This is not a cheap quality - High quality charger , CE Approved
Dont risk your expensive device by buying cheap quality charger
Protection & overcharging cut off circuit
The mode is fully compatible with NDSi (Not for NDSL)
​Shape may vary
Compatible with: 

Nintendo DSi NDSi DSiXL XL DS i & 3DS only

Make sure this charger is not compatible with Nintendo DS (NDS)
and Nintendo DS Lite (NDSL), check pin before buying.