These people often have tingling and numbness in the feet as well. Many people complain that their feet are overly sensitive to touch (hyperesthesia) and can have varying degrees of burning pain. It can range from mild to disabling. Diabetes and alcohol abuse are by far the most common causes of neuropathy in the legs.
Q: what cause macbook pro battery swelling? Apple battery packs contain a set of 6 lithium Ion (Li-Ion) cells (the metal covered envelopes), connectivity circuitry, and a small logic board. The main cause for battery cell swelling is what is known as thermal runaway. If a cell reaches a certain temperature then a chemical in the cell (usually Cobalt Oxide for Lithium Ion batteries) starts an unintended reaction which is exothermic in nature (i.e. it creates heat).
Chargers. Recharging the battery with an external charger can cause it to overheat and boil over if the charger is defective or if you charge the battery too long. A defective charger might have an unregulated flow of electricity or it might charge the battery too quickly. Jessica Isaac/Demand Media.vercharging. An alternator that is overcharging the battery can cause boil over. The alternator in a vehicle continuously charges the battery while you drive. The optimum charging voltage for a battery is 14 volts.