1. Don't dismantle freely.
2. Don't use outside door, which avoid overheat, fire and electric shock.
3. Don't touch the power adapter with wet hand, or immerse it in water and other liquid.
4. Don't use the adapter in other laptop computers, which avoid electric shock, fire or the damage of parts.
5. Please use the AC power cord matched your computer at home. However, please use the local standard power cord when at overseas.
Actual usage refers to Dell inspiron 2500 laptop battery with adapter and COMPAQ PRESARIO 1200 Laptop Battery Pack and Adapter