Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
+ Charges every kind of battery
+ All metal for heat conduction (see notes below)
+ Solid buttons
+ Easy to read LCD
- MOSFET is not thermally connected to case (see notes below)
- Buttons can get stuck if pressed too hard.
- Plastic film over LCD hard to remove without taking case apart
- 'USB' port really not USB.
- Slight chance of damaging charger when plugging in battery to be charged
The way that the charger is constructed is to have the MOSFET (the main electrical component) connected to the case to let the thermal energy be dissipated by the case. However, there is no thermal medium connecting the MOSFET to the case--and is by default very easily damaged by overheating. It is simple to put some thermal paste onto the MOSFET and make it a much more reliable connection. Just be aware of this. Also, the main battery connections are very close to the metal case. I put a few layers of tape on the case to prevent against shorting out when i connect the battery.
Great charger for the price. The USB port would have been nice, but it is an optional feature to be sure. The MOSFET and the battery connectors are easily fixed by taking apart the case.
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