Overview
Your product is only as reliable as the battery inside it. We manufacture custom lithium battery packs for consumer electronics OEMs who need consistent performance and zero field failures.
Leolus Energy — Custom Lithium Battery Manufacturer for Electronics OEMs in India
Your product is only as strong as its power source. ZERA™ lithium battery systems are engineered to deliver longer runtime, higher energy density, and uncompromising reliability in compact, production-ready designs.
At Leolus Energy, we’ve been building custom lithium battery packs for electronics OEMs since 2016. When your product’s reputation depends on battery reliability, you can’t afford failure. From robotic vacuum cleaners and POS systems to smart electronics and Wi-Fi router UPS, ZERA batteries power products that must perform flawlessly—across markets, climates, and production volumes.
Lithium Battery Solutions Built for Global OEMs
ZERA batteries are designed to meet the performance, safety, and scalability demands of export-focused OEM manufacturers.
Why OEMs Choose ZERA
- High-energy, space-optimized lithium battery architectures
- Stable voltage output under continuous and peak load conditions
- Safety-first battery engineering with rigorous validation
- Custom lithium battery pack design for fast product integration
- Scalable manufacturing for export and long-term supply continuity
- Engineered to Outperform. Designed to Scale.
ZERA is not a generic battery supplier. We are a technology-driven lithium battery manufacturer focused on real-world performance, consistency, and reliability at scale.
Why Switch to ZERA™ Lithium Batteries
Most lithium battery packs look similar on paper. Performance in the field is where the difference shows.
ZERA batteries are engineered to eliminate the failures, inefficiencies, and inconsistencies OEMs experience with conventional battery suppliers.
ZERA vs Conventional Lithium Batteries
| Feature | Conventional Lithium Batteries | ZERA Batteries |
|---|---|---|
| Runtime Consistency | Degrades after initial cycles | Stable output across extended cycles |
| Energy Density | Bulky packs, wasted space | Compact, space-optimized designs |
| Quality Consistency | Lot-to-lot variation | Controlled BOM and repeatable manufacturing |
| Field Reliability | Voltage drop and early failures | Proven stability under real-world loads |
| Safety Engineering | Basic protection | Multi-layer protection and validation |
| OEM Customization | Limited flexibility | Designed around your product |
| Scalability | Supply instability at volume | Export-ready, scalable manufacturing |
Products
Headlamp Batteries
Our Headlamp Batteries deliver reliable and efficient lithium power for consistent illumination. Designed for durability and safety, they offer stable performance, fast charging, and a lightweight rechargeable solution for industrial, outdoor, and emergency lighting applications.
POS System Battery Backup
ZERA batteries provide reliable backup power for POS systems, ensuring uninterrupted business operations during power fluctuations and outages. Designed for frequent charge–discharge cycles, our battery packs protect revenue, transactions, and customer trust.
Wi-Fi Router UPS Batteries
ZERA lithium battery packs for Wi-Fi router UPS applications ensure seamless connectivity during power outages. With low standby consumption and consistent backup performance, our batteries provide uninterrupted internet access for homes and businesses.
Calculator Batteries
Our Calculator Batteries provide compact and reliable lithium power for consistent performance in everyday electronic devices. Designed for long life and stable voltage output, they ensure accurate functioning, low maintenance, and dependable energy efficiency in both personal and commercial applications.
Robotic vacuum cleaner
Our Robotic Vacuum Cleaner Batteries deliver reliable lithium power for extended runtime and consistent performance. Designed for durability and fast charging, they ensure efficient and uninterrupted cleaning in modern smart environments.
Electronic Weighing Machine Batteries
ZERA lithium battery packs for electronic weighing machines ensure stable voltage output and precise performance across retail and industrial applications. Designed for continuous usage and frequent charge cycles, our batteries deliver long runtime, measurement accuracy, and dependable backup during power interruptions.
