Rolls VB24-150LFP 24V 150Ah LiFePO₄ Battery
Suitable for Leisure, Marine and Off-Grid Power Systems
The Rolls VB24-150LFP 24V 150Ah LiFePO₄ Battery (R24-150LFP) is part of the R-Series LFP range and uses cylindrical LiFePO₄ cells in a robust 8D ABS enclosure. With 3.78kWh of energy, fast charge/discharge behaviour and IP65 protection, it is well suited to 24V boat systems, larger campervans, off-grid cabins and small commercial DC banks.
An integrated 8S150A BMS manages protection, while the standard BCI footprint makes it straightforward to replace existing deep-cycle lead-acid batteries. The battery offers maintenance-free lithium storage for systems where dependable deep-cycle performance and lower whole-life cost are important.
Key Benefits
- 24V 150Ah LiFePO₄ battery providing 3.78kWh of storage in a single 8D case, ideal for larger leisure, marine and off-grid systems
- Long service life with >6000 cycles at 80% depth of discharge and >3000 cycles at 100% DOD, reducing whole-life cost versus lead-acid
- Drop-in style replacement for VRLA with integrated BMS, full electronic protection and maintenance-free operation
Key Features
- 24V class battery with 25.6V nominal voltage, 150Ah capacity and 3.78kWh total energy in an 8D form factor
- Standard-size BCI ABS container with moulded handles and M8 terminals supplied with stainless bolts and washers
- Fast charge/discharge performance with up to 75A continuous charge current and 150A continuous discharge current, plus 800A surge for 300ms
- Wide operating temperature range: charge from 0°C to 55°C and discharge from -20°C to 60°C
- Can be configured up to 2 units in series and 4 units in parallel, 2S4P at 48V, or up to 6 in parallel at 24V for scalable storage banks
Integrated Battery Management System
The Rolls VB24-150LFP includes an integrated hardware Battery Management System inside the battery. The 8S150A BMS provides independent charge and discharge protection and is designed to help protect the battery from common electrical and temperature-related faults.
BMS protection functions include short-circuit protection, over-voltage protection, low-voltage protection, over-current protection, low-temperature protection and over-temperature protection.
Technical Specifications
General
| Series | R-Series LFP |
| Warranty | See Warranty Terms |
| Volts | 24 |
| Design | 8D |
| Terminal Type | M8 |
| Included Hardware | M8 stainless bolts & washers |
Charge / Discharge
| Charge Voltage Range | 28.0 - 29.2V |
| Recommended End of Discharge Voltage | 24.0 V |
| End of Discharge Protection Voltage | 20.0 V |
| Recommended Charge Voltage | 28.8 V |
| Recommended Charge Current 0~10°C (32-50°F) | 0.2C 30A |
| Recommended Charge Current 10~35°C (50-95°F) | 0.5C 75A |
| Recommended Charge Current 35~50°C (95-122°F) | 0.2C 30A |
| Charge Mode | Charge at recommended 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 | 75 A |
| Max Continuous Discharge Current | 150 A |
| Surge Current Limit | 800 A (300ms) |
| Charge Temperature Range | 0°C~55°C (32~131°F) |
| Discharge Temperature Range | -20°~60°C (-4~140°F) |
| Storage Temperature Range | -5°~45°C (23~113°F) |
Capacity
| Nominal Capacity | 150 AH |
| Total Energy | 3.78 kWh |
| Nominal Voltage | 25.6 V |
Safety
| Cell Type | Cylindrical LiFePO4 cells [ITR26-70/46E 4.6Ah, 26700] (UL1642) |
| Standards | IEC62133 (cell), IEC62619(cell), UN38.3 (cell/pack) |
| Certifications | ROHS (cell), CE system certification, IP65 Rating |
Design
| Container | ABS |
| Cover | ABS |
| Handles | Moulded |
| Design Features | Standard-size (BCI) ABS container for easy VRLA replacement; Fast charge/discharge performance; Maintenance-free operation |
Battery Management System (BMS)
| Type | Integrated hardware BMS inside |
| Internal BMS Model | 8S150A |
| 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 |
Mechanical Specifications
| Weight | 33.5 kg / 73.6 lbs |
| Length | 521 mm / 20.5" |
| Width | 267 mm / 10.51" |
| Height | 220 mm / 8.66" |
| Height Incl. Term. | 223 mm / 8.78" |
| Measurement Note | Product measurements & weights are calculated based on sample data. Individual specifications may vary due to the manufacturing process & battery components. |
Operational Limits and Configuration
| Expected Cycle Life | >6000 @ 80% DOD, >3000 @ 100% DOD |
| Series Connection | 2 UNITS MAX (48V) |
| Parallel Connection | 4 UNITS MAX (48V) or 6 UNITS MAX (24V) |
| Connectivity | Up to 2S4P (in 48V configuration) or 1S6P (in 24V configuration) |
| Revision | Rev.#1 | May 2023 |
System Design and Installation Notes
This battery should be installed with correctly rated DC protection, suitable cabling and compatible charging equipment. Charger, inverter and solar charge controller settings must be configured to match the battery manufacturer's requirements.
For larger systems, 48V configurations or installations involving inverters, chargers, DC distribution and multiple batteries, professional installation and commissioning is strongly recommended.
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 VB24-150LFP 24V 150Ah LiFePO₄ Battery in marine, leisure 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.