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Lead-Acid

Rely on over 30 years of Sunlight expertise in lead-acid battery technology. Engineered for endurance and efficiency, our batteries power fleets globally with long service life, reliable performance, and sustainable manufacturing.

Close-up of connected battery terminals with cables and a glowing green indicator.

Reliability engineered for demanding applications

Draw on over 30 years of expertise in lead-acid battery technology to power industrial, off-road, and specialized applications. With automated manufacturing and advanced recycling, these solutions deliver quality, efficiency, and sustainability across the entire lifecycle.

Why Choose Lead-Acid

  • Power through any shift

    Strong, reliable batteries designed to handle demanding environments.

  • Consistent performance

    Engineered for consistency, so your fleet delivers reliable performance without drop-offs.

  • Design for sustainability

    Helping your business lower its footprint, stay compliant with sustainability goals.

  • Smart manufacturing, better results

    High-precision manufacturing delivers reliable performance and extended battery life.

Why Choose Lead-Acid

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Frequently Asked Questions

Are lead-acid batteries still a good option for forklifts?
Yes. Sunlight lead-acid batteries remain a reliable and cost-effective choice for many operations. They’re ideal for single-shift fleets, applications with moderate usage, or environments where lithium infrastructure isn’t yet available.
How long do lead-acid forklift batteries last?
With proper care, a lead-acid forklift battery typically lasts 1,000 to 1,500 cycles, which translates to several years of dependable service. Lifespan depends on maintenance practices, charging habits, and duty cycles.
How much maintenance do lead-acid batteries require?
Lead-acid batteries require regular watering, terminal cleaning, and equalization charging to remain in optimal condition. A consistent maintenance routine can significantly extend battery life and minimize unexpected downtime.
What applications are lead-acid batteries best suited for?
Lead-acid batteries are a proven solution for industrial forklifts, pallet trucks, golf carts, backup power systems, UPS, and off-grid power needs. They deliver dependable performance, especially in single-shift operations where runtime demands are moderate.
Can I switch between lead-acid and lithium batteries in the same fleet?
It’s possible, but not a direct swap. Lead-acid and lithium use different charging systems, and forklifts may need reconfiguration. Sunlight experts can help evaluate whether a hybrid setup or full migration is right for your operation.
How can I maximize the life of a lead-acid battery?
To get the most out of your battery: 1. Charge fully after each use. 2. Avoid deep discharges. 3. Follow a consistent watering and maintenance routine. With the right care, you can extend service life and reduce operating costs.
Are lead-acid batteries safe to use?
Yes, when handled correctly. Proper ventilation is required during charging, as gases may be released. Following safety guidelines for watering, charging, and handling ensures safe and reliable operation.
What is the typical charging time for lead-acid forklift batteries?
A lead-acid forklift battery usually needs about 8 hours to recharge fully, plus a short cool-down period to stabilize temperature before reuse. This makes them best for single-shift operations. Using smart chargers can shorten charge times and improve battery life.
Are lead-acid batteries recyclable?
Absolutely. Sunlight lead-acid batteries are one of the most recycled battery types in the world. Sunlight Group processes up to 50,000 tons annually at our Komotini, Greece and Ubatt, Germany facilities. Over 50% of our production uses recycled materials, supporting a circular economy.
What is the environmental impact of lead-acid batteries?
Lead-acid batteries have a higher environmental footprint than lithium during use, due to emissions during charging and water requirements. However, recycling mitigates much of this impact by recovering lead and other raw materials.