






EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh)
Shipping (Kuwait only)
Orders are processed within 24 hours (Sat–Thu, 9:00 AM–5:00 PM).
Delivery within 24–48 hours after processing.
Shipping fee: 2 KWD flat.
Orders placed after 5:00 PM will be processed on the next working day
Read full Shipping Policy here.
Returns & Refunds
Return/Exchange within 14 days from delivery.
Items must be unused, in original packaging, with all accessories + proof of purchase.
Processing after inspection: 5–10 business days.
Refunds go back to the same payment method (may take up to 14 business days).
Return shipping is paid by customer unless item is wrong/damaged.
Damaged/defective: notify within 48 hours with photos/video.
Read full Refund Policy here.
Expand Your Energy Storage: Add an extra 286Wh of energy storage to RIVER 3 Plus for 572Wh, perfect for increasing energy storage for outdoors or power outages. Run a car fridge for 7.2 hours or travel kettle for 42 min. With a simple pogo pin connection, stack the extra battery in seconds without extra cables or screws.
Use Independently: Lighten your load and use the extra battery on its own without RIVER 3 Plus. Use its 140W USB-C port for charging small devices and recharging the battery when you're on the go.
10 Years of Daily Use: With LFP battery chemistry, the battery pack has a 6× longer life than the industry average. Using exclusive X-Guard, the extra battery is protected with real-time monitoring and 40 protective features including overheating and short circuit.
Robust & Reliable: IP65 waterproof rating protects against water splashes, making it perfect for outdoor use. Designed to withstand extreme heat with a UL 94V-0-rated casing and has been rigorously drop tested up to 3.3 ft without damaging the battery.
3 Charging Methods: Charge the RIVER 3 Plus Extra Battery directly using its built-in USB-C port. Connect to the RIVER 3 Plus to charge using solar, AC outlet or by using your car in as fast as 1.5 hr.
Specs:
Capacity: 286Wh
Dimensions
234 × 224 × 110 mm
Net Weight
3.5 kg
Battery Chemistry
LiFePO4, 3000 cycles to 80% capacity
USB-C Output
1 port, 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max
USB-C Input
5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max








































