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How to use our Lithium battery packs efficiently ?

Our specifications of use concerning Li-ion Battery packs

Arts energy offers a wide range of high quality Lithium-ion batteries.

Lithium Ion batteries (also called Li-ion) have become essential. Their high energy density gives them the well-known advantages in terms of weight and volume. Other assets such as their lifetime in cycling, low self-discharge allows development in many applications.

With our partners SONY and PANASONIC, we have access to a wide range of batteries, as well as full technical support. Several technologies are available, each with their specific features and benefits.

 

This comparative table will help you to choose the Lithium technology the more adapted to battery pack.

Whatever the technology, usage precautions apply.

Also, please equip a protection in the application so the application troubles don’t affect the battery. Additionally, ARTS Energy highly recommends embedding these instructions into the owner’s manual.

Safety Instructions for Lithium Ion batteries

The cell contains flammable items such as organic solvents. If the battery is mishandled, it may cause fire, smoke or an explosion and the battery’s functionality will be seriously damaged. Please read and check the following prohibited actions.

Forbidden actions

Immersion

“Do not immerse the battery with liquid such as water, sea water or soda.”

The battery or the battery pack (including protection circuit) may catch on fire, smoke, explode, or cause heat generation by unexpected electrical load.

High Temperature

“Do not use or place the battery near fire, a heater or a high temperatures (more than 80℃).”

The battery’s polyolefin separator may get damaged from the heat and could cause an internal short circuit. This may cause the battery to catch on fire, smoke, explode, or cause heat generation.

Charger and Charge Condition

“Do not use unauthorised chargers.”

If the battery is charged under unacceptable conditions (For example: usage in restricted temperature ranges, over voltage, or over current with unauthorised chargers) the battery may catch on fire, smoke, explode, or cause heat generation.

Reverse Polarity

“Do not force a reverse-charge or a reverse-connection.”

The battery has correct polarity. If the battery doesn’t fit, please check the battery’s orientation and do not force into the battery mount. If the battery is forced to set with a different polarity, the battery may catch on fire, smoke, explode, or cause heat generation.

Direct Connection

“Do not connect the battery with AC plug (outlet) or car plugs.”

The battery requires a specific charger. If the battery connects with the outlet directly, the battery may catch on fire, smoke, explode, or cause heat generation.

Inappropriate Use with Other Equipment

“Do not adapt the battery to unspecified applications.”

If the battery is used for unspecified applications or systems, the battery may get damaged or catch on fire, smoke, explode, or cause heat generation.

Incineration and Heat

“Please keep the battery away from heat and fire”

The battery materials will get damaged and may catch on fire, smoke, explode, or cause heat generation.

Short-Circuit

“Do not make a short-circuit”

Do not connect the + and – terminals with conductive material. Do not carry or store the battery with metal objects (such as wire, necklace or hairpins). If the battery is in a shortcircuit, excessive large current will flow and may catch on fire, smoke, explode, or cause heat generation.

Impact

“Avoid unnecessary impact to the battery”

Unnecessary impact may cause the battery to leak, heat generation, smoke, fire or explode. Also, the protection circuit may break and that will lose the function of the battery’s protection system.

Penetration

“Do not penetrate with a nail or strike with a hammer”

The battery cell may get destroyed or damaged. And the battery’s protection circuit may get damaged and causes an internal short circuit. Additionally, the battery may catch on fire, smoke, explode, or cause heat generation.

Soldering

“Do not directly solder the battery”

The insulator could melt or the gas release vent might get damaged from the heat. Additionally, the battery may catch on fire, smoke, explode, or cause heat generation.

Disassemble and Reconstruction

“Do not disassemble the battery”

If the protection circuit gets damaged, the battery will not be protected. Then, the battery may catch on fire, smoke, explode, or cause heat generation.

Charge near High Temperatures

“Do not charge the battery near high temperatures”

If the battery is charged near high temperatures, the battery may not be able to charge due to the activation of the protection circuit. In these conditions, the protection circuit may break and the battery may catch on fire, smoke, explode, or cause heat generation.

Deformation

“Do not use the battery with conspicuous damage or deformation”

It causes the generating heat, smoke, rupture or flame.

Reverse Charge and Over discharge

“Do not reverse polarity (and terminals)”

On charging, the battery is reverse-charged and abnormal chemical reaction occurs. And also, there may be case that unexpected large current flows on discharging. These cause the generating heat, smoke, rupture or flame.

WARNING

Ingestion

“Keep away from infants”

The battery should be kept away from infants. In case of swallowing the battery, see a doctor immediately.

Storing

“Do not put the battery in the microwave or other cooking appliances”

The battery may on fire, smoke, explode, or cause heat generation due to heat or the electrical impact from the microwave.

Mixed Use

“Do not mix the battery with other batteries.”

The battery should not be used with other batteries with different capacity, chemistry or manufacturer. Do not connect with other batteries or mix with other batteries. The battery may catch on fire, smoke, explode, or cause heat generation.

Rust, Changing Colour and Deformities

“Do not use abnormal batteries.”

Please stop using the battery if there are noticeable abnormalities such as abnormal smell, heat, deformities, or discoloration. The battery may have a defect and may catch fire, smoke, heat generation or explode if used continuously.

Charging Time

“Stop charging if the charging process cannot be finished.”

If the battery cannot finish the charging process within the specified time, please stop the charging process. The battery may catch on fire, smoke, explode, or cause heat generation.

Leakage 

“Do not use a leaking battery near flames”

If the battery or liquid leaking from the battery has a pungent odor, the battery should be kept away from flames. The battery may ignite and explode.

