Tips to Keep the thing is usable

Tips to Keep the thing is usable

System-S USB battery charger for PDA (Backup Pack) (Electronics)

Customer Review

What's the thing:
A battery compartment for 4 series-connected batteries, without any additional electronics (diode excluded).
Ie come to the USB port is not 5V, but the sum of all battery voltages out.

Tip: It is advisable to disconnect the diode, because it discharges a Lost 2 off the batteries. (Be careful when opening: under the name plate is a screw). Thereafter, the switch actually has no sense ...

Tip 6V> 5V: To reduce the excessive voltage when using 1.5V batteries, you can work with 2 old plus 2 new batteries (clear anyway ...)

Tip: If any USB devices behave unexpectedly with Mini-B 5-pin socket for plugging in the adapter: connect the mini-B 5-pin connector pin 4 to pin 5 (GND). (Type A: mass (OTG device works as a host), s [...]..

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