Discover the PowerBrick+ Smart BT + Heater 12V 135Ah: the lithium battery that adapts to all conditions.
Designed to provide optimal performance even in the most demanding environments, this lithium iron phosphate (LiFePO4) battery is equipped with an integrated heating system, allowing it to operate efficiently in cold weather. Thanks to its Bluetooth connectivity, you can monitor its status in real-time and manage it remotely.
Why choose it?
Features:
Whether you want to power your RV, your solar system, or simply have a reliable backup energy source, the PowerBrick+ Smart BT + Heater is the ideal solution.

The PowerBrick 12V-135Ah ‘Smart BT + Heater’ lithium-ion battery stands out for its high level of safety thanks to the use of cylindrical lithium iron phosphate (LiFePO4 or LFP) cells.
It also incorporates an innovative Battery Management System (BMS) directly into its casing, ensuring particularly safe operation. This BMS continuously monitors and balances the battery cells, thereby helping to protect the battery and extend its service life. It also prevents risks associated with misuse, such as deep discharge or excessive charging voltage.
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Important notice for our customers in Belgium:An environmental levy of €37.57 excluding VAT must be applied to the purchase of each PowerBrick+ PB+B/H12/135 - 135 Ah lithium battery. Please add the corresponding product when purchasing this lithium battery. Further information at the bottom of the page. |
The PowerBrick range revolutionises energy storage by offering a superior alternative to lead-acid batteries. With four times the energy density, it delivers increased power without adding weight or bulk.
LiFePO4 (Lithium Iron Phosphate) technology offers energy efficiency far superior to conventional batteries.
Equipped with a latest-generation BMS (Battery Management System), the battery manages its own protection and optimisation.
A sustainable investment designed to last for over a decade.

| Technical specifications: 12.8V 135Ah lithium battery | |
|---|---|
| ELECTRICAL SPECIFICATIONS | |
| Nominal voltage | 12.8 V |
| Nominal capacity | 135 Ah |
| Energy | 1728 Wh |
| Internal resistance | 1 mΩ |
| Number of cycles | > 3000 cycles |
| Self-discharge / Efficiency | < 3% per month / > 98% |
| CHARGE | |
| Charging voltage | 14.4 V ± 0.2 V |
| Charging mode | CC/CV (Constant Current / Constant Voltage) |
| Maximum continuous current | 70 A / 100 A |
| BMS cut-off (Charge) | 14.8 V ± 0.1 V |
| DISCHARGE | |
| Continuous discharge current | 135 A |
| Maximum current (< 30 s) | 200 A |
| Peak current (300 ms) | 800 A |
| BMS cut-off voltage | 10 V |
| ENVIRONMENT & MECHANICAL | |
| Temperature range | Charge: -20°C to +55°C / Discharge: -20°C to +60°C |
| IP rating / Housing | IP 65 / ABS |
| Cell type | Cylindrical |
| Dimensions (W x D x H) | 260 x 170 x 208 mm |
| Weight / Terminals | 13 kg / M8 bolt |

As part of our commitment to regulatory compliance and environmental responsibility in Belgium, we would like to inform our customers that the purchase of aPowerBrick+ PB+B/H12/135 - 135 Ahlithium battery is subject to a mandatory environmental levy.
An amount of €37.57 excluding 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+B/H12/135 - 135 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.
Batterie lithium PowerBrick+ Smart BT + Heater 12V 135Ah PB+B/H12/135 by PowerBrick+ is available in our Lithium battery catalog. Technical specifications: voltage: 12V, technology: Lithium, battery capacity: 135 Ah, width: 260 mm, height: 208 mm, thickness: 170 mm, weight: 13 kg. Product weight: 13.0 kg. Reference: PB+B/H12/135.
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