User Tools

Site Tools


electrical:12v:lifepo4_batteries_thread

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Next revision Both sides next revision
electrical:12v:lifepo4_batteries_thread [2017/10/28 17:54]
frater_secessus [three stage chargers]
electrical:12v:lifepo4_batteries_thread [2017/12/09 17:49]
frater_secessus [Synopsis of C&S LiFePO4 batteries thread]
Line 9: Line 9:
 The Cruisers and Sailing forum has a 300+ page [[http://www.cruisersforum.com/forums/f14/lifepo4-batteries-discussion-thread-for-those-using-them-as-house-banks-65069.html|LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks]] thread.   The Cruisers and Sailing forum has a 300+ page [[http://www.cruisersforum.com/forums/f14/lifepo4-batteries-discussion-thread-for-those-using-them-as-house-banks-65069.html|LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks]] thread.  
  
-There is gold in the thread but it can be hard to find.  This page attempts to distill the thread down to currently known best practices with LiFePO4 batteries, providing links back to the thread for context-checking.+There is gold in the thread but it can be hard to find.  This page attempts to distill the thread down to best practices for RV/campervan use of LiFePO4 batteries.  Links are provided so readers can go back to the thread for context-checking and critical examination.
  
  
Line 31: Line 31:
   * sensitivity to excessive ambient heat (>95F?)((http://www.cruisersforum.com/forums/f14/lifepo4-batteries-discussion-thread-for-those-using-them-as-house-banks-65069-175.html#post1207749))   * sensitivity to excessive ambient heat (>95F?)((http://www.cruisersforum.com/forums/f14/lifepo4-batteries-discussion-thread-for-those-using-them-as-house-banks-65069-175.html#post1207749))
   * cannot be charged below 32F   * cannot be charged below 32F
 +
 +Maine Sail has discussed [[http://www.cruisersforum.com/forums/f129/lithium-batteries-or-agm-194029-2.html#post2522585|the most common errors made by RVers]] vis-a-vis lithium.
 +
  
 ===== Charging ===== ===== Charging =====
Line 71: Line 74:
   * no BMS required   * no BMS required
  
-This barefoot (no BMS) and Frac-C approach will be called **Terrycharging** below.  +For lack of a better term, this barefoot (no BMS)/ middle 80% / fractional-C approach will be called **Terrycharging** below.  
  
 ==== LiFePO4 characteristics ==== ==== LiFePO4 characteristics ====
Line 132: Line 135:
  
 ===== alternator charging ===== ===== alternator charging =====
-Unless the alternator's output voltage is dropped with an external regulator the charging voltage will probably be high enough to damage your LFP cells.+Unless the alternator's output voltage is reduced it can be high enough to damage your LFP cells (ie, > 13.8v).
  
-Diode-based battery isolators FIXME 
  
  
electrical/12v/lifepo4_batteries_thread.txt ยท Last modified: 2023/10/20 13:48 by princess_fluffypants