Garage Electronics Storage Risk & Dew Point Simulator

Climate Environment

Garage (Autumn) Attic (Summer) Basement

Storage Location

Enclosure Barrier

Min Diurnal Ambient Temp: 4°C

Max Diurnal Ambient Temp: 24°C

Peak Relative Humidity (Morning): 92%

Minimum RH (Afternoon): 55%

Target Electronics Inventory

Condensation Status

CRITICAL

4.8 hrs/day crossing

Li-ion Fade Multiplier

3.4x

SEI growth & freeze risk

Optical Fungus Risk

88/100

>60% RH sustained index

Required Desiccant

160g

Silica gel for <40% target

24-Hour Diurnal Psychrometric & Thermal Mass Curve

■ Air Temp ■ Device Core ■ Dew Point ■ Condensation Window

Scrub Hour: 06:00

Lithium-Ion Battery Cell High Degradation

Diurnal temperature cycling accelerates Solid Electrolyte Interphase (SEI) microcracking and capacity loss. Sub-zero storage risks lithium dendrite anode plating.

PCB SMT Copper & Solder Traces Severe Corrosion Risk

Morning warm-up causes ambient air dew point to surpass cold board temperature, condensing micro-droplets on solder pads and promoting galvanic dendrite shorts.

Electrolytic Capacitors Accelerated Dryout

Arrhenius equation dictates electrolyte solvent diffusion through rubber seals doubles for every 10°C rise, increasing ESR and lowering breakdown voltage.

Precision Glass Optics Fungal Spore Risk

Persistent RH >60% allows Aspergillus and Penicillium fungi to metabolize lens anti-reflective coatings, causing permanent optical glass etching.

ENGINEERING STORAGE RECOMMENDATION & MITIGATION

Do not store in uninsulated garage without IP67 airtight tote and minimum 160g activated silica desiccant; inspect batteries every 90 days.

AUDIT ID: GARAGE-SIM-2026-48 | STATUS: RISK DETECTED