A: The TSA and IATA allow batteries under 100Wh without approval. The AACT 399 is 399Wh, so it exceeds the carry-on limit. Do not attempt to fly with this unit unless you have specific airline cargo approval.
A: When stored at 70°F, the AACT 399 will retain 80% of its charge for 6-8 months. For jump-starting alone, check the battery level monthly. aact 399 portable
Disclaimer: Specifications and features subject to change. Always consult the user manual before jump-starting hybrid or electric vehicles. Q: Can I charge my laptop with the AACT 399 Portable? A: Yes, via the 100W USB-C port (for USB-C laptops like MacBook Pro or Dell XPS) or the AC outlet with your standard laptop brick. A: The TSA and IATA allow batteries under
A: AACT offers a 2-year limited warranty covering manufacturing defects and a 5-year pro-rated warranty on the LiFePO4 battery cells. Register online after purchase. Last updated: October 2026. Prices and availability subject to change. A: When stored at 70°F, the AACT 399