Lithium Ion battery 12V 55Ah – LiFePO4 – PowerBrick®
The PowerBrick Lithium Ion battery 12V 55Ah offer a high level of security through the use of cylindrical cells Lithium Iron Phosphate (LiFePO4) and a built-in BMS.
This product has been designed with the great know-how of PowerTech Systems company, specialized in high performance Lithium-Ion batteries.
PowerBrick product line is designed to replace lead batteries, offering more than doubled capacity and twice lower weight.
Each battery has a 12V nominal voltage. It can be assembled in series (up to 4 items) or/and parallel (up to 4 items). Operating voltage can then be set to 12V, 24V, 36V or 48V.
The battery is enclosed in a sealed ABS case, resistant to moisture and dust (IP56).
PowerBrick battery systems are lightweight, reliable and environmentally-friendly solutions for multiple usages. These batteries can take place as a direct drop-in replacement of old-fashion and low-performance Lead Acid batteries (VRLA, AGM, etc.).
The PowerBrick product line is covered by a 2 years commercial warranty
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 batterie in the same way. You may use the same cables to reconnect PowerBrick battery.
Do i need to recharge battery immediately after operation ?
PowerBrick 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.
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, 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 14.8V
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 14.8V
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 advanced lithium-ion technology will provide you with 3000 complete charge and discharge cycles at 80% DoD (Depth of Discharge). After 3000 cycles, you will still have over 80% of usable energy left. In case you discharge PowerBrick at 65% DoD rate, you can expect to get 5000 cycles.
Example 1: One PowerBrick 12V-100Ah battery, after being discharged at 80% DoD for 3000 cycles, is now a 12v 80ah battery.
Example 2: One PowerBrick 12V-100Ah, after being discharged at 65% DoD for 5000 cycles, is now also a 12v 80ah battery.
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 15.0V
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.
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