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Copy of Victron Lifepo4 12.8/200Ah Smart Battery 12.8V 200AH 2560WH #1

Victron EnergySKU: BAT512130620

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Sale price€1.451,48 EUR Regular price€2.205,07 EUR

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Description

Space and weight-saving batteries with lithium iron phosphate technology from Victron

 

Why lithium iron phosphate?
The lithium iron phosphate (Lifepo4 or LFP) battery is the safest of the regular lithium-iron battery types. The nominal voltage of an LFP cell is 3.2V (lead acid: 2V/cell). A 12.8V LFP battery therefore consists of 4 cells connected in series and a 25.6V battery consists of 8 cells switched into series.

Robust
In the following cases, a lead-acid battery is failed prematurely due to sulfating:

  • If it is in operation for a long time in insufficiently charged condition (i.e. if the battery is rarely or never fully charged).
  • If it is left in a partially invited or what is worse, completely discharged condition (yacht or motorhome during the winter).

An LFP battery does not have to be fully charged. The operating life increases even easily if the battery is only partially charged instead of fully. This is a significant advantage of LFP batteries compared to lead-acid batteries.
Further advantages concern the wide operating temperature range, excellent cycling, low internal resistance and a high efficiency (see below).
The LFP battery is therefore the best choice for demanding use.

Efficient
In the case of numerous possible uses (especially for network-independent solar and/or wind turbines), the level of energy use can be of decisive importance.
The level of energy use of a charging cycle (unloading 100% to 0% and recharging to 100%) of an average lead-acid battery is approx. 80%. However, the level of energy use of an LFP battery is 92%.
The loading process of a lead-acid battery becomes particularly inefficient when the 80%mark of the state of charge has been reached. This leads to levels of energy use of only 50%.
In the case of solar systems, this value is even lower, as energy reserves are required for several days (the battery is between 70% and 100% in a charging status).
An LFP battery, on the other hand, still achieves an energy use level of 90%, even if it is in a flat unloading state.

Size and weight
Space savings of up to 70% weight saving of up to 70%

Expensive?
LFP batteries are expensive compared to lead-acid batteries. However, the higher acquisition costs in the event of demanding possible uses will be more than paid for due to the longer operating life, the high reliability and the excellent level of energy use.

Bluetooth
Cell voltages, temperature and alarm status can be monitored via Bluetooth. This is very useful to recognize a (possible) problem like a cell light weight.

Battery management system (BMS)
The BMS can be connected to the BTVs and affect its most important functions:

  • The interrupting or switching off of the load when the voltage of a battery cell drops below 2.5 V.
  • Stopping the loading process when the voltage of a battery cell increases to over 4.2 V.
  • Switch off the system when the temperature of the cell exceeds 50 C.

Victron's LFP batteries have an integrated cell compensation and a cell monitoring function. Up to ten batteries can be switched in parallel and up to four batteries in series, so that a 48 V battery can be assembled with up to 3000 AH. You can find an exemplary interconnection in the product images. The cables of the cell compensation/monitoring function can be chained together and must be connected to a battery management system (BMS).

Technical data:

 

GPSR Information

Hersteller
Name: Victron Energy BV
Anschrift: The Palm 35
PLZ, Ort: 1351, JG Almere
Land: Netherlands
Email: sales@victronenergy.com
Web: https://www.victronenergy.com

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