What are the best measures for maintaining Lithium-Ion Batteries?

Rechargeable Lithium-Ion batteries are widely used in almost every industry — the reasons being their high cell voltage, energy density, excellent cycle life, and low rate of self-discharge. And to the top of that, they are eco-friendly, easy to maintain, and charge. Lithium-ion battery pack manufacturers in India produce top-quality products, but still, users need to take certain measures to increase the battery life. In addition, maintenance of Li-Ion batteries is also important from a safety point of view.

Read on to know about the factors that affect the battery’s life and measures to increase its cycle life –

• Avoid full discharges and allow partial-discharges cycles

Li-Ion rechargeable batteries don’t come with a charge memory. Hence, you should allow partial discharges instead of full discharges. According to the battery experts, lithium-ion batteries should be allowed to discharge completely after 25 charges.

Continuity of partial discharge cycles for a longer period results in digital memory — a condition where the power-gauge accuracy of a device is decreased. To recalibrate the power gauge, allow the battery to reach the discharge cut-off point before recharging it.

• Don’t charge Lithium-Ion batteries to their full capacity

Reduce the float voltage to increase the battery’s service life and cycle life. A 200-mV to 400-mV drop in the floating voltage may double the cycle life of Li-Ion reachable battery. The batteries manufactured by a top-rated Battery pack manufacturer in India have low float voltage. Hence, it is always best to avoid recharging them to their 100% capacity.

• Choose the right method of charge termination

Choose a charger that is efficient in using minimum charge-current as it will extend your battery’s life as it will not be charged to its full capacity. For example, when the current comes down to C/5, the charge cycle should be ended as the float voltage will be reduced to 4.1 V. However, you’ll have to compromise with the battery capacity as it will be charged up to 85% only.

• Keep your Li-Ion battery at room temperature

Limit the battery temperature to extend its life. Prohibit charging at any temperature below 0°C as it will result in metal plating, which affects the battery anode. In extreme cases the excessive heat produced through the internal short phenomenon makes the battery unsafe and unstable. Therefore, it is best to use the battery chargers having battery temperature measurement provision for assuring charging at the right temperatures.

• Avoid high discharge and charge currents

The in-built safety circuit of the battery opens on discharging it below 2V per cell. As a result, the battery turns dead. You may not be able to use the original charger for recharging the battery. Avoid recharging deep-discharged Li-Ion batteries, which have been kept in improper condition for a long period. Li-Ion batteries manufactured by top companies like PPAP Tech don’t deteriorate if maintained properly.

Final Word

Li-Ion batteries may lose their capacity and deteriorate if kept unused for long. Hence, it is not wise to keep a spare battery as it won’t last for long. Keep the aging factor in mind when buying the batteries. Buy the ones with the latest manufacturing date.

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