This white paper provides a comparison of lead battery and lithium battery facts that directly impact the overall TCO, and valuable insight so the most informed, cost-effective, secure and sustainable choice can be made. The construction characteristics of the recombination type lead-acid electric accumulators (valve-regulated hermetic accumulators); the absence of acid fumes and the virtual absence of gaseous development allows it to be installed in suitable containment cabinets. ENERPOWER has developed a project. Selecting the most appropriate battery for a data center depends on more than the battery itself and the chemistry it utilizes. The installed location and environment will contribute to battery efficiency. Designed to protect battery systems, these cabinets and enclosures accommodate various configurations to support both indoor and outdoor installations.