model | XH-M603 |
| Input Voltage | 12V – 24V DC |
| Battery Voltage Range | 12V – 24V lithium (Li-ion / LiFePO4) |
| Charge Cut-Off Voltage | Adjustable (preset for common Li-ion voltages) |
| Reconnect Voltage | Adjustable |
| Display | LED voltage display |
| Output | Relay-switched charger output |
| Protection | Overcharge cut-off, auto reconnect |
| Operating Temperature | -40°C to +85°C |
| Origin | Mainland China |
Why Choose XH-M603?
- Automatic charge management — cuts off charger at full charge, reconnects when battery depletes
- LED voltage display — real-time battery voltage monitoring without external meter
- Adjustable thresholds — set cut-off and reconnect voltages for your specific battery chemistry
- 12–24V range — compatible with 3S, 4S, 5S, and 6S lithium battery packs
- Relay output — controls charger power via relay for clean switching
- -40°C to +85°C — suitable for outdoor solar and automotive applications
Typical Applications
- DIY solar battery charger — automatically manage solar panel charging of lithium battery banks
- Power bank charging control — protect DIY 18650 power banks from overcharge
- Electric vehicle battery management — e-bike and e-scooter lithium pack charging control
- UPS battery maintenance — automatic float charging for backup battery systems
- Off-grid energy storage — cabin and RV lithium battery charging automation
- RC battery charger controller — automatic cut-off for LiPo and Li-ion packs
How It Works
Connect your charger output to the module input and the battery to the module output. The XH-M603 monitors battery voltage continuously. When voltage reaches the cut-off threshold (e.g., 16.8V for 4S Li-ion), the relay opens and disconnects the charger. When voltage drops to the reconnect threshold, the relay closes and charging resumes. The LED display shows current battery voltage at all times.
FAQ
Q: Is XH-M603 compatible with LiFePO4 batteries?
A: Yes. Adjust the cut-off voltage to 14.6V (4S LiFePO4) or 3.65V per cell. The adjustable thresholds support both Li-ion and LiFePO4 chemistries.
Q: What is the maximum current this module can handle?
A: The relay contact rating determines maximum current. Check the relay specifications on your specific module — typically 10A to 30A depending on the relay used.
Q: Can I use XH-M603 with a 12V lead-acid battery?
A: The module is designed for lithium batteries. For lead-acid batteries, the voltage thresholds differ (13.8V float, 14.4V absorption) — adjust accordingly, but a dedicated lead-acid charge controller is recommended.
Package Contents
- 1× XH-M603 Lithium Battery Charging Control Module
