METTLEE N E R G Y L T D Continuity, Uncompromised. C&I and Grid-scale battery energy storage systems (BESS), engineered and manufactured in India.

Energy storage, from cell to grid connection. Mettle Energy builds battery energy storage for grid-scale and commercial projects. Our aim is to make clean energy dependable at every scale, with storage built in India for the world. Surat annual manufacturing capacity Gujarat, India · manufacturing base from C&I cabinets to grid-scale containers 5 GWh O U R P R O M O T E R S Four decades behind the name. US$ 600 mn Mettle Energy is promoted by the Salona Group, founded in Coimbatore in 1994, and the JB Group (Jay Bharat), founded in Surat in 1985. Their work spans textiles, recycling, packaging and renewable energy. 6,000+ 300 MW+ combined group turnover people across both groups of solar EPC installed w w w. m e t t l e l t d . c o m 0 2 261 kWh to 5.016 MWh A B O U T M E T T L E

A 5 GWh facility, from cell to system. Mettle's Surat facility brings manufacturing, testing and integration together, from incoming cell inspection to the finished system. The site has west-coast port access through Hazira and JNPA (Nhava Sheva). B U I LT O N O N E C O N N E C T E D L I N E AMB laser welding. Plasma cleaning. 100% traceability. 5 GWh annual manufacturing capacity DC to turnkey from battery block to grid connection Non-China BMS option for projects that require it Stable, low-resistance welds on busbar joints. Contact surfaces cleaned ahead of welding. Every cell tracked to its finished system. w w w. m e t t l e l t d . c o m 0 3 P L A N T A N D M A N U FA C T U R I N G 0201 03

S Y S T E M 0 1 · U T I L I T Y Penta 5.016 MWh Liquid-cooled DC container 20-ft, 5.016 MWh LFP battery block for utility-scale and large C&I projects. 25 years ≥ 94% DC round-trip efficiency at 0.5C IEC · UL Certified to IEC 62933 and UL 9540 Design calendar life w w w. m e t t l e l t d . c o m 0 4 3.1 kW IP55 container · IP67 pack ~42 t −30 to +55 °C (derating above 45 °C) ≤ 4,000 m (derating above 2,000 m) PCS: CAN / RS485 · EMS: IEC 61850 6,058 × 2,438 × 2,896 mm Fixed auxiliary load Protection Weight Operating temperature Altitude Communication Dimensions (L × W × H) S P E C I F I C A T I O N S 5.016 MWh ≤ 2.5 MW (0.5C) Liquid cooling, 60 kW unit Rated energy Rated power 12 clusters × (4 × 1P104S)Configuration LFP, 314 Ah 1,331.2 V DC 1,164.8 – 1,497.6 V DC Cell Rated voltage Voltage range Thermal management Where it sits in the range 5.016 MWh 2.508 MWh 1.044 MWh 418 kWh 261 kWh

w w w. m e t t l e l t d . c o m Where it sits in the range 5.016 MWh 2.508 MWh 1.044 MWh 418 kWh 261 kWh Smart liquid cooling IP55 · C4M −30 to 55 °C 2,991 × 2,438 × 2,896 mm 23 t Thermal management Fire protection Protection · corrosion Operating temperature Dimensions (L × W × H) Weight 0 5 Detection, ventilation, water fire-fighting interface 2.508 MWh All-in-one 10-ft system Battery, PCS, liquid cooling and fire protection integrated in one 10-ft enclosure. S Y S T E M 0 2 · U T I L I T Y A N D C & I 1.29 MW (3 × 430 kW) 6P416S · 1P104S packs 1,331.2 V (1,164.8 – 1,497.6 V) 690 V AC, 50/60 Hz 0.5C Rated energy Rated power Battery configuration Rated DC voltage AC output Charge / discharge rate 2.508 MWh S P E C I F I C A T I O N S 1.29 MW Rated power

