Introduction
Thank you for purchasing this NAKAYAMA PRO EC3005 battery pack. Please read this manual carefully and keep it for future reference. This manual provides essential safety rules and operating instructions for the product.
Safety & International Symbols
This section explains the safety and international symbols and pictographs that may appear on this product. Always refer to the operator's manual for complete safety, assembly, operating, maintenance, and repair information.
- [Caution/Warning]: To reduce the risk of injury, the user must read the instruction manual.
- [Fire Hazard]: Do not dispose of battery packs in fire. They will explode and cause injury.
- [Temperature Limit]: Use and store the battery within a temperature below 50°C.
- [Weather Hazard]: Do not use in rain or wet conditions.
- [Water Hazard]: Do not dispose of battery packs in rivers or immerse in water.
- [Disassembly Hazard]: Do not disassemble, crush, heat above 100°C. Never expose the battery to microwaves or high pressures.
- [CE Mark]: The product complies with the applicable European directives and an evaluation method of conformity for these directives was done.
Safety Instructions
WARNING! Read all warnings and instructions. Failure to follow the warnings and instructions can cause electric shock, fire, and/or serious injury. Save all warnings and instructions for future reference.
- Do not dismantle, open, or shred secondary cells or batteries.
- Keep batteries out of the reach of children. Battery usage by children should be supervised. Especially keep small batteries out of reach of small children.
- Seek medical advice immediately if a cell or a battery has been swallowed.
- Do not expose cells or batteries to heat or fire. Avoid storage in direct sunlight.
- Do not short-circuit a cell or a battery. Do not store cells or batteries haphazardly in a box or drawer where they may short-circuit each other or be short-circuited by other metal objects.
- Do not remove a cell or battery from its original packaging until required for use.
- Do not subject cells or batteries to mechanical shock.
- In the event of a cell leaking, do not allow the liquid to come in contact with the skin or eyes. If contact has been made, wash the affected area with copious amounts of water and seek medical advice.
- Do not use any charger other than that specifically provided for use with the equipment.
- Observe the plus (+) and minus (-) marks on the cell, battery, and equipment and ensure correct use.
- Do not use any cell or battery which is not designed for use with the equipment.
- Do not mix cells of different manufacture, capacity, size, or type within a device.
- Always purchase the battery recommended by the device manufacturer for the equipment.
- Keep cells and batteries clean and dry.
- Wipe the cell or battery terminals with a clean dry cloth if they become dirty.
- Secondary cells and batteries need to be charged before use.
- Always use the correct charger and refer to the manufacturer's instructions or equipment manual for proper charging instructions.
- Do not leave a battery on prolonged charge when not in use.
- After extended periods of storage, it may be necessary to charge and discharge the cells or batteries several times to obtain maximum performance.
- Retain the original product literature for future reference.
- Use the cell or battery only in the application for which it was intended.
- When possible, remove the battery from the equipment when not in use.
- Dispose of properly.
Battery Tool Use and Care
- Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.
- When the battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws, or other small metal objects, that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.
- Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.
- Do not use a battery pack that is damaged or modified. Damaged or modified batteries may exhibit unpredictable behaviour resulting in fire, explosion, or risk of injury.
- Do not expose a battery pack to fire or excessive temperature. Exposure to fire or temperature above 130°C may cause explosion.
Description of Main Parts
The battery pack consists of several parts, illustrated in diagrams A and B.
Diagram A:
- 1: Upper cover
- 2: Lower cover
- 3: Light indicator
- 4: Light button
- 5: Unlock button
Diagram B:
- 1: Upper cover
- 2: Unlock button
- 3: Light button
- 4: Light indicator
- 5: Lower cover
Diagram C shows batteries being charged. Diagram D shows the battery pack and an accessory.
Technical Data
| Parameter | Specification |
|---|---|
| Voltage | 20 V |
| Capacity | 4.0 Ah |
Make sure to use the appropriate Nakayama Pro charger for charging the batteries.
Operating Instructions
WARNING! Before using your battery pack, be sure to read the instruction manual carefully. This battery pack has been shipped completely assembled. Carefully remove the battery pack from the box.
When to Charge the Battery Pack
This battery pack is shipped in a low charge condition to prevent possible problems. Therefore, you should charge it prior to first use. This battery pack can be charged at any time. It is necessary to press the light button to see whether the battery pack needs to be charged. When charging, it is important to provide adequate ventilation to avoid damage to the battery pack.
How to Charge the Battery Pack
WARNING! This Lithium-Ion battery pack is shipped partially charged. Fully charge the battery pack before using it for the first time. Charge the Lithium-Ion battery pack only with the correct charger.
- Connect the charger to a power supply; the charger's light indicator turns red.
- Align the raised ribs of the battery pack with the slot in the charger.
- Insert the battery pack into the charger; the charger's light indicator turns green and flashes. The charger will communicate with the battery pack to evaluate its condition.
