For years, our WF-8900 Series has been the RV industry's preferred power center, outselling all other power centers combined. Building on this success, the WF-8900-AD Series now includes an industry-first, Patent Pending Auto-Detect technology. This new microprocessor-driven technology will recognize lithium ion and lead acid battery chemistries and automatically adjust the charging profile to match the battery type.  No more buttons. No more switches. RV owners will have the peace of mind that their batteries will be accurately charged, eliminating over and undercharging risks. Additionally, battery life will be maximized with multi-stage charging and current monitoring in both lead acid and lithium profiles.