Involvement:General (knows how to use it) - Ownership:1 day to 1 week
-Works well for 18650 batteries, but must be modified! (see below) -Inexpensive along with free shipping! -Simple and easy to use. No instructions needed, just pay attention to the polarities on the batt. terminals
-Charger contacts couldn't make full contact with 18650 positive terminal, due to the flatness on the postitive battery terminal. -negative slider on charging terminal was sticky and would not slide smoothly. Modified that by taking a file and filing down sharp edges on the terminals and plastic casing. -Internal soldering was so-so. one of the pins on a diode wasn't soldered properly to the circuit board. (fixed that)
The recommended modification to the chargers that will be charging 18650 cells is to solder on small nubs onto the charging tabs themselves. This increases the depth on the contact terminal and will charge most batteries that fit without issue.
Needs a little more quality control inspections and some minor modifications, but for the price and what it does, it really isn't so bad. It can be annoying if purchaser isn't so electronically inclined.
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