EVOLISUN H7/PN3-40Ah Sodium-Ion Start-Stop Battery

-Ultra-low temperature performance, reliable cranking down to -40℃ -5–10x longer cycle life than conventional lead-acid/AGM batteries -Lightweight design (~1/3 the weight of equivalent lead-acid batteries) -Direct fit for most vehicles requiring H7-size batteries (e.g., Audi A4L/Q5/A6L, BMW 3 Series) -Maintenance-free, safe sodium-ion chemistry with no lead or acid

The next-generation 12V 40Ah sodium-ion battery, engineered for reliable cold starts, ultra-long life, and maintenance-free performance. With 850CCA and >3000 cycles, it’s the direct-fit upgrade for H7-sized lead-acid/AGM batteries, delivering dependable power even at -40°C.

Key Specifications

Nominal Voltage: 12V
Nominal Capacity: 40Ah
Cold Cranking Amps (CCA): 850A
Cycle Life (25℃, 0.5C, 70% DOD): >3000 cycles
Operating Temperature (Discharge): -40℃ ~ 80℃
Product Highlights
✅ Extreme Cold Performance
850CCA cold cranking power ensures reliable starts down to -40℃, eliminating winter starting issues.
✅ Longer Service Life
Over 3000 cycles, delivering 5–10 times the lifespan of traditional lead-acid/AGM batteries, ideal for start-stop systems.
✅ Lightweight & Maintenance-Free
At only ~7.0 kg (1/3 the weight of equivalent lead-acid batteries), it reduces vehicle load while requiring no maintenance.
✅ Direct OEM Fit
Standard H7 size with 12V system compatibility, designed as a drop-in replacement for most Audi, BMW, and other vehicles using H7 batteries.
Protection Grade: IP65
Dimensions: 318 × 176 × 187 mm
Weight: ~7.0 kg