GROWATT Helios 3600 Expansion Battery | 3686WhrBuy with Confidence Best Price Guarantee COQUI SOLAR will match any local authorized retailer's in stock price. Contact us! 30 Days Price Protection COQUI SOLAR will refund you the difference if you find a lower price from us within 30 days of your purchase. Simply email us your order number and the price difference. IN STOCK, ready for pickup or delivery next business day FREE pickup in Guaynabo or $120 Shipping (per item) for Puerto Rico 3686Wh

$120 Shipping (per item) for Puerto Rico or FREE pickup in Levittown

Eco-friendly/Gas free/Quiet/Cost-effective

000+ Life Cycles

Dimensions: 18 x 9

Designed for E2000LFP

11 Versatile Output

5-year Bundled Warranty (local service in PR)

Dimensions: 16

DC Output: XT60 (30A Max)

UPS (Uninterrupted Power Supply <20ms)

Weight: 51 lbs (Infinity 2000 PRO)

Expandable up to 6144Wh