Keeping terminals, enclosures and connectors in condition.
Terminals, connectors and corrosion
Clean, dry, torque, and a little dielectric grease on marine terminals.
Enclosure, vents and water ingress
Check seals annually; water ingress is the most common killer of outdoor packs.
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Maintenance & testing questions
Short answers to the ones that come up most.
How do I test a battery?
Resting voltage, then under load, then internal resistance.
Lithium maintenance?
Terminals, ventilation, BMS log.
Swollen battery?
Stop using and replace it.
Storage?
Half charge, cool, disconnected.
When to replace?
When delivered capacity no longer meets the job.
