quick chargers are, well, fast but IMHO, trickle-charging may still be the best for secondary batteries whether Ni-MH or Ni-Cd to lengthen battery life. i (used to) use a branded, auto-shutoff quick charger for high-capacity Ni-MH cells, pero lumobo kaagad after several cycles yung mga batteries and they get real hot during the charging process. btw, cheap sources ng mga batteries (primary or secondary) and chargers ay mga photo shops sa Quiapo.
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