How to Remove the Battery Pack from the Charger
The battery is fully charged when all four lights on the battery turn on. Disconnect the power supply from the charger. Remove the battery pack from the charger.
How to Remove the Battery Pack from the Tool
Ensure the tool has stopped completely. Press the unlock button on the battery pack and slide the battery pack out of the tool.
Charging a Hot Battery Pack
When using a tool continuously, the battery pack may become hot. A hot battery pack may be placed directly onto the charger port, but charging will not begin until the battery temperature cools to within an acceptable temperature range. When a hot battery pack is placed on the charger, the charger may indicate that the pack is not ready to charge. Please refer to the charger's operator's manual. When the battery pack cools, the charger will automatically begin charging.
Charging a Cold Battery Pack
A cold battery pack may be placed directly onto the charger port, but charging will not begin until the battery temperature warms to within an acceptable temperature range. When a cold battery pack is placed on the charger, the charger may indicate that the pack is not ready to charge. Please refer to the charger's operator's manual. When the battery warms to approximately room temperature, the charger will automatically begin charging.
Charging Indicator
Press the light button to check whether the battery needs to be charged.
| Light Indicator | Status |
|---|---|
| Lit | The battery is at full capacity |
| Off | |
| Blinking | |
| [Four Lights] | The battery is at 75% capacity |
| [Three Lights] | The battery is at 50% capacity and requires charging. |
| [Two Lights] | The battery has less than 25% capacity and requires charging soon. |
WARNING! Malfunctions may occur when the four lights blink in turns.
NOTE:
- 1) Red LED and green LED flash alternately at a frequency of 1Hz indicates abnormal battery temperature.
- 2) Red LED flashes at a frequency of 1Hz but green LED off when abnormal voltage comes to the battery.
Maintenance
Batteries
These batteries have been designed to provide maximum trouble-free life. However, like all batteries, they will eventually wear out. Do not disassemble the battery pack and attempt to replace the batteries. Handling of these batteries, especially when wearing rings and jewellery, could result in a serious burn. To obtain the longest possible battery life, we suggest the following:
- Remove the battery pack from the charger once it is fully charged and ready for use.
Cleaning
Unplug before any cleaning work. Keep this battery pack free of debris and dirt. Wipe down the equipment with a cloth and/or compressed air. It is highly suggested that you clean the device after every use.
Transportation
Take the battery pack from the tool and place it into a box to avoid being exposed to sunlight during transportation. Do not forget the charger when the battery is transported. The allowed temperature range is between 0°C and 50°C during transportation. Protect the battery pack from any heavy impact or strong vibrations which may occur during transportation in vehicles. Do not take or send the battery pack by airplane.
Storage
After charging, the battery pack may be stored in the charger, as long as the charger is not plugged in. Do not store the battery outside or in vehicles. Store the battery within a temperature range of 0°C to 50°C. Store the battery in a clean, dry place. Cover it to provide added protection. When the battery pack is not in use, keep it away from other metal objects like paper clips, coins, keys, nails, screws, or other small metal objects that can make a connection from one terminal to another.
For battery pack storage longer than 30 days or in winter:
- Store the battery pack where the temperature is ranging from 0°C to 50°C and away from moisture.
- Store battery packs in a 25%-50% charged condition.
- Every six months of storage, charge the pack as normal.
- Keep dry.
- Do not store close to furnaces, stoves, or water heaters.
- Secondary cells and batteries give their best performance when they are operated at normal room temperature (20°C ± 5°C).
Troubleshooting
Suspected malfunctions are often due to causes that users can fix themselves. Therefore, check the product using this section. In most cases, the problem can be solved quickly.
| Problem | Possible Cause | Solution |
|---|---|---|
| The battery pack doesn't work | The battery pack is running out of power | Charge the battery pack. |
| Battery pack broken | Contact an authorized service center. | |
| Four red lights flashed in turn during operation | Temperature out of working range | Stop the tool, remove the battery pack from the tool, wait for 15 minutes to cool down. |
Recycling and Disposal
To preserve natural resources, please recycle or dispose of the battery pack properly. Power tools that are no longer usable should not be disposed of with household waste but in an environmentally friendly way. Please recycle where facilities exist. Check with your local council authority for recycling advice.
This battery pack contains Li-ion batteries. Consult your local waste authority for information regarding available recycling and/or disposal options. Discharge your battery pack by operating your tool, then remove the battery pack from the tool housing and cover the battery pack connections with heavy-duty adhesive tape to prevent short circuit and energy discharge. Do not attempt to open or remove any of the components.
Environmental Protection
Waste electrical products must not be disposed of with household waste. According to the European Battery Directive, defective or used battery packs/batteries must be collected separately and disposed of in an environmentally correct manner. Please recycle where facilities exist. Check with your local authorities or retailer for recycling advice. It will then be recycled or dismantled to reduce the impact on the environment and for human health since they contain hazardous substances.
