Batterie lithium PowerBrick+ 12V 45Ah PB+12/45
PowerBrick+ 12V 45Ah: Portable energy for maximum autonomy
The PowerBrick+ 12V 45Ah battery is designed to meet your energy needs wherever you are. Thanks to its Lithium Iron Phosphate (LFP) technology, it offers high storage capacity, long lifespan, and optimal safety. Its compact size makes it easy to transport and install.
Why choose PowerBrick+?
- Increased autonomy: Store more energy to power your devices for longer.
- Enhanced safety: LFP technology, integrated BMS, IP65 waterproof casing.
- Performance: High energy density, low self-discharge, high efficiency.
- Flexibility: Can be mounted in series and parallel, compatible with many applications.
- Easy installation: Lightweight, compact dimensions, can be mounted in any position.
Ideal for:
- RV: Power your 12V equipment with complete autonomy.
- Boat: Ensure reliable backup power.
- Off-grid solar systems: Store produced solar energy.
- Industrial applications: Power for electronic devices, robotics.
Key features:
- Capacity: 45Ah
- Nominal voltage: 12.8V
- Technology: Lithium Iron Phosphate (LFP)
- Integrated BMS: Optimal protection
- Dimensions: 196mm x 135mm x 172mm
- Weight: 5.36 kg
Ready to equip your project? Contact us for a personalized study and a free quote.
Compatible sous condition :

PowerBrick+ 12V 45Ah Lithium Battery PB+12/45

The PowerBrick+ 12V-45Ah battery offers an energy capacity of 0.58 kWh in a compact format. Utilising Lithium Iron Phosphate (LiFePO4) technology, it is the ideal solution for those seeking reliable runtime, unrivalled lightness and maximum safety for their on-board or stationary equipment.
Boosted runtime and feather-light weight
- 0.58 kWh of energy: A true capacity of 45Ah available to power your devices for longer.
- High-performance replacement: With its 100% discharge rate, it is a superior replacement for a 90Ah to 100Ah lead-acid/AGM battery, whilst weighing two to three times less.
- Robust IP65 design: Its waterproof casing ensures total protection against dust and water splashes, ideal for marine environments or outdoor use.
Intelligence and safety: The state-of-the-art BMS
Thanks to its integrated battery management system (BMS), the battery autonomously manages its own safety:
- Constant monitoring: Protects against overcharging, deep discharge and current spikes.
- Cell optimisation: Automatic balancing extends the service life to over 10 years.
- Thermal stability: LiFePO4 chemistry is the safest on the market, with no risk of explosion or fire.
Simplified "Plug & Play" installation
- Full compatibility: Replaces your old lead-acid, AGM or gel batteries without the need for complex modifications to your system.
- Can be mounted in any position: Can be installed upright, on its side or even upside down.
- Maintenance-free: No need to top up with water, no gassing, no corrosion.
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Important notice for our customers in Belgium:An environmental levy of €15.49 excl. VAT must be applied to the purchase of each PowerBrick+ PB+12/45 - 45 Ah lithium battery. Please add the corresponding product when purchasing this lithium battery. More information at the bottom of the page. |
Flexibility and modularity
Designed to grow with your needs, the PowerBrick+ range allows for multiple configurations:
| Technical Specifications: PB+12/45 (45Ah / 0.58kWh) | |
|---|---|
| Capacity / Energy | 45 Ah / 576 Wh (0.58 kWh) |
| Series connection | Up to 4 units (12V, 24V, 36V or 48V systems) |
| Parallel connection | Up to 15 units to increase range |
| Typical applications | Boating, motorhome power supply, off-grid solar, UPS. |
Exceptional performance and longevity
- Lifespan: Over 3,000 cycles at 80% depth of discharge (DOD), ensuring a cost-effective investment in the long term.
- Bluetooth connectivity: Precise monitoring via a dedicated app (charge status, current, temperature).
- Energy efficiency: Very low self-discharge (< 3% per month) and charge efficiency close to 100%.
- Warranty: Product covered by a 2-year warranty, extendable to 5 years.
Environmental Commitment
Lithium Iron Phosphate technology is a clean storage solution: no lead, no cadmium, no mercury. Its IP65-rated housing and mechanical robustness make it a durable product, reducing the need for frequent replacement.
Dimensions

