For iPad 3 iPad 2 iPhone 4s Charger Cable 20AWG FAST Long USB Data Charging Lead
Big Charging Cores (Dual 20AWG). Conductor: Pure Copper. Aluminium Mylar Foil Shield: 15um. Fastener Included: Yes, Velcro. Max Conductor Resistance at 20°C (O/Km): 109.2. The thicker and purer the centre core, the less resistance there is.