Keep below 80% relative humidity, non-condensing, to avoid internal corrosion on copper traces and terminal contacts.
Remove the primary intake air filter, vacuum away loose debris, and wash with low-pressure water if necessary. Dry completely before reinstallation. ps-855b maintenance manual
Implementing a rigid preventative maintenance schedule prevents unexpected downtime and catches minor component wear before it leads to system failure. Daily Inspections Keep below 80% relative humidity, non-condensing, to avoid
| Feature | PS-855B (Lead-Acid) | Modern Lithium-Ion (e.g., True Blue Power TS835-5) | | --- | --- | --- | | | 13.7 lbs | 4.8 lbs (66% lighter) | | Maintenance | Frequent, requires periodic checks every 3-6 months | Minimal scheduled maintenance required, only a 2-year capacity check | | Service Life | Unrestricted, but typically shorter | 10 years | | Cell Chemistry | Lead-acid | Lithium Nanophosphate™ | Keep below 80% relative humidity