| Technical Specifications: 12.8V 45Ah Lithium Battery | |
|---|---|
| ELECTRICAL SPECIFICATIONS | |
| Nominal voltage | 12.8 V |
| Nominal capacity | 45 Ah |
| Energy | 576 Wh |
| Internal resistance | ≤ 50 mΩ |
| Number of cycles / Efficiency | > 3000 cycles / > 98% |
| Self-discharge | < 3% per month |
| STANDARD LOAD | |
| Charge voltage | 14.4 V ± 0.2 V |
| Charging mode | CC/CV (Constant Current / Constant Voltage) |
| Charging current (Std / Max) | 25 A / 45 A |
| BMS cut-off voltage | 14.8 V ± 0.1 V |
| STANDARD DISCHARGE | |
| Continuous discharge current | 55 A (704 W) |
| Maximum current (< 30 s) | 90 A (1,152 W) |
| Instantaneous peak (max 100 ms) | 150 A ± 20 A |
| BMS cut-off voltage | 10 V |
| ENVIRONMENT | |
| Temperature range | Charge: 0°C to +60°C / Discharge: -20°C to +60°C |
| Storage | 0°C to +50°C (@60±25% RH) |
| Protection rating | IP 65 |
| MECHANICAL | |
| Sensor type / Housing | Cylindrical / ABS |
| Dimensions (W x D x H) | 196 x 135 x 172 mm |
| Weight | 5.36 kg |
| Terminal | M6 bolt |

Specific Information for Belgian Customers - Bebat Tax
As part of our commitment to regulatory compliance and environmental responsibility in Belgium, we would like to inform our customers that the purchase of a PowerBrick+PB+12/45 - 45 Ah lithium battery is subject to a mandatory environmental levy.
An amount of €15.49 (excl. VAT) must be added for each battery purchased, as a direct contribution to Bebat, the organisation responsible for the management of batteries and accumulators in Belgium. This measure is in accordance with current Belgian environmental legislation.
Important: When purchasing a lithium battery, please add the corresponding product "Bebat Environmental Levy PowerBrick+ PB+12/45 - 45 Ah" according to the number of batteries you are ordering. Otherwise, we will recalculate and invoice the amount after purchase.
This tax applies only to Belgian customers.
FAQ - PowerBrick+ 12V 45Ah Lithium Battery
Data sheet
- Cycles
- More than 3000 cycles
- Storage temperature
- 0°C to +50°C @60±25% relative humidity
- Voltage
- 12V
- Technology
- Lithium
- Battery capacity
- 45Ah
- Width
- 196 mm
- Height
- 172 mm
- Thickness
- 135 mm
- Load current
- 25 A (Maxi continu : 45A)
- Max. discharge current
- 90 A (1.152 kW)
90 A (1.152 kW) - IP protection
- IP 66
IP65 - Weight
- 5,36 kg
- Discharge temperature
- -20°C to +60°C
- Load temperature
- 0°C to +60°C
- Usable energy
- 576 Wh
- Charging voltage
- 14.4 V ± 0.2V
- BMS cut-off voltage
- 14.8 V ± 0.1V
Décharge standard 10 V - Instantaneous peak discharge current
- 150 A ± 20 A (max 100mS)
- DC discharge current
- 55 A (704 W)
Specific References
- UPC
- 768563817014
- EAN13
- 0768563817014
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Batterie lithium PowerBrick+ 12V 45Ah PB+12/45 — Lithium battery
Batterie lithium PowerBrick+ 12V 45Ah PB+12/45 by PowerBrick+ is available in our Lithium battery catalog. Technical specifications: cycles: More than 3000 cycles, storage temperature: 0°C to +50°C @60±25% relative humidity, voltage: 12V, technology: Lithium, battery capacity: 45Ah, width: 196 mm, height: 172 mm, thickness: 135 mm, load current: 25 A (Maxi continu : 45A), max. discharge current: 90 A (1.152 kW) 90 A (1.152 kW), ip protection: IP 66 IP65 , weight: 5,36 kg, discharge temperature: -20°C to +60°C, load temperature: 0°C to +60°C, usable energy: 576 Wh, charging voltage: 14.4 V ± 0.2V, bms cut-off voltage: 14.8 V ± 0.1V Décharge standard 10 V, instantaneous peak discharge current: 150 A ± 20 A (max 100mS), dc discharge current: 55 A (704 W). Product weight: 5.4 kg. Reference: PB+12/45.
