The Riello Sentinel Dual 2 Battery Extension Packs are modular energy storage solutions designed to significantly increase the autonomy of the SD2 UPS range. Available in 36V versions for the 1000VA models and 72V versions for the 2200VA and 3000VA models, these packs offer flexible capacities of 7Ah, 14Ah, and high-capacity 40Ah. Each unit features a 2U rack/tower convertible design that mirrors the UPS aesthetic, including the same 19-inch rail compatibility for seamless data centre integration. These VRLA AGM maintenance-free lead-acid modules are hot-swappable and easy to daisy-chain, making them ideal for mission-critical IT environments where extended bridge time is required during prolonged power outages. Shop now for Expert Advice and Free Delivery.

The Riello BTC SD2 36V BB A3 Sentinel Dual2 7Ah Battery Extension Pack is designed to seamlessly extend the power capacity of your SD2 1000 system, ensuring longer operational runtime and reliable performance in demanding applications.
Key Features of Riello BTC SD2 36V BB A3
36V BB A3 battery extension compatible with SD2 1000
7Ah capacity for extended operational time
High-efficiency lithium-ion cells for consistent power delivery
Compact, modular design for easy integration and replacement
Durable construction to withstand intensive usage environments
Enhanced Runtime
This battery extension pack significantly increases the run time of your SD2 1000, allowing longer uninterrupted operations without downtime for recharging.
Seamless Integration
Designed to fit perfectly with the SD2 1000, the extension pack connects easily, providing a hassle-free upgrade and maintaining system performance standards.
Reliable Lithium-Ion Performance
Equipped with premium lithium-ion cells, this pack ensures stable power output, consistent efficiency, and long-lasting durability for intensive use cases.
Compact and Modular Design
The extension pack's modular form factor allows for easy handling, installation, and replacement, keeping your workflow smooth and flexible.
Built for Durability
Constructed to endure demanding conditions, the battery extension provides a robust solution that supports your system over the long term.

The Riello BTC SD2 36V BB M1 Sentinel Dual2 14Ah Battery Extension Pack is engineered to provide maximum power capacity for your SD2 1000 system, delivering extended runtime and consistent performance for demanding operations.
Key Features of Riello BTC SD2 36V BB M1
36V BB M1 battery extension compatible with SD2 1000
14Ah high-capacity cells for extended operation
Efficient lithium-ion technology for stable power delivery
Modular design allows easy installation and replacement
Durable construction suitable for intensive use environments
Maximum Runtime
This 14Ah extension pack provides significantly longer operational time, minimizing interruptions and maximizing efficiency for your SD2 1000 system.
Seamless System Integration
Designed for easy compatibility, the extension pack connects smoothly with the SD2 1000, maintaining consistent performance while boosting power capacity.
High-Performance Lithium-Ion Cells
Premium lithium-ion cells ensure reliable, consistent power output, making the battery pack a dependable choice for extended and intensive use.
Modular and Compact Design
The compact modular form factor allows for effortless installation, handling, and replacement, keeping your workflow uninterrupted.
Built to Last
Rugged construction provides durability in demanding environments, ensuring the battery extension pack continues to perform reliably over time.

The Riello BTC SD2 36V BB B1-1 Sentinel Dual2 40Ah Battery Extension Pack delivers exceptional power capacity for the SD2 1000 system, ensuring prolonged runtime and reliable performance in high-demand applications.
Key Features of Riello BTC SD2 36V BB B1-1
36V BB B1-1 battery extension compatible with SD2 1000
40Ah ultra-high-capacity cells for extended operations
Advanced lithium-ion technology for stable, efficient power delivery
Modular design allows easy installation and replacement
Rugged construction built for intensive usage environments
Ultra-Long Runtime
The 40Ah capacity provides exceptionally long operational periods, minimizing downtime and ensuring your SD2 1000 system stays powered during extended use.
Effortless System Integration
Designed for seamless compatibility, this extension pack integrates smoothly with the SD2 1000, delivering enhanced power without compromising system performance.
Premium Lithium-Ion Performance
High-quality lithium-ion cells guarantee consistent, reliable power output, supporting continuous operations in demanding environments.
Modular and Compact Design
The modular design allows easy installation, replacement, and handling, keeping your operations flexible and efficient.
Durable Construction
Built to withstand intensive use, the extension pack offers long-term reliability and maintains performance in challenging conditions.

