Lithium Battery for gate opener

Should You Use Lithium Iron Batteries for Your Gate Motor?

Lithium Iron (LiFePO4) batteries have become increasingly popular, and gate motor owners are taking notice. However, before you jump on the lithium bandwagon, there are some important things to consider. While they offer potential benefits, traditional 12V Sealed Lead Acid (SLA) batteries might be a better fit for most gate motors currently on the market.

Why Lithium Might Not Be the Perfect Fit (Just Yet):

    • Charger Incompatibility: Most gate openers utilize linear chargers designed specifically for SLA batteries, providing a charging voltage around 13.7V. Lithium Iron batteries require a higher voltage, typically around 14.2V, for a proper charge. This mismatch can lead to incomplete charging, reducing battery life and performance.
    • Temperature Concerns: Gate motors can generate significant heat during operation, with internal temperatures reaching up to 75°C. While some lithium batteries can tolerate this heat, it can negatively impact their lifespan.
    • Current Delivery Limitations: Lithium batteries have varying current delivery capabilities. Some may not be able to deliver the surge of current needed by gate motors when starting up, causing the battery management system (BMS) to shut down to protect itself. This can result in the motor stalling and potentially damaging the battery.
    • Cost vs. Lifespan: Lithium Iron batteries often come with a higher initial cost compared to SLA batteries. While they boast a longer lifespan under ideal conditions, the incompatibility issues with most current gate motors can significantly reduce their actual lifespan, negating the potential cost benefits.

Additional Considerations:

    • Replacement Availability: Finding a compatible replacement lithium battery for your gate motor might be more challenging compared to readily available SLA batteries and are much more expensive.
    • Risk of Explosion: While uncommon, there’s a risk of explosion with Lithium Iron batteries if the Battery Management System (BMS) fails or the battery is exposed to extreme heat (beyond its operating temperature range). This risk can be mitigated by using high-quality batteries from reputable manufacturers and following proper storage and usage guidelines.

Benefits of Lithium Iron Batteries (if compatible):

    • Constant Discharge Rate: Lithium Iron batteries typically discharge more evenly than SLA batteries, offering potentially more extended operation between charges.
    • Environmentally Friendly: Because of the reactivity of Lithium, Lithium Iron batteries are considered a slightly more environmentally friendly option compared to lead-acid batteries.

The DACE Ultima Advantage:

It’s important to note that some gate motor manufacturers, like DACE, are leading the way with models like the Ultima. These motors feature built-in lithium chargers that address the voltage and charging concerns mentioned earlier. This allows them to take full advantage of the benefits of lithium batteries while ensuring proper charging and operation, as long as the chosen lithium battery can meet the required current delivery rate of the motor.


While Lithium Iron batteries offer advantages, their compatibility with current gate motors is a critical factor to consider. For most existing gate motors, SLA batteries remain the safer and more reliable option. However, as technology evolves and gate motors adapt, lithium batteries might become a more viable choice in the future. If you’re unsure about your specific gate motor’s compatibility, consult the manufacturer’s recommendations or a qualified technician.

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