Lithium Ion battery 48V 105Ah – LiFePO4 – PowerBrick®
PowerBrick+48V-105Ah-Pro
PowerBrick_48V-105Ah - M8 Connector
PowerBrick+48V-105Ah-Pro
PowerBrick_48V-105Ah - M8 Connector

Lithium Ion battery 48V 105Ah – LiFePO4 – PowerBrick®

2 820.00 € – 3 243.00 €

LiFePO4 Battery pack 48V-105Ah
with built-in BMS (Battery management System)

What difference between STANDARD and PRO ?

Key Points

PowerBrick Standard
Standard version
not available for this product		 PowerBrick Pro+New cell Generation
+ matched cells
Operation Life --- 3000 Cycles at 100% DoD
4500 Cycles at 80% DoD
Continuous discharge current --- 120A (6.14kW)
30s continuous discharge --- 200A (10.24kW)
Maximum continuous charge --- 100A
Serial assembly --- up to 4 units in series
Parallel assembly --- up to 16 units
Protection --- Sealed case IP66
(More...)
Energy Efficiency <font style="font-size: 10px;color: red;"5--- 98%
Commercial warranty --- Up to 5 years

Key Points

    • Battery pack using Lithium Iron Phosphate (LFP) technology
    • Nominal voltage : 51.2V
    • Long life : 2000 – 5000 Cycles
    • Weight : 37.5 Kg
    • Dimensions : 500mm x P : 239mm x H : 217 mm
    • High safety with advanced Built-in Battery Management System
    • Monitoring of cell and PCB temperature, current, voltage, reverse polarity, etc.
    • Can be connected in parallel up to 16 units (Pro Version)
    • Can be connected in series up to 4 units
    • PowerBrick PRO : 4500 cycles at 80% DOD (see chart tab)
    • Operating temperature in charge : 0°C à +60°C
    • Operating temperature in discharge: -15°C à +60°C
    • 100% Maintenance free
    • RoHS et UN38.3 certification
PowerBrick Lithium Ion battery 2 years warranty PowerBrick Lithium Ion battery 5 years warranty

Lithium Ion battery 48V-105Ah - LiFePO4 - PowerBrick®

This Lithium-ion 48V-105Ah battery has been designed thanks to the know-how of PowerTech Systems, french company specialized in the conception of high performance lithium-ion batteries.

Safety

The PowerBrick® 48V-105Ah battery offers a high level of safety through the use of cylindrical cells using Lithium Iron Phosphate LiFe (LiFePO4) technology. the battery embeds an innovative control system (BMS, Battery Management System) that ensures a very high level of safety during operation. The BMS constantly monitors and balances the cells of the battery. BMS also protects battery from misuse and increases its lifespan.

The 48V-105Ah lithium battery is protected by a waterproof ABS case that resists to water projection and dust (IP55 for PowerBrick® STANDARD battery or IP65 for PowerBrick® PRO+ version).

Designed for Drop-In replacement of lead-acid batteries

The PowerBrick® product line has been designed to replace lead-acid batteries. It offers high energy density, for a low weight and a small space requirement.
The electrical parameters of PowerBrick® are compatible in all respects with those of a 48V lead-acid battery. There is almost never need to replace original charger to use a PowerBrick®, as soon as the charger is delivering voltage within the product specification.

Caution : This battery is a traction or utility battery designed to deliver high levels of current. It may not be suitable for starting an internal combustion engine.
If you nevertheless have to crank an internal combustion engine, check that the current level of the starter motor is compatible with the maximum current that the battery can deliver.
If you are looking for a dedicated engine start battery, please see the PowerStart product range.

Easy installation

Each PowerBrick 48V-105Ah lithium battery has a nominal voltage of 51.2V. It can be connected in series (up to 4 batteries in series) and in parallel (up to 16 batteries for PRO version). Thanks to its technology, the PowerBrick 48V-105Ah battery can be installed in any position (lying on the side, upside down, etc.).
The final assembly voltage can be from 48V, up to 192V (with 4 elements in series). This covers almost most common electrical applications (traction, solar storage, wind power).
For an application with a voltage greater than 75VDC, the installer must be trained to the risks of low voltage (LV)

The 48V-105Ah LFP battery pack is ideal for wind and solar energy storage, AGV (automated guided vehicle), marine, boats, traction, small EV, forklifts, robotics, and much more...

Lithium Iron Phosphate (LiFePO4) batteries have a lower ecological footprint

The PowerBrick® 48V-105Ah is designed to drop-in replacement of old generation Lead acid batteries. VRLA and AGM batteries provides poor performances and are harmful for the environment through the use of heavy metals and acid electrolytes.