The Riello BTC SD2 72V BB A3 Sentinel Dual2 7Ah Battery Extension Pack provides reliable power extension for higher-voltage SD2 systems, ensuring consistent performance and longer runtime in demanding applications.
Key Features of Riello BTC SD2 72V BB A3
72V BB A3 battery extension compatible with SD2 systems
7Ah capacity for extended operational time
High-efficiency lithium-ion cells for stable power output
Modular design for easy installation and replacement
Durable construction for intensive usage environments
Extended Runtime
This 7Ah extension pack increases operational time, allowing your SD2 system to run longer without interruptions for recharging.
Seamless Integration
Designed to fit and connect effortlessly with higher-voltage SD2 systems, the pack maintains consistent performance while enhancing power capacity.
Reliable Lithium-Ion Performance
Equipped with premium lithium-ion cells, the pack delivers steady power and efficiency for continuous, intensive usage.
Compact, Modular Design
The extension pack’s modular form factor allows simple handling, installation, and replacement, keeping your workflow smooth and efficient.
Built for Durability
Constructed to endure demanding conditions, this battery extension provides reliable, long-term performance for high-voltage systems.

The Riello BTC SD2 72V BB M1 Sentinel Dual2 14Ah Battery Extension Pack is engineered to maximize runtime for your high-voltage SD2 systems, providing consistent and reliable performance for intensive operations.
Key Features of Riello BTC SD2 72V BB M1
72V BB M1 battery extension compatible with SD2 systems
14Ah high-capacity cells for longer operational periods
Efficient lithium-ion technology for stable power delivery
Modular design allows easy installation and replacement
Durable construction built for demanding usage environments
Extended Runtime
The 14Ah capacity significantly increases operational time, minimizing downtime and enhancing productivity for SD2 systems.
Seamless Integration
Designed for effortless compatibility, the extension pack integrates smoothly with high-voltage SD2 systems, providing additional power without compromising performance.
High-Performance Lithium-Ion Cells
Premium lithium-ion technology ensures consistent, reliable power output for extended and intensive usage scenarios.
Modular and Compact Design
The compact, modular form factor allows easy installation, handling, and replacement, keeping system operation smooth and flexible.
Durable Construction
Engineered for challenging conditions, the battery extension pack offers long-term reliability and maintains performance under heavy use.

The Riello BTC SD2 72V BB B1-1 Sentinel Dual2 40Ah Battery Extension Pack provides ultra-high capacity power for your SD2 high-voltage systems, ensuring extended runtime and reliable performance in demanding applications.
Key Features of Riello BTC SD2 72V BB B1-1
72V BB B1-1 battery extension compatible with SD2 systems
40Ah ultra-high-capacity cells for prolonged operation
Advanced lithium-ion technology for stable and efficient power delivery
Modular design for simple installation and replacement
Rugged construction for intensive usage environments
Ultra-Long Runtime
The 40Ah capacity provides exceptionally long operational periods, reducing downtime and keeping your SD2 system running efficiently for extended tasks.
Seamless System Integration
Designed for easy compatibility, this extension pack integrates smoothly with SD2 high-voltage systems, enhancing power capacity without affecting system performance.
Premium Lithium-Ion Performance
High-quality lithium-ion cells deliver consistent and reliable power output, supporting continuous operation in demanding environments.
Modular and Compact Design
The modular form factor allows for effortless handling, installation, and replacement, keeping your operations flexible and efficient.
Built for Durability
Constructed to withstand intensive use, the battery extension pack ensures long-term reliability and consistent performance in challenging conditions.



