EcoFlow Wave 3 Add-on Battery EFWAVE3-EB

The EcoFlow Wave 3 Add-on Battery (EFWAVE3-EB) is a high-capacity lithium-iron-phosphate (LFP) expansion battery designed exclusively for the EcoFlow Wave 3 air conditioner. With a capacity of 1024 Wh, it provides 2 to 8 hours of cordless operation, allowing you to enjoy cooling or heating wherever you go — from camping trips and RVs to yachts and outdoor events.

• Massive 1024 Wh capacity — extends Wave 3 runtime for all-day comfort off-grid.
• LFP battery chemistry — delivers up to 4,000 charge cycles (retains ~80% capacity), ensuring up to 10 years of daily use.
• Multiple charging options — recharge from AC outlet, car cigarette lighter (12/24V), solar panels (up to 400W), or vehicle alternator (with EcoFlow Alternator Charger).
• Ultra-fast charging — combine solar and AC to fully charge in about 75 minutes.
• Rugged IP65 rating — dust and water resistant, ideal for outdoor and marine environments.
• Lightweight and portable — weighs only 9.7 kg with compact dimensions (51.6 × 28.1 × 11.1 cm).
• High output power — delivers up to 858W continuous, with USB-A (18W) and USB-C (140W PD) ports for charging devices.

Whether you're camping in the mountains or cruising on a yacht, the EcoFlow Wave 3 Add-on Battery ensures you stay comfortable without sacrificing power. Simply connect it to your Wave 3 air conditioner and enjoy reliable, clean energy wherever adventure takes you.