===== ECOFLOW RIVER 3 PLUS EXTRA BATTERY EB600 PRODUCT PAGE CSS ===== /.hb21-spec-wrap max-width: 1100px; margin: 0 auto 40px auto; padding: 0 20px; text-align: center;.hb21-spec-wrap h2,.hb21-spec-wrap h3,.hb21-spec-wrap p,.hb21-spec-wrap li text-align: center;.hb21-product-intro max-width: 920px; margin: 0 auto 30px auto;.hb21-product-intro h2 margin: 0 0 14px 0; font-size: 2rem; line-height: 1.2;.hb21-product-intro p margin: 0 auto 14px auto; line-height: 1.7; max-width: 900px;.hb21-spec-grid display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 30px; text-align: left;.hb21-spec-card background: #f7f7f7; border-radius: 14px; padding: 24px; text-align: left;.hb21-spec-card h3 margin: 0 0 16px 0; font-size: 1.25rem; text-align: left;.hb21-spec-card ul list-style: none; padding: 0; margin: 0;.hb21-spec-card li margin: 0 0 10px 0; line-height: 1.55; text-align: left;.hb21-spec-card strong font-weight: 700;.hb21-spec-card a color: #0066cc; text-decoration: underline;.hb21-warranty-note margin-top: 20px; font-size: 1rem; line-height: 1.6; text-align: left;.hb21-section max-width: 1100px; margin: 0 auto; padding: 34px 20px; text-align: center;.hb21-section h2,.hb21-section h3 font-size: 2rem; line-height: 1.2; font-weight: 700; margin: 0 0 14px 0; text-align: center;.hb21-section p max-width: 900px; margin: 0 auto 14px auto; line-height: 1.65; text-align: center;.hb21-section a,.hb21-faq-item a color: #0066cc; text-decoration: underline;.hb21-footnote font-size: 0.9rem; color: #555; margin-top: 10px;.hb21-image-full max-width: 1100px; margin: 0 auto; padding: 14px 20px;.hb21-image-full img display: block; width: 100%; height: auto; margin: 0 auto; border-radius: 8px;.hb21-card-grid-2 max-width: 1100px; margin: 0 auto; padding: 14px 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px;.hb21-card text-align: center;.hb21-card img display: block; width: 100%; height: auto; border-radius: 8px; margin-bottom: 10px; object-fit: cover; aspect-ratio: 4 / 3;.hb21-card h3 margin: 0 0 6px 0; font-size: 1.1rem; line-height: 1.3; text-align: center;.hb21-card p margin: 0; line-height: 1.5; font-size: 0.95rem; text-align: center;.hb21-card-compact h3 font-size: 0.95rem; margin-bottom: 4px;.hb21-card-compact p font-size: 0.85rem; line-height: 1.4;.hb21-faq-wrap max-width: 980px; margin: 40px auto 20px auto; padding: 0 20px; text-align: center;.hb21-faq-wrap h2 font-size: 2rem; line-height: 1.2; margin-bottom: 20px; text-align: center;.hb21-faq-item background: #f7f7f7; border-radius: 12px; padding: 18px 20px; margin-bottom: 14px; text-align: left;.hb21-faq-item h3 margin: 0 0 8px 0; font-size: 1.1rem; line-height: 1.4; text-align: left;.hb21-faq-item p margin: 0; line-height: 1.65; text-align: left; @media (max-width: 989px).hb21-spec-grid grid-template-columns: 1fr;.hb21-card-grid-2 grid-template-columns: 1fr;.hb21-product-intro h2,.hb21-section h2,.hb21-section h3,.hb21-faq-wrap h2 font-size: 1.7rem; Overview
The EcoFlow RIVER 3 Plus Smart Extra Battery EB600 adds 572Wh of additional capacity to your EcoFlow RIVER 3 Plus Portable Power Station, taking total capacity from 286Wh up to 858Wh combined. That's triple the energy storage in a stacked configuration that connects with no separate cables or screws.
The EB600 uses EcoFlow's wire-free Pogo Pin connection to attach directly to the bottom of the RIVER 3 Plus, and adds an extra 140W USB-C port to the system. It can also be used on its own as a standalone 572Wh battery via its built-in 140W USB-C port for phones, tablets, and laptops. The EB600 does not provide AC output by itself, only USB-C. EB600 Extra Battery Specs:
- Capacity: 572Wh (22.4V, 25.6Ah)
- Weight: Approx. 5.8kg
- Dimensions: 234 x 224 x 158mm
- Chemistry: Lithium Iron Phosphate (LiFePO4 / LFP)
- Cycle Life: 3000 cycles to 80% capacity
- USB-C Port: 140W max (input and output)
- Extra Battery Port: 17.5 to 25.5V, 68A max output, 28A max input
- Connection to RIVER 3 Plus: Wire-free Pogo Pin
- Standalone Use: Yes, via USB-C port (no AC output by itself)
- Operating Temperature: -10°C to 45°C (discharge)
- Compatible With: RIVER 3 Plus only What's in the Box?
- 1 x EcoFlow RIVER 3 Plus Smart Extra Battery EB600 (572Wh)
- 1 x User Manual
- 1 x Warranty Card
- Warranty: 5-year warranty
Note: No charging cables are included. The EB600 charges via its USB-C port using a compatible USB-C charger (sold separately) or via its Pogo Pin connection when stacked on a RIVER 3 Plus. Triple the Energy for Your RIVER 3 Plus
The RIVER 3 Plus has a standalone capacity of 286Wh. Add the EB600 and you get 858Wh combined, three times the energy storage for longer outage