Commercial Warranty

PowerBrick Lithium Ion battery 2 years warranty PowerBrick Lithium Ion battery 5 years warranty

Technical Charts

PowerBrick 48V-105Ah - Discharge Curves at different rates
PowerBrick 48V-105Ah
Discharge curves at different rates
PowerBrick 48V-105Ah - Discharge Curves at different temperatures
PowerBrick 48V-105Ah
Discharge curves at different temperatures
PowerBrick 48V-105Ah - Voltage Curves as a function of State Of Charge
PowerBrick 48V-105Ah
Voltage Curves as a function of State Of Charge
PowerBrick 48V-105Ah - Charge Curves at 0.5C rate
PowerBrick 48V-105Ah
Charge Curves
at 0.5C rate
PowerBrick 48V-105Ah - Expected cycle life at different Depth of Discharge (DoD)
PowerBrick STANDARD 48V-105Ah
Expected cycle life at different Depth of Discharge (DoD)
PowerBrick 48V-105Ah - Expected cycle life at different Depth of Discharge (DoD)
PowerBrick PRO+ 48V-105Ah
Expected cycle life at different Depth of Discharge (DoD)
PowerBrick 48V-105Ah - Self-Discharge as a function of time and temperature
PowerBrick 48V-105Ah
Self-Discharge as a function of time and temperature

Dimensions

PowerBrick 48V-105Ah - Power Terminal
Power Terminal
PowerBrick 48V-105Ah - Side
Dimensions
Side view
PowerBrick 48V-105Ah - Top
Dimensions
Top view

Frequently Asked Questions - PowerBrick® product line

What are the differences between PowerBrick® Standard and PowerBrick® Pro version ?

The main differences between the professional range (PowerBrick® Pro+) and the consumer range (PowerBrick® Standard) are:

  • The Standard range uses high quality LiFePO4 Lithium cells which allow to reach 2000 cycles at 100% depth of discharge at 1C.
  • The PRO+ range uses a new generation of Lithium cells, with better performance. These cells allow to reach 4500 cycles at 80% DoD.
    In addition, these cells are sorted and matched for the constitution of the pack. This guarantees a homogeneous ageing over time and better performances.
  • The Pro+ range uses a more robust embedded BMS that allows higher power levels than the Standard range. This is particularly useful for applications using high inrush currents (starting an electric motor, accelerating a vehicle, starting a microwave oven, refrigerator, air conditioning, etc.)
  • Different IP (International Protection) level of the product enclosure.
  • Limitation on the number of battery that can be assembled in series and / or parallel.
  • Higher energy efficiency for the PRO+ range
  • Warranty period limited to 2 years on the standard range, 5 years for the professional range.

All datasheets are available for each product, making it possible to compare the performances of the different products.

For example, here are the differences between the two ranges for the PowerBrick 12V-100Ah:

PowerBrick Standard
PowerBrick Standard		 PowerBrick Pro+
PowerBrick Pro+New cell Generation
+ matched cells
Operation Life 2000 Cycles at 100% DoD
3000 Cycles at 80% DoD		 3000 Cycles at 100% DoD
4500 Cycles at 80% DoD
Continuous discharge current 80A (1kW) 125A (1.6kW)
30s continuous discharge 130A (1.7kW) 200A (2.56kW)
Maximum continuous charge 50A 100A
Serial assembly up to 4 units in series
Parallel assembly up to 4 units up to 10 units
Protection Sealed case IP55
(More…)		 Sealed case IP65
(More…)
Energy Efficiency 96% 98%
Commercial warranty 2 years Up to 5 years
How safe are Lithium-Ion PowerBrick® batteries ?

PowerBrick® batteries are using Lithium Iron Phosphate chemistry (LFP) that is one of the most safe Lithium-Ion technology. This chemistry is not subject to thermal runaway, is non-flammable and is considered as non-hazardous by international regulation standards.

Each battery is fitted with a high quality Battery Management System (BMS) that ensure a safeguard role during battery operation. The BMS is designed to deliver high power in complete safety for a very large spectrum of applications,

What can i use PowerBrick® battery for ?

PowerBrick® batteries are commonly used for Marine, Recreational vehicles, Golf Cart applications, CCTV, robotics, PV energy storage, etc. PowerBrick® Battery can be used for any system or application that would normally use Lead acid battery (AGM, GEL) in 12V, up to 48V.

After removing your old batteries, place PowerBrick® battery in the same way. You may use the same cables to reconnect PowerBrick® battery.

Do i need to recharge battery immediately after operation ?

PowerBrick® lithium-ion 12V, 24V or 48V batteries can be partially charged or discharged unlike Lead Acid batteries that needs to be fully charged after use or before storage. For instance, you can leave your battery half charged for some weeks without any issue.

