Fast Delivery
Expert Support

Pytes Pi LV BMU - 5.12kWh Battery Module Unit, Stackable Battery

The Pi LV1 Battery Module is the primary building block of your home energy storage system. Each module stores a significant amount of clean energy to power your lights and appliances when the sun goes down or during a power cut. Because it is part of a clever stackable system, it is ideal for properties where space is at a premium. It provides a reliable, long-term solution that helps you become more self-sufficient and reduces your reliance on the electrical grid.

Grows with your needs: You can start with one module and easily stack more on top later if your family’s energy usage increases. Fits in small spaces: The compact and sleek design is specifically engineered to take up as little room as possible in your home. Built for the outdoors: With a high-quality waterproof rating, you have the freedom to install your battery stack either inside or outside. Safe for your home: It uses a hazard-free battery technology that has been rigorously tested to ensure the highest levels of safety and protection. Lasts for years: These modules are designed to be used daily for thousands of charging cycles, offering excellent long-term value for your investment. Faster installation: Its smart design allows a professional to get your system up and running much faster than traditional wired batteries.
£840.00
This product is on clearance/reduced pricing.
or pay interest-free installments
Klarna
PayPal
Add to Wishlist
SKU: Pi LV BMU
IN STOCK
Receive between -

Frequently Bought Together

Total price:£1,308.00
Product Details
The Pytes Pi LV1 Battery Module Unit is a high-performance 5.12kWh storage module based on safe and stable Lithium Iron Phosphate (LFP) technology. Designed for ultimate flexibility, each module functions as an individual unit that can be effortlessly stacked to create a larger energy reservoir for the home. A single stack can hold between one and six modules, providing a capacity range of 5.12kWh to 30.72kWh. For those with very high energy requirements, the system can be expanded even further to a total of 245.76kWh.
These modules are engineered for real-world convenience and professional efficiency. They feature a unique plug-and-play design that uses quick connectors instead of traditional hand-wiring, which makes the installation process significantly faster and more reliable. This compact footprint is particularly beneficial for modern homes or urban environments where utility space is often limited.
Durability and intelligence are at the heart of the Pi LV1 design. The units carry an IP55 protection rating, making them resistant to both dust and water; this allows for versatile placement in garages, utility rooms, or sheltered outdoor locations. Inside every module is a field-proven Battery Management System (BMS) that constantly monitors the health of the individual cells to ensure they are working at peak efficiency. With a cycle life of at least 6000 cycles, these modules represent a durable and sustainable investment that will support your energy independence for many years to come.
Product Specifications

Electrical Specifications

  • Chemistry: Lithium Iron Phosphate (LiFePO4/LFP)
  • Nominal Voltage: 51.2 V
  • Voltage Range: 45.5 V – 58 V
  • Battery Capacity: 100 Ah
  • Nominal Energy: 5.12 kWh
  • Recommended Charge Current: 50 A
  • Recommended Discharge Current: 50 A
  • Cycle Life: ≥6,000 cycles (at 80% Depth of Discharge)

Mechanical & Environmental

  • Dimensions (L x W x H): 681 x 242 x 541 mm (26.8 x 9.5 x 21.3 in)
  • Weight: ~53 kg (117 lb)
  • Protection Rating: IP55 (Suitable for indoor and covered outdoor use)
  • Operating Temperature Range: -10°C to 55°C
  • Installation Method: Vertical stacking with tool-less quick connectors

Safety & Monitoring

  • Integrated Protection: Battery Management System (BMS), cell balancing, overcharge protection, over-discharge protection, short-circuit protection, and temperature monitoring.
  • Hardware Protection: Integrated DC breaker and fuse protection.
  • Communication Interfaces: CAN, RS485, and Wi-Fi monitoring capability.
  • Smart Features: Remote firmware updates and real-time battery monitoring.
  • Inverter Compatibility: Supports integration with major hybrid inverters including Victron Energy and Sol-Ark.

Scalability & Performance

  • Stack Capacity: Up to 6 modules can be stacked in a single tower.
  • Tower Energy Capacity: 30.72 kWh per 6-module stack.
  • System Power (6-module stack): Up to 14.08 kW continuous output / 25.6 kW surge output.
  • Expansion: Multiple towers can be connected in parallel for larger system architectures exceeding 100 kWh.

Certifications & Compliance

  • Safety Certifications: UL1973, UL9540, UL9540A
  • International Standards: CE, IEC62619, UN38.3
  • Grid Compliance: Suitable for both grid-tied and off-grid energy storage systems.

Shipping & Collection

Tracked Delivery (Currently 1-3 business days):

  • Free over £250.
  • £5.99 for orders under £250.
  • £5.99 for orders under £50.

Next Business Day Delivery:

  • £15 Flat Rate.

Collection:

  • Free to collect from our warehouse.

Pre-Order:

  • 5-10 Business Days delivery unless otherwise stated.

Shipping Policy

Ask The AI About This Product

Looking for something Bespoke?

As a leading UK Victron Distributor and the Official UK Pytes Distributor our in house engineering team can deliver bespoke solutions. We handle design, specification, and system optimisation to meet your specific needs, regardless of size, weight, environmental, or regulatory constraints. From DIY projects up to large scale commercial projects our team can do it all.

Talk To An Engineer