Precautions
For safe use of batteries, always abide by the following instructions. Improper handling of Batteries may result in injury from electrolyte leakage, heating, ignition or explosion.
1. Observe the following precautions to ensure safety.
- (1) Charging
- Do not charge batteries (except rechargeable batteries).
- Do not attempt to charge primary batteries, because they are not designed for charging. If attempt is made to charge them, gases generated within the battery can cause heat generation, leaking, rupturing or fire.
- (2) Mounting
- Insert a battery with the positive (+) and negative (-) terminals oriented correctly.
- If a battery is inserted with reversed terminals, the battery is shorted depending on the equipment, may possibly cause heat generation, leaking, rupturing or fire.
- (3) Mixed Use
- Do not mix used and new batteries, and do not mix different types of batteries together.
- Your equipment may not operate properly if batteries of different voltages and types are used together. In addition, the battery exhausted first may be excessively drained (over-discharged) due to different discharge characteristics, which may eventually result in swelling or rupturing of the battery. When used, new and/or partially used batteries are used together, the most used battery will be excessively discharged, preventing normal operation of the other batteries. This is not only uneconomic but also may cause the battery to swell or rupture. Replace all batteries with new batteries at the same time.
- (4) Forcible Discharge
- Do not forcibly discharge.
- If a battery is forcibly discharged, the voltage may drop below zero (reversed polarity), generating gases inside the battery, which may cause swelling or rupturing of the battery.
- (5) Shorting
- Do not short-circuit the positive (+) and negative (-) terminals.
- If the positive and negative terminals come into contact with each other or are shorted with wire or other metallic objects, a instantaneous high current will flow, possibly damaging the battery structure due to the generated heat, with the possible result of overheating, leaking, rupturing or fire.
- (6) Heating
- Do not cause the battery to become heated.
- If a battery is heated to 100°C or above, the plastic materials used in the battery may melt or be deformed, possibly causing leaking, an internal short-circuit, or other abnormalities.
An internal short-circuit or the increased internal pressure can cause heat generation, leaking, rupturing or fire.
- (7) Soldering
- Do not directly solder anything onto the battery terminals.
- Direct soldering onto the battery terminals causes the battery to be heated, and the events described in paragraph 6 can occur as a result.
- (8) Disposing of in fire
- Do not throw a battery into a fire.
- A battery may rupture or bum violently when thrown into a fire.
This can be more dangerous than the events described in paragraph 6.
- (9) Disassembling
- Do not attempt to disassemble a battery.
- If you attempt to disassemble a battery forcedly, your hands and fingers may be injured, or the electrolyte inside the battery may get into your eyes or adhere to your skin. Do not allow leaked electrolyte to come into contact with the human body. If this happens, rinse with a large quantity of water immediately and consult a doctor.
- (10) Deforming
- Do not deform a battery.
- If you deform a battery by excessive shock it, the seals may become warped and cause leaking, an internal short-circuit, or other abnormalities.
An Internal short-circuit or other abnormalities can cause overheating, leaking rupturing or fire.
2. Observe the following safety precaution to prevent batteries from being swallowed.
Small-sized batteries (button and coin-type, in particular) can easily be picked up by little children and swallowed. Keep all batteries out of the reach of little children. Dispose of used batteries promptly and according to the specified procedure. Consult a doctor immediately if a battery is swallowed.
