Rolls VB12-314LFP 12V 314Ah LiFePO4 Battery
£231.00
Sale price
£231.00
Regular price
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Rolls VB12-314LFP 12V 314Ah LiFePO4 Battery
£231.00
Sale price
£231.00
Regular price
Shipping calculated at checkout.
VB12-314LFP
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Description
Rolls VB12-314LFP 12V 314Ah LiFePO₄ Battery
Key benefits
- High-capacity 12V 314Ah LiFePO₄ leisure battery delivering 4.02kWh of energy in a single compact case for larger 12V and 48V systems.
- Long service life with an expected 6000 cycles at 80% depth of discharge, helping to minimise replacement and downtime in demanding applications.
- Integrated hardware BMS with full protection plus Bluetooth connectivity and dedicated iOS/Android app for straightforward monitoring and control.
Brief description
The Rolls VB12-314LFP 12V 314Ah LiFePO₄ Battery is part of the VB Series LFP range and is built around high-quality prismatic LiFePO₄ cells in an ABS enclosure. With 4.02kWh of storage, fast charge/discharge capability and maintenance-free design, it suits larger campervans, motorhomes, boats, off‑grid cabins and commercial service vehicles that need substantial 12V capacity in one unit. An integrated BMS manages safety, while an IP65 rating and Bluetooth connectivity make it practical for real-world leisure and light commercial environments.
Key features
- 12.8V nominal, 314Ah capacity and 4.02kWh total energy for high‑demand 12V and 48V systems.
- ABS container with rope/plastic handles and M8 terminals supplied with stainless bolts and washers for easy installation.
- Fast charge/discharge performance with up to 150A continuous charge and discharge current.
- Heating for low‑temperature operation plus wide charge and discharge temperature ranges.
- Up to 4 units in series and 4 in parallel (4S4P at 48V) for scalable storage banks.
Technical specifications
General
| Series | VB Series LFP |
| Warranty | See Warranty Terms |
| Volts | 12 |
| Design | SPEC |
| Terminal Type | M8 |
| Included Hardware | M8 stainless bolts & washers |
Charge / Discharge
| Charge Voltage Range | 14.2–14.6V |
| End of Discharge Protection Voltage | 11.2 V |
| Recommended Charge Current (‑20~50°C / ‑4–122°F) | 0.32C 100A |
| Charge Mode | Charge at recommend voltage & current by temperature until charge current drops to ≤ 0.05C (CC,CV) |
| Charge Mode Notes | DO NOT USE TEMPERATURE COMPENSATION; No BTS (Battery Temperature Sensor) |
| Max Continuous Charge Current | 150 A |
| Max Continuous Discharge Current | 150 A |
| Charge Temperature Range | -20~50°C (-4~122°F) |
| Discharge Temperature Range | -20~55°C |
| Storage Temperature Range | -5~45°C |
Capacity
| Nominal Capacity | 314 AH |
| Total Energy | 4.02 kWh |
| Nominal Voltage | 12.8 V |
Safety
| Cell type | Prismatic LiFePO4 cells (CB75/3.2V314Ah) |
| Standards | IEC 62619 (cell), UL 1973 (cell), UN38.3 (cell/pack) |
| Certifications | ROHS (cell), IP65 Rating |
Design
| Container | ABS |
| Cover | ABS |
| Handles | Rope / Plastic Handle |
| Design features | Fast charge/discharge performance; Maintenance-free operation; Heating for low temperature operation; Bluetooth Connectivity & dedicated IOS & Android App |
Battery Management System (BMS)
| Type | Integrated hardware BMS inside |
| Internal BMS Model | RD-RJ4S150A |
| Protection topology | Independent charge & discharge protection |
| Protection functions | Short-Circuit Protection, Over-Voltage Protection, Low-Voltage Protection, Over-Current Protection, Low-Temperature Protection, Over-Temperature Protection |
Specifications – mechanical
| Weight | 31.5 kg / 69.4 lbs |
| Length | 384 mm / 15.12" |
| Width | 194 mm / 7.64" |
| Height | 248 mm / 9.76" |
| Height Incl. Term. | 253 mm / 9.96" |
| Measurement note | Product measurements & weights are calculated based on sample data. Individual specifications are subject to vary due to the manufacturing process & battery components. |
Operational limits and configuration
| Expected Cycle Life | 6000 @ 80% DOD |
| Series Connection | 4 UNITS MAX (48V) |
| Parallel Connection | 4 UNITS MAX (48V) |
| Connectivity | Up to 4S4P (in 48V configuration) |
| Revision | Rev.#2 | November 2025 |
Shipping
Shipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, please contact us on +44 2080640335 or info@energian.co.uk for a tailored shipping quote.
UK expert support
UK expert support is available to help with battery selection, sizing and configuration of the Rolls VB12-314LFP 12V 314Ah LiFePO₄ Battery in leisure, marine and off‑grid systems. For larger banks or systems with inverters, chargers and DC distribution we recommend installation and commissioning via our trusted partners to ensure safe operation and correct protection settings.
You can contact us by phone, email or live chat, or visit our office for an in‑person consultation to discuss your project and preferred system layout.
Documents available for download
Return policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.