Rolls VB12-200LFP: The Ultimate High-Capacity Smart Lithium Solution

When your power needs are non-negotiable, the Rolls VB12-200LFP offers big power at a great price. Rolls Battery Engineering has built a global reputation over decades for providing heavy-duty power in the most extreme environments. This 200Ah model brings that legendary Canadian engineering heritage to a high-capacity lithium format, offering a massive energy reservoir for serious off-grid systems, large marine house banks, and commercial-grade power setups.

This is the definitive choice for users who demand the highest energy density and the smartest technology available on the market.

Why the Rolls 200Ah Lithium is the Professional’s Choice

• Massive Energy Storage: With 2.56 kWh of total energy, this single unit provides the power density of a much larger lead-acid bank at a fraction of the weight—just 21.6 kg.

• Unrivaled Lifespan: Engineered for long-term independence, it delivers an incredible cycle life of over 6,000 cycles at 80% Depth of Discharge.

• True All-Weather Reliability: Equipped with an integrated heating element, this battery can safely charge and operate even in extreme cold, down to -20°C (-4°F).

• Smart Bluetooth Control: Stay in total command with the dedicated Bluetooth app for iOS and Android, allowing you to monitor state of charge, health, and temperature in real-time.

• High-Output Performance: Designed for heavy loads, it supports a 200A maximum continuous discharge, making it capable of powering high-draw appliances like induction hobs and large inverters.

• Total System Protection: A sophisticated, integrated hardware BMS provides redundant protection against short circuits, over-voltage, and extreme temperatures.

Technical Specifications

Capacity & Energy

• Nominal Capacity: 200 Ah

• Total Energy: 2.56 kWh

• Nominal Voltage: 12.8 V

Physical Specifications

• Weight: 21.6 kg (47.6 lbs)

• Dimensions (L x W x H): 522mm x 240mm x 219mm

• Terminal Type: M8 Stainless Steel

• Case Material: Durable ABS (IP65 Rated)

• Handles: Heavy-duty Rope / Plastic Handle

Charge & Discharge

• Max Continuous Charge Current: 200 A

• Max Continuous Discharge Current: 200 A

• Charge Voltage Range: 14.4V - 14.6V

• Operating Temp (Charge/Discharge): -20°C to 55°C (-4°F to 131°F)

System Scalability

• Series Connection: Up to 4 units (for 48V systems)

• Parallel Connection: Up to 4 units

Engineered for Peace of Mind

With Rolls, you are investing in decades of specialized engineering. From the premium prismatic cells to the rugged, IP65-rated dust and water-resistant case, every component is built for maximum durability. Whether you are powering a remote research station or a luxury yacht, trust the heritage of Rolls to deliver reliable power when you need it most.