Li-ion protection circuit

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Lithium-ion battery cycle life

Batteries should be stored and installed in a clean, cool and dry place, keeping water, oil, and dirt away from the batteries. If any of these materials are allowed to accumulate on the batteries, tracking and current leakage can occur, resulting in self-discharge and possible short-circuits. Battery chargers should also be installed in well-ventilated, clean areas that are easily accessible. The recommended operating temperature range is between -4°F to 122°F (-20°C to +50°C) with a humidity of <90%. Elevated battery electrolyte temperatures of >80°F (27°C) will reduce operating life, while lower battery electrolyte temperatures of <80°F (27°C) will reduce battery performance. It is important to minimize temperature variations between the cells, therefore, do not arrange the batteries where they are too tightly ow. The batteries should have a minimum of 0.50” (12.7 mm) of space between . There are no liquids in the Deep Cycle Batteries. Because the chemistry is a solid, the battery can be mounted in any direction and there are no worries about lead plates cracking from vibration.

Many battery users are unaware that lithium-ion batteries cannot be charged below 0°C (32°F). Although the pack appears to be charging normally, plating of metallic lithium can occur on the anode during a sub-freezing charge. This is permanent and cannot be removed with cycling. Batteries with lithium plating are more vulnerable to failure if exposed to vibration or other stressful conditions. Lithium-ion batteries do warm up quickly with use as compared to lead-acid, so you may be able to get them above freezing with some use, allowing for a charge. It all depends on how cold of an environment you have and caution is advised.

Our Ionic lithium marine batteries are created with the highest quality materials. Built for the long haul, these batteries will provide you with countless hours of enjoyment on the water.

Lithium-ion charge Chemistry

Note: For safety reasons, the charger times out and stops charging after 72 hours of continuous use. This is indicated by blinking red LEDs. To activate the charger again, simply disconnect and reconnect the power cable.

This figure shows the most basic connection between a battery charger and a single battery. The green “APPLICATION” box refers to the final application the battery is powering like your recreational vehicle or golf cart. The dashed charger cables are often a temporary connection but could be permanent if desired.

Below are some specific brands and models that are confirmed to work with Ionic lithium batteries.  Other models will not charge the batteries completely.

Marine Starter Batteries Lawn Mower Batteries Semi Truck Batteries Heavy Duty Truck Batteries Yellow Iron Equipment Batteries

Lithiumion chargingcircuit

If your charger puts out 14.2 to 14.6 volts to the battery when charging on the AGM setting it will charge with Ionic lithium batteries.

Proper charging is imperative to maximize battery performance. Both under-reduce the life of the battery. Most chargers are automatic and pre-programmed, while others are manual and allow the user to set the voltage and current values. Never charge a frozen battery. Ionic Deep Cycle Batteries may be used below freezing but charging below freezing causes plating/crystallization which weakens the battery making it more likely to fail due to vibration or hard use. Avoid charging at temperatures above 122°F (50°C).

Overview of multi stagechargingstrategies for Li-ion batteries

LiFePO4 batterycharging

The following pages additional configurations recommended by Ionic for battery bank wiring and charging. If you have any questions do not hesitate to call us at 704-360-9311.

Our experts are just a click (or a call) away. Get fast, expert battery advice from a real human, located right here in the USA.

Lithium-ion batteries capacity decreases when operating below freezing temperatures( 32F/ 0C). The current is still available, but the stored capacity will decrease. The colder the temperature the less capacity available. Both lead-acid and lithium-ion cells have increased internal resistance as the temperatures fall. Lithium batteries have more internal resistance in extreme cold temperatures of 0°F (-18°C) or lower, however, the batteries can be warmed up much quickly simply by putting a load on the battery, such as turning on your headlights for 15 to 30 seconds. Since Ionic batteries have substantially lower mass than lead-acid batteries, they warm up much quicker.

Golf Cart Batteries Solar Batteries Commercial Batteries Mobility Scooter Batteries Heated LiFePO4 Batteries Wheelchair Batteries

We’re always adding incredible lithium products to our lineup. Want to be the first to know when they drop? Sign up for LithiumHub updates, and get the inside scoop on exclusive deals and exciting new additions.

Li-ion Battery Charger

Ionic Lithium LiFePO4 batteries aren’t just for play. Put them to work in your commercial applications, scooter, UTV, or lawnmower setups. Shop batteries by application below.

The charger voltage should always match the battery voltage or less. The newest Ionic chargers are designed to be left connected and powered on continuously. Chargers that do not have a “trickle charge” feature should be discontinued after the charging process is completed. To slow charge a battery use a charger with a amperage that about 10 percent of the batteries total amp-hours. To do a fast charge use a charger output that is about 40-45 percent of the batteries amp-hours of the batteries amp-hours. Slow charging results in lower battery temperatures and enhances the longevity of the battery and is therefore recommended by Ionic when possible. As an example, using a 100Ah battery, you would slow charge it by using a 10A charger and the battery would take about 10 hours to charge. You would fast charge it by using a 45A charger and it would charge in a little over 2 hours to charge. (See TABLE 5, PAGE 16 for our charger recommendations for each Ionic model)

The positive charger output {red) connects to the positive(+) battery post. The negative output (black) connects to the negative(-) battery post. Always remember:

Lithium-ion battery

For Ionic 12V Deep Cycle batteries, you should set your charger profile to charge up to 14.6 volts for 30 minutes and then float charge at 13.8 volts. For 24V Deep Cycle batteries, you should set your charger profile to charge up to 29.2 volts for 30 minutes and then float charge at 27.6 volts. For 48V Deep Cycle batteries, you should set your charger profile to charge up to 58.4 volts for 30 minutes and then float charge at 55.2 volts. Note that all 12V batteries above 12Ah, configured in Series, must be charged individually at 12V. Our 12V 12Ah battery has speci ic circuitry that will allow the batteries to be charged in series as conf charged with a 24V charger).

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