How do you protect lithium-ion batteries?
Boosting Battery Life
- Use partial-discharge cycles.
- Avoid charging to 100\% capacity.
- Select the correct charge termination method.
- Limit the battery temperature.
- Avoid high charge and discharge currents.
- Avoid very deep discharges (below 2 V or 2.5 V)
What device is intended to prevent over discharge in a lithium-ion battery?
Protection Circuit Module
The Protection Circuit Module (PCM) is an electronic circuit that can protect the battery against overcharge, over discharge, short circuit, and over current.
How do you protect battery discharge?
For deep discharge protection, we need to identify the cut-off voltage of the battery. After that, we need to design a circuit in which, when the battery reaches the cut-off voltage level, a switch disconnects the load from the battery. For cut-off voltage identification, we will choose a Zener diode.
Can lithium-ion batteries be fully discharged?
Unlike NiCad batteries, lithium-ion batteries do not have a charge memory. That means deep-discharge cycles are not required. Battery experts suggest that after 30 charges, you should allow lithium-ion batteries to almost completely discharge.
How far can you discharge a lithium battery?
LiFePO4 batteries can be continually discharged to 100\% DOD and there is no long-term effect. However, we recommend you only discharge down to 80\% to maintain battery life.
Do lithium batteries need venting?
Lead-acid batteries that are installed in RVs require venting because of the hydrogen gas that is created when the battery is being charged. In contrast, lithium-based batteries do not vent during the charge cycle.
Can you over-discharge a lithium-ion battery?
A lithium-ion battery (LIB) may experience overcharge or over-discharge when it is used in a battery pack because of capacity variation of different batteries in the pack and the difficulty of maintaining identical state of charge (SOC) of every single battery.
Can you fully discharge lithium batteries?
Unlike other types of batteries that need to be recharged throughout their storage time, lithium batteries do better at 40\%-50\% DOD (depth of discharge). Pro-Tip: After every 30 charges, allow your lithium based battery to completely discharge before recharging. This helps to avoid a condition called digital memory.