Where it sits in the range 5.016 MWh 2.508 MWh 1.044 MWh 418 kWh 261 kWh Smart liquid cooling Detection, aerosol suppression, ventilation, water interface IP55 · C4 (C5 optional) −30 to 55 °C (derating above 45 °C) 2,991 × 2,438 × 2,896 mm 16 t Thermal management Fire protection Protection · corrosion Operating temperature Dimensions (L × W × H) Weight w w w. m e t t l e l t d . c o m 0 6 S Y S T E M 0 3 · U T I L I T Y A N D C & I 1.044 MWh Battery, PCS, liquid cooling and fire protection integrated in one 10-ft enclosure. 1.044 MWh 500 kW (4 × 125 kW) 4P260S · 1P52S packs 832 V (715 – 936 V) 400 V AC, 50/60 Hz 0.5C Rated energy Rated power Battery configuration Rated DC voltage AC output Charge / discharge rate S P E C I F I C A T I O N S All-in-one 10-ft system 500 kW Rated power

w w w. m e t t l e l t d . c o m Where it sits in the range 5.016 MWh 2.508 MWh 1.044 MWh 418 kWh 261 kWh C&I cabinet 215 kW Rated power S Y S T E M 0 4 · C & I 418 kWh Outdoor all-in-one cabinet with integrated PCS, liquid cooling and aerosol fire suppression. ≥ 88% excl. auxiliary Liquid · aerosol IP55 · C3 (C4/C5 on request) −30 to 55 °C (derating above 45 °C) 1,300 × 1,350 × 2,350 mm ~4 t AC–AC round-trip efficiency Cooling · fire protection Protection · corrosion Ambient temperature Dimensions (L × W × H) Weight w w w. m e t t l e l t d . c o m 0 7 418 kWh 215 kW (max. 236.5 kW) 1P416S · 8 × 1P52S packs 1,331.2 V (1,164.8 – 1,497.6 V) 690 V ±10% (800 V optional) 99% Rated energy Rated AC power Battery configuration Rated DC voltage Rated AC voltage PCS max. efficiency S P E C I F I C A T I O N S

S Y S T E M 0 5 · C & I 261 kWh Outdoor all-in-one cabinet with integrated PCS, liquid cooling and aerosol fire suppression. ≥ 86% incl. auxiliary Liquid · aerosol IP55 · C3 (C4/C5 on request) −30 to 55 °C (derating above 45 °C) 1,035 × 1,400 × 2,350 mm ~2.5 t AC–AC round-trip efficiency Cooling · fire protection Protection · corrosion Ambient temperature Dimensions (L × W × H) Weight w w w. m e t t l e l t d . c o m 0 8 261 kWh 125 kW (max. 137.5 kW) 1P260S · 5 × 1P52S packs 832 V (715 – 936 V) 400 V ±15% 98.5% Rated energy Rated AC power Battery configuration Rated DC voltage Rated AC voltage PCS max. efficiency S P E C I F I C A T I O N S Where it sits in the range 5.016 MWh 2.508 MWh 1.044 MWh 418 kWh 261 kWh C&I cabinet 215 kW Rated power

IEC 62619 IEC 62620 IEC 63056 IEC 61427-2 UL 1642 UL 1973 IEC 62933-2-1 IEC TS 62933-5-1 IEC TS 62933-5-2 UL 9540 UL 9540A test report NFPA 855 installation design UN 38.3 BIS ISO 9001 Certified to global standards. Backed by warranty. Cells, packs and systems designed to meet international safety, quality and transport standards, backed by a 5-year standard warranty and extended support options. CELL AND BATTERY ENERGY STORAGE SYSTEM FIRE SAFETY TRANSPORT AND QUALITY IEC UL Solutions BIS ISO w w w. m e t t l e l t d . c o m 0 9 ISO 14001 5-year standard warranty across all products. Extended warranty and LTSA support available based on project requirements. W A R R A N T Y & S U P P O R T C E R T I F I C A T I O N

METTLEE N E R G Y L T D Let's size the right system for your project. C O N T A C T Company Correspondence Address Email Phone Website Mettle Energy Limited B-606, Swastik Universal, Dumas Rd, New Magdalla, Surat, Gujarat 395007 info@mettleltd.com +91 99448 70133 www.mettleltd.com