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(More customer reviews)It is supposed to be a smart charger, and yet it does not seem to charge my notebook Lithium Ion battery properly. It seems to regulate the terminal charging voltage accurately, but it does not seem to perform the "top off" charging correctly. It stops charging as soon as the battery terminal voltage reaches the predetermined thresholds, but a good charger should perform constant current and then constant voltage charging to ensure the battery is fully charged.
It is very light, so it could be carried around very easily.
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Universal Smart Charger for Li-Ion and Polymer battery Pack (3.7V - 14.8V, 1-4 cells)Operation * Select right voltage level for your pack. o For 3.6/3.7V 1-cell pack, set switch button 4.2 position on the charger o For 7.2/7.4V 2-cell pack, set switch button 8.4 position on the charger o For 3.6/3.7V 3-cell pack, set switch button 12.6 position on the charger o For 3.6/3.7V 4-cell pack, set switch button 16.8 position on the charger Warning o Use special caution when working with Li-ion / Li-polymer cells and packs, they are very sensitive to charging characteristics and may explode if mishandled. o Make sure user has enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use. o Put the batteries in fire-proof environment in charging o Never leave batteries unattended when charging o Do not put batteries on wood surface or carpet when charging o We are not responsible for any damage caused by misusing or mishandling of Li-Ion / Li-Polymer batteries in charging o We are not responsible for damage caused by other Li-ion batteries not supplied from us o Do not make any changes to the charger, charger accessories or connectors, as this might cause electrical shortage, fire or over-heating during charging. We are not liable for the product if any changes are made to the charger, accessories or connectors.

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