Then switch to the low voltage. But it will eventually reach the desired SOC. Therefore, the gravimetric energy density of LiFePO4 battery is 130Wh/kg, four times higher than that of Lead-acid battery, 35Wh/kg. As I know, the LiFepo4 battery can afford low temp even below 0℃ to -40℃, can you equip a customized BMS to prevent the low-temperature condition? Dakota Lithium deep cycle LiFePO4 battery with 100 Amp hours of capacity for high amp draw trolling motors or for long days on the open road in your RV. The typical SLA has 500 cycles. Important tips to keep in mind: When charging lithium iron phosphate batteries below 0°C (32°F), the charge current must be reduced to 0.1C and below … SMART ELECTRONICS: All Dakota Lithium Batteries include Battery Management System (BMS) technology that controls cell balancing, low and high voltage cutoff, short circuiting, as well as high temperature protection for increased performance and longer life. Discharge Cut-off Voltage ≥10V ≥10V ≥10V Temperature Parameters Operation Temperature Range (60±25% R.H.) Charge 0～45℃ 0～45℃ 0～45℃ Discharge -20～60℃ -20～60℃ -10～50℃ Recommended 23±5℃ 23±5℃ 23±5℃ Storage Temperature Range (60±25% R.H.) Less than 1 year 0～25℃ 0～25℃ 0～25℃ Less than 3 LiFePO4 Battery Maintenance. This function chooses the optimal voltage charging range, and determines when the battery is fully charged. How are LiFePo4 different from LiFe, a different cuttoff voltage? Keep in mind that when you set the low voltage cut off of the inverter charger to 11.5 volts (the point when your LiFePO4 batteries are empty), you will prevent this issue. ... low voltage cutoff, high voltage cutoff, short circuit protection and high temperature protection for increased performance and longer life. Lasts 5 times longer than other batteries. This is a pretty old thread from about the time that the LiFe batteries started showing up as a less expensive alternative to the A123 batteries, so some folks used the full chemical abbreviation name for the batteries; Li= Lithium, Fe = Iron, PO4 = Phosphate. such as protection of cut-off at 5℃ or -5℃, or you can set the alarm of specific temp. LiFePO4 is typical for "our usage" (solar, RVs, etc.). b) use coulomb counting and only use the higher charging voltage when SOC is < 80%. In our test, we saw the charger bring our batteries voltage up to 14.56 V, delivering roughly 38 A of current. Only use LiFePO4 battery chargers, fully charge the battery for the first time. It is relatively safe (should not catch fire/explode if miss-charged or miss-handled). However, exceeding high or low voltage … Low Voltage Cutoff 11V - 12V 22V - 24V 44V - 48V High Voltage Cutoff 14.6V 29.2V 58.4V Charging with an Alternator Depending on the quality of the alternator it may work fine with LiFePO4 batteries. You may feel comfortable using a 10-cell LiFePO4 pack with a motor drive with a low-voltage cut-off of … Even a load with a low voltage cut-off cannot prevent this problem: the total battery voltage may very well be above the cut-off point, yet an individual cell may be over discharged. The charge cut-off current is 5% of the capacity, so the cutoff for both batteries would be 0.5A. Its specific capacity is more than 145Ah/kg. IMO, individual cell monitoring is always a good idea. In comparison, the lithium iron phosphate (LiFePO4) cell is a non-aqueous system, having 3.2V as its nominal voltage during discharge. LiFePO4 batteries have significantly more capacity and voltage retention in the cold when compared to lead-acid batteries. Typically, the terminal current setting is determined by the charger. Universal chargers will typically have a function to select the chemistry. 5. Discharge Cut-off Voltage: 10V Max Charge Current: 9A Max Discharge Current: 15A ... Can be left on battery and will restart with low voltage signal from battery. Or c) just use the lower (0C) charging voltage and accept the fact that the charge will be lower current, taking longer to charge.