Electronic Power Adapter for NDSL

This travel charger is lightweight. Simply plug one end into the
wall, the other into your device, and it will recharge and condition
your battery.Brand new, non-oem. Home/Travel Charger in US Plug for
Nintendo DS. Specially designed for NDS Lite. Power your NDS Lite
conveniently. Replace a missing charger or bring a spare wherever you
go.

Features:

1. Specially designed for NDS Lite. Power your NDS Lite conveniently.

2. Replace a missing charger or bring a spare wherever you go.

3. Input: AC 100V 50/60Hz 8VA.

4. Output: DC 5.2V 450mA.

Source: http://www.gameyeeeah.com/products/Electronic-Power-Adapter-for-NDSL-p-1462.html