“Do not touch a leaking battery”

If the liquid leaking from the battery gets into eyes, it will cause significant damage. If the leaking liquid gets into your eyes, please flush eyes immediately with pure water. Please consult a physician immediately. If the liquid remains in the eyes it will cause significant damage.

Transport

“Pack the battery tightly during transport”

To prevent short-circuit or damages, please tightly pack the battery into a case or a carton box. Please apply packaging instructions edited by ADR, IMDG or IATA.

CAUTION

Use under Direct Sunlight

Do not use or leave the battery in excessive heat such as in a car in direct sunlight. The battery may catch on fire, smoke, explode, or cause heat generation. Also, it might cause a deterioration of battery’s characteristics and battery life.

Static Electricity

The battery pack has a protection circuit. Do not use the battery where it generates static electricity (more than 100V) that might damage the protection circuit. If the protection circuit is broken, the battery may catch on fire, smoke, explode, or cause heat generation.

Charging Temperature Range

Charging temperature range must be regulated between 0℃ and 45℃. Do not charge the battery out of the specified temperature range. Otherwise, it may cause heat generation, leakage or a serious damage. Also, it might cause deterioration of the battery’s characteristics and battery life.

Manual

Please read the manual before usage. Please save the manual for future reference.

Charging Method

Please read the charger’s manual for the charging method.

First Time Use

Please contact the supplier if the battery has unusual odor, heat generation or rusts during the first usage.

Use by Children

Parents must explain how to use the system and the battery. Please check back periodically to ensure children are using the system and the battery correctly.

Inflammable Materials

Please keep away from flammable materials during the charge and the discharge. It may catch on fire, smoke, explode, or cause heat generation.

Leakage

If electrolyte leak from the battery and adhere to the skin or clothes, immediately flush it with water. Otherwise, it may cause skin irritation.

Insulation

If lead wires or metal objects come out from the battery, please seal and insulate them completely. Otherwise, the battery may cause a short circuit and catch on fire, smoke, explode, or cause heat generation.

Recycle

Please recycle the battery according to local rules or regulations after use.

Charging Instructions for Lithium Ion batteries

This algorithm describes the standard charging method for Li-Ion batteries (except LFP batteries) that does not integrate balancing system. This algorithm must be implemented in the charger, except if other instructions are given by ARTS Energy.

The charger must integrate an overvoltage protection to avoid output voltage exceed Ns x 4.4V and overcurrent protection to avoid output current exceed normal charge current in case of failure of the charger.

Charging Instructions for Lithium Phosphate batteries

This algorithm describes the standard charging method for LFP batteries that does not integrate balancing system. This algorithm must be implemented in the charger, except if other instructions are given by ARTS Energy.

The charger must integrate an overvoltage protection to avoid output voltage exceed Ns x 3.8V and overcurrent protection to avoid output current exceed normal charge current in case of failure of the charger.

Discharging Instructions for Lithium Ion batteries

Discharge temperature range

The discharge temperature should be between -20°C and +60°C

Discharge current

The discharge current should not exceed the maximum current allowed by the battery. This maximum value is mentioned on the label

Discharge cut-off

The discharge cut-off should be more than 0.76 multiplied by the nominal battery voltage.

For example, for a 14.4V battery, the cut-off voltage in the application should be more than 11V.

Over discharge

The battery integrates an over discharge protection circuit which cut-off the discharge current if one cell drops to 2.2 ~ 2.5V.

To avoid damage of this protection circuit at cut-off, the length of the wires between batteries and the application must be less than one meter.

Design of application and charger

The battery should be kept away from heat generating electronic parts in order to avoid deterioration of battery performance.

Shipping Charge

The battery is shipped out with the approximately 30~40%* charged state.

This level allow a storage time of 6 months at temperature less than 25C.

*The 30~40% capacity is the condition in which ARTS ships the battery but it’s not the condition when Customer receives the battery.

Storing conditions for Lithium Ion batteries

Storage Temperature and Humidity (Within 3 months)

Batteries should be stored in a stable environment characterised by low-humidity (less than 70%RH), free of corrosive gasses, and an ambient temperature between -20C and +40C. To prevent rust, avoid conditions that can create condensation such as rapid fluctuations in the ambient.

Long Duration Storage

When long duration storage is required, batteries should be stored in a stable environment characterised by low-humidity (less than 70%RH), free of corrosive gasses, and an ambient temperature between   -20C and +20C. To prevent rust, avoid conditions that can create condensation such as rapid fluctuations in the ambient.

We recommend a partial charged state (40% to 60%) for long duration storage.

Warranty Exemptions

ARTS will not be liable for any damages that are caused by violations of the precautions in this specification.

ARTS will not be liable for any problems caused by design defects of the application and/or chargers.

ARTS will not accept any abnormal batteries that were caused due to any incorrect use.

Others Remarks

If there are problems in this instructions sheet, ARTS will take them into consideration.

ARTS can discuss data or precautions that are not described in this instructions sheet.

Do not use the provided battery for other applications for which it has not been designed.

Battery Warranty Period

The warranty period is defined in sales conditions  from date of shipment. ARTS will replace batteries if it is clear that there was a defect in ARTS’s manufacturing process and that the battery was not misused.

Battery Safety requirements

In order to ensure the safety of the battery, please contact ARTS to discuss the application design from a mechanical or an electrical viewpoint. Also, if there are special conditions (For example: larger current load, a quick charge method or a unique usage pattern), please contact ARTS to check the conditions before the product specification is fixed.

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