Compaq ProLiant 5500 Setup And Installation Manual page 146

A-6 Federal Communications Commission Notice
Batteries, battery packs, and accumulators should not be disposed of together
with the general household waste. In order to forward them to recycling or
proper disposal, please use the public collection system or return them to
Compaq, your authorized Compaq Partners, or their agents.
WARNING: To reduce the risk of personal injury, do not attempt
to recharge the battery, disassemble it, immerse it in water, or
dispose of it in fire.
Batteries, battery packs, and accumulators should not be
disposed of together with the general household waste. In order
to forward them to recycling or proper disposal, please use the
public collection system or return them to Compaq, your
authorized Compaq Partners, or their agents.
For use with Intel Pentium II Xeon processor-based servers only