If you plan to store battery for a long period (> 2 month), you need to charge battery at minimum 25% of SoC (State of Charge) before storage. It is necessary to check battery voltage every 6 month during storage.

Does the PowerBrick® battery is suitable to crank an internal combustion engine?

The PowerBrick® battery is a traction or utility battery designed to deliver high levels of current.
Depending on the type and displacement of the engine, the battery may not be suitable for starting the engine.
Check that the starter current level is compatible with the maximum current that the battery can deliver.

If you are looking for a dedicated engine start battery, please see the PowerStart product range.

Is the PowerBrick® compatible with my alternator?
Alternator are usually regulated and provide a voltage between 14.2V and 14.8v when operating.
PowerBrick® battery has a built-in BMS that is able to limit charge current when voltage is greater than 14.4V : unlike conventional Lithium starter batteries, the BMS does not immediately cut-off charge as soon battery is reaching maximum voltage, but it will decrease incoming current using a PWM (Pulse Width Modulation) device until battery is totally charged and balanced.

This innovative BMS system allow full protection and charge, even if alternator is not properly regulated or if it delivers a slightly voltage greater than battery max charge voltage.
How do I charge a PowerBrick® Lithium-ion battery ?

PowerBrick® lithium ion technology uses the latest and most advanced built-in battery management system (BMS) to monitor and prevent damage to the battery during use. You may utilize a Lead-acid charger with PowerBrick® Lithium battery, but some customers prefers using a Lithium charger to keep a better lifespan.

Several charging sources are possible:

  • Alternator: Most alternators (marine, RV, cars) will efficiently charge PowerBrick® lithium ion technology as soon alternator charge voltage is between 14.0V and 14.6V (for a 12V battery)
  • Conventional Lead-Acid battery charger: PowerBrick® Battery Management System (BMS) is designed to be compatible with standard chargers. You need to check that charger has a built-in CC/CV charge algorithm (Constant Current / Constant Voltage) and charger maximum voltage is comprised between 14.0V and 14.6V (for a 12V battery)
  • Lithium-Ion charger: This is the best way to charge PowerBrick® Lithium-ion battery. These chargers embeds some dedicated charge algorithm with precise charge voltage. It also manage efficiently charge floating voltage and duration in order to maximize battery life span.
How long does a PowerBrick® battery last ?

PowerBrick® batteries using Lithium-Iron-Phosphate technology and equipped with advanced BMS system, offer the following features:

  • PowerBrick Standard: 2000 charge-discharge cycles at 100% DoD (depth of discharge). 3000 Cycles at 80% DoD
  • PowerBrick Pro+ : 3000 charge-discharge cycles at 100% DoD (depth of discharge). 4500 Cycles at 80% DoD
Once this number of cycles has been completed, the battery will still be able to deliver about 80% of its initial energy.
  • Example #1: A PowerBrick Pro+® 12v-100Ah, after being discharged at 80% DoD during 4500 cycles, is now a 12V battery with a capacity of 80Ah.
  • Example #2: A PowerBrick Standard® 12v-100Ah, after being discharged at 100% DoD during 2000 cycles, is now a 12V battery with a capacity of 80Ah

In term of time duration, If you discharge 80% of the PowerBrick® and then recharge it every day, 7 days a week for height years, you will still have 80% of usable battery energy left. This is a large increase in lifespan compared to a conventional Lead Acid battery (AGM, Gel) rated at 500 cycles for 50% DoD cycles.

What is the Battery Management System (BMS) and how does it work ?

Each PowerBrick® embeds a built-in BMS. This BMS is a high-tech design that manage two main aspects of battery during operation :

Protection features :
  • Low Voltage Protection Switch – Automatically disconnects at 10.0V
  • Over Voltage Protection Switch – Automatically disconnects at 14.8V
  • Short Circuit Protection Switch – Automatically and safely disconnects battery
  • Reverse Polarity Protection Switch – Automatically and safely disconnects battery
  • Over temperature – Automatically shut-down battery until normal temperature recovery
Balancing features :
  • Internal cell balancing – Automatically balances PowerBrick® cells during battery operation. Balancing algorithm has been developed to ensure perfect balance between cells throughout battery life.
  • Charge Balancing – for PowerBrick® connected in parallel and/or in series, the BMS will balance each PowerBrick® independently, in order to provide a constantly balanced battery system.
How to place Lithium-Ion batteries?

The PowerBrick® products are designed around an assembly of sealed cells. There is no risk of electrolyte leak. The whole of the block cells and embarked electronics is firmly fixed in the battery casing.

All our batteries can be placed in any positions (tilted or lying). There is no obligation to install them upright, as for the conventional batteries in Lead/AGM.
Download {product}} Specification
PowerBrick 48V-105Ah PRO Specification
Download PowerBrick 48V-105Ah PRO Product Specification

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