Advice

Is it good to fully discharge a lithium-ion battery?

Is it good to fully discharge a lithium-ion battery?

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.

How far can you discharge a Li ion battery?

Nearly the whole available battery capacity can be used, with exception of the approximate last 3\% of remaining capacity. Lithium batteries will become permanently damaged if they are discharged too deeply. Lithium batteries can be discharged with high currents. The maximum discharge of the lithium battery is 2C.

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How many cycles will a battery last?

A phone battery is typically designed to last around 500 to 600 cycles, and a cycle is defined as charging a completely dead battery to 100\% then draining it to zero again.

Do lithium-ion batteries discharge over time?

After a full charge, a Li-ion battery will typically lose about 5\% capacity in the first 24 hours, then approximately 3\% per month because of self-discharge and an additional 3\% per month if the battery pack has pack-protection circuitry.

How many times can you recharge a deep cycle battery?

For example, if you have an 80-ampere-hour rated battery, then a load of four amps would discharge the battery in approximately 20 hours (or 16 hours down to the 20\% level). New batteries can take up to 50 charge/discharge cycles before they reach their rated capacity.

How long will a deep cycle battery hold a charge?

20 hours
The standard and most widely accepted rating period for deep cycle batteries is 20 hours. This means that the battery was discharged down to 10.5 volts over 20 hours while measuring the total amp hours it supplies.

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How do you fully discharge a battery?

As SgtWookie noted, an incandescent bulb is a good way to discharge a battery since their resistance reduces as the voltage drops, tending to maintain the discharge current. Just use more lamps or a larger lamp to obtain a faster discharge.

https://www.youtube.com/watch?v=Yf9N9zBgyB8