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Anemometer LM-81AMSunsaver SS-20L-24V



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The advantages of a Lithium-ion battery over conventional lead-acid batteries
• High energy density: more energy with less weight;
• High charge currents (shortens the charge period);
• High discharge currents (enabling for example electrical cooking on a small battery bank);
• Long battery life (up to six times the battery life of a conventional battery);
• High efficiency between charging and discharging (very little energy loss due to heat development);
• Higher continuous power available.

Why Lithium-iron phosphate?
Lithium-iron-phosphate (LiFePO4 or LFP) is the safest of the mainstream Li-ion battery types. The nominal voltage of a LFP cell is 3,2V (lead-acid: 2V/cell). A 25,6V LFP battery consists of 8 cells connected in series.

The advantages of the Victron Lynx Lithium-ion battery system
The modular system used adds below advantages:
• The Victron Lithium-ion battery system is easy to install due to its modularity. No complicated wiring diagrams are required.
• Detailed information is available on the waterproof Ion Control display.
• The 350A relay in the Lynx Ion provides maximum safety: in case the chargers or loads do not listen to the commands from the Lynx Ion, the main safety relay will open to prevent permanent damage to the batteries.
• For typical marine installations there is an extra smaller output, so you can still power the bilge pump and disconnect all other house loads by opening the 350A relay.

Complete system
A complete system consists of:
• One or more 24V 180Ah Lithium-Ion batteries.
• (optional) The Lynx Power In, a modular dc bus bar.
• The Lynx Ion is the battery management system (BMS) that controls the batteries. A 350 Ampère safety contactor is inside the Lynx Ion.
• The Lynx Shunt VE.Can, a battery monitor including the main fuse. Note that the fuse needs to be purchased separately.
• (optional) The Lynx Distributor, a DC distribution system with fuses.
• (optional) The Ion Control, a digital control panel.

24V 180Ah Lithium-Ion Batteries
The base of the Victron Lithium-ion battery system is formed by individual 24V/180Ah Lithium-ion batteries. They have a built-in Cell Management System (BMS) which protects the battery on a cell level. It monitors individual cell voltage and system temperature, and actively balances the individual cells. All measured parameters are sent to the Lynx Ion which monitors the system as a whole.

Lynx Ion
The Lynx Ion is the BMS. It contains the 350A safety contactor, and controls the cell-balancing, charging and discharging of the system. The Lynx Ion will protect the battery pack from both overcharging and depletion. When an overcharge is imminent, it will signal the charging devices to decrease or stop charging. This is done with the VE.Can bus (NMEA2000) compatible, and also via the two available open/close contacts. Same when the battery is nearing empty, and there is no charging capability available. It will signal big loads to switch off.

For both over charging and depletion there is a last safety resort, the built-in 350A contactor. In case signaling etcetera does not stop the imminent overcharge or depletion, it will open the contactor.

NMEA2000 Canbus
Communication with the outside world is done via the VE.Can protocol.

Ion Control
See the separate Ion Control datasheet for more information on the display.

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