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Some batteries marked with LiIon20 seem to be more powerful, others maybe not?
All below are Lenovo 6-cell 68+ that look the same and fit in X240/X250/X260/T440/T450/T460/T560 and probably others.
45N1130 / 45N1735, Nom. 10.8V 4.4Ah 48Wh, Min. 4100 mAh, LiIon00 - Average
45N1128 / 45N1734, Nom. 10.8V 4.4Ah 48Wh, Min. 3930 mAh, LiIon20 - Slightly weaker
45N1134 / 45N1777, Nom. 10.8V 6.6Ah 72Wh, Min. 6080 mAh, LiIon20 - Definitely stronger
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It appears that these are just Japanese recycling markings, and they vary depending on the most prominent metal in the anode. Explanation:
Thank you for bringing this up, and putting it to rest.
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad, A21m 2628-GXU
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The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.
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