Foundation & Joint Venture Formation

• Rainbow Hi Tech Engineering Company (Pvt) Limited is established with the vision to manufacture high-quality energy storage solutions in Pakistan.
• A strategic joint venture with RSMD International LLC (USA) is formed from the very beginning in 2013, enabling advanced technology transfer and international industrial support.

Factory infrastructure and installation of essential machinery begin at SITE Kotri, Sindh.

Start of Industrial Operations — Lead Acid Dry Charged Batteries

• Commissioning of the company’s first production line for Lead Acid Dry Charged Automotive Batteries.
• Launch of the Bridge Power Batteries brand.
• End-to-end manufacturing capabilities established, including:
  • Grid casting
  • Oxide milling
  • Pasting
  • Curing
  • Formation charging

Motorcycle Batteries Production Begins

• Introduction of a complete line for Motorcycle & 2-Wheeler batteries.
• Expansion of the distribution network across Pakistan.

2nd Production Plant — Maintenance Free & Tubular Batteries

• Establishment of the second manufacturing plant, enabling large-scale production of:
  • Maintenance Free (MF) batteries
  • Tubular deep-cycle batteries
• Expansion into solar, UPS, industrial deep-cycle, and commercial energy storage markets.

Nationwide Growth, Modernization & New Technologies

• Strengthened market presence with nationwide dealer networks and OEM alignments.
• Systematic development of HSE, QA, and Environmental Compliance aligned with ISO 9001, ISO 14001, ISO 45001.
• R&D initiatives launched for advanced lead-acid technologies, industrial backup solutions, VRLA/AGM, and hybrid battery systems.

Commercialization of Lithium-Ion Batteries

• Official launch of the company’s Lithium-Ion Battery commercialization program.
• Strategic expansion into LFP (Lithium Iron Phosphate) and ESS (Energy Storage System) solutions for:
  • Solar energy storage
  • Industrial backup
  • Telecom power systems
  • Mobility & EV-related segments
• Technology development supported by the long-standing JV with RSMD International LLC.

Advanced Energy Solutions & Sustainable Growth

• Transition roadmap toward smart energy systems, battery management systems (BMS), and lithium-based industrial power solutions.
• Planned expansion of manufacturing facilities with improved automation and robotics.