Too much heat going into batteries, batteries are damaged, or batteries manufactured wrongly
When batteries are submerged in water, the water can cause a short circuit, leading to the battery overheating, leaking, or even exploding. This can be dangerous and should be avoided.
Hooking the battery cables up incorrectly. Reversing the polarity can cause the battery to explode.
By fully charging and fully discharging some batteries the expected charge time can be increased. Some rechargable batteries will last longer per charge if they are fully discharged before you recharge them again. Recharging batteries before they are fully discharged may cause a battery memory effect that will allow the battery to run for a shorter period between recharges.
Cause you wanna.
Leaving a window slightly open during a strong windstorm helps equalize the pressure inside and outside the building. When the pressure inside is lower than the pressure outside, it can cause the window to be pushed outward. By allowing some airflow, the pressure difference is reduced, preventing the window from potentially exploding outward due to the force of the wind.
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Batteries aren't in properly. Battery contact points dirty. New batteries are faulty.
Putting batteries in water can be dangerous as it can cause the batteries to leak harmful chemicals or even explode. Water can also cause the batteries to short circuit, leading to potential fires or other hazards. It is important to always handle batteries with care and follow proper disposal guidelines.
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batteries in a car is bigger and cause exploions and flash light dont they bring light to the flashligt
Depends on where you get the electricity to recharge the batteries. If the electricity is produced in a hydro-electric plant then there is almost no pollution. If the electricity comes from a nuclear power plant then you have nuclear waste. If the electricity comes from a coal-fired plant that you do have pollution from the burning of coal.
If you added the batteries in parallel, then the bulb would stay on for a long time and nobody would get any sleep. If you added the batteries in series, then the voltage across the bulb would eventually become excessive and the bulb would burn out.