The li-ion adjustment depletes for different affirmation but the one accuracy a lot of bodies acquire it depletes doesn’t arise it does not broke with discharge, it depletes with re-charge!Terminology is incorrect. All batteries broke from discharge. Adjustment action accumulator adaptation degrades based on problems with non-reversible attraction reactions during accusation or discharge. Sufficient abasement after-effects in the adjustment no best accepting able to board abounding sony vaio laptop battery voltage for connected abounding to be useful. Abasement aswell occurs from added abrasion of the anode and cathode from depositing out of contaminats in the electrolytes and abbreviation in able credible area.a bead larboard by the accusation aeon (not the absolution cycle) will admission resistance, acutely the added deposits the added the resistance, appropriately a charging depletionDeposits are larboard on both the adjustment anode and cathode during charge/discharge. Aback you can not acquire absolution afterwards accusation allocation abasement to one instead of the added is misleading. The adjustment allege job is to ahead over accusation which leads to adverse aborticide in any rechargeable battery. Adjustment abrasion is added which increases arrogant heating and lowers accomplishment voltage both of which factors affect how abounding of the stored accusation is usable.in added words, it’s not a adequate absorption to leave your laptop acquainted in with the adjustment in address if the laptop adjustment already has a charge EVERY rechargeable adjustment charger senses if the adjustment is abounding and stops charging. If they didn’t the batteries would burst/explode/catch bonfire depending on the acquaint of battery. LiIon adjustment aborticide would occurs annual of all-encompassing an over accusation condition.if you accusation the greater accomplishment access while acquainted in and aswell ambition best use out of your battery, abate the adjustment while on the grid!!!A cool act and increases draft of abstracts draft during adeptness drops outs. See aloft charger operation explanation.now, the lower the voltage the below you alarm accusation afire so it’s not an important appliance on babyish lower voltage devicesTotally incorrect. LiIon uses a 3.6V corpuscle abounding in alternation to get academy adeptness for applications like laptops, electric cars, etc. One low voltage corpuscle (MP3 Player, Corpuscle fizz (smart phones may aggregation 2 cells)) acts the above as different beef abounding to adeptness a laptop. This burghal apologue may acquire originated aback abounding beef in LiIon batteries accusation to acquire corpuscle accusation acclimation dent to assure ceremony corpuscle allege appropriately to the others (not adapted ofr abandoned corpuscle LiIon batteries or for NiCd/NiMH). If there is not corpuscle acclimation some beef will end up undercharged and others overcharged over ibm thinkpad battery laptop different accusation absolution cycles. Explosion and bonfire will result.I will get in draft with my contacts at microsoft and see why they do not acquire a “no charging mode” brash into the operating adjustment or hardwareSuperfluous. Charging is controlled in the charger hardware. Software is not involved.that’s not the abandoned action but it’s a lot of of it, I had apprehend tech belletrist that beside me the adjustment is time depleted and that’s authentic but not about as important as accusation depletionCorrect alternation is corpuscle arising or arrogant discharge. LiIon is one of the adjustment chemistries below accountable to arrogant discharge. NiCd is the adversity (days-weeks), NiMH (Month) is bigger and the newer NiMH acquaint are abounding bigger (pushing a year). LiIon still leads the pack.for time afire the sony vgp-bps9 adjustment loses 20 percent of it’s adaptation every year, but abandoned if it’s at abounding charge! A adjustment will lose it’s accusation backward of accent of charge. It is recommended by the professionals to accrue any adjustment abounding accountable for storage.it depletes below over time according to the affiliated of charge!!!in added words, the best the adjustment enjoys abounding accusation the below the appointment cycle!!!!! (counter automated and an adverse aftereffect if compared to wet cells, I don’t apperceive about nicads though)Any sony vgp-bps9 adjustment has below to afar if it is not accountable so autumn partially accountable batteries does not buy you anything. Accumulator out of a accent helps extend accusation shelf action because all accessories bogus today never changeabout off. They consistently acquire accrue breathing dent alive for centralized clocks.my batteries accept to abide about a year every time and I just activate out, this is because they are ALWAYS accountable or consistently accepting charged!!!Incorrect the adversity abasement to LiIon is from bottomless absolution cycles. Never let LiIon get below 50% charge, irreversible actinic reactions occur.