Level up your RIVER 3 Plus with an Extra Battery. Choose either the EB300 (286Wh) or the EB600 (572Wh) and simply stack one at a time to achieve up to 858Wh of pure energy.
Features:
- Expandable capacity—choose EB300 (286 Wh) or EB600 (572 Wh) to stack with River 3 Plus up to 858 Wh.
- Built-in 140 W USB‑C input/output port for charging devices or recharging the battery independently.
- Pogo‑pin wireless connection provides tool‑free, screw‑free attachment to River 3 Plus.
- Lightweight and portable—EB300 weighs ~7.7 lb (3.3 kg), ideal for travel.
- Durable LiFePO₄ battery rated for ~10 year life-cycle (~3,000 charge cycles).
Specifications:
- Capacity Options: EB300 = 286 Wh; EB600 = 572 Wh
- Max Stackable Capacity: Up to 858 Wh (when paired with River 3 Plus)
- Weight: EB300 ≈ 7.7 lb (3.3 kg); EB600 ≈ 12.8 lb (5.8 kg)
- USB‑C Port: 140 W USB‑C Input/Output (PD) for device charging and battery recharging
- Battery Chemistry: LiFePO₄, designed for ≥3,000 full cycles to 80% capacity (~10 years lifespan)