Marine-Grade Battery and DC-DC Converter Systems Development and Supply

Work Description - NA

This tender, with Bid Number GEM/2026/B/7936355, is issued by the Office of DG (ECS) under the Department of Defence Research and Development, Ministry of Defence. It seeks the supply of critical components and advanced systems for defence applications, with a bid submission deadline of 22-09-2026 at 9:00 AM, commencing on 20-08-2026. The tender encompasses a comprehensive range of items including spare marine-compatible MIL-qualified connectors for Li-Ion batteries, 30kW DC-DC converters, and 20kW DC-DC converters. Furthermore, it requires the design document set for the development of battery and converter modules, alongside the provision of operational "AT" units for liquid-cooled Lithium-Ion batteries (with BMS), 30kW DC-DC converters, and 20kW DC-DC converters. The scope also extends to liquid-cooled 7-channel charger modules, a supervisory controller software, and a 19-inch rugged enclosure. Crucially, the tender includes a requirement for prototype liquid-cooled Lithium-Ion battery modules with BMS (5kWh +/- 0.5kWh) and prototype liquid-cooled DC-DC converter modules (30kW). The Earnest Money Deposit (EMD) for this tender is specified as ₹26,00,000.00, with a total quantity of 26 items to be supplied.