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The Rolls Surrette S2-1180AGM (S21180AGM) Deep Cycle Battery features a high cycle life without the need for maintenance. The AGM technology (Absorbed Glass-Mat) keeps the electrolyte (Acid) contained in the glass mats allowing the S2-1180AGM (S21180AGM) to not expel any liquids even under severe overcharge. The S2-1180AGM (S21180AGM) is a non-hazardous battery resulting in lower shipping costs and can also be shipped via air. AGM batteries have an extremely low internal resistance giving them a very low selfdischarge rate.
The S2-1180AGM (S21180AGM) is a 2 volt battery with a capacity of 1180 Amp Hrs. @ 100 Hr. rate or 1100 Amp Hrs @ 20 Hr. rate. The terminals are brass auto posts with top threaded inserts.
Warranty is 5 years (First 24 months free replacement, next 36 months prorated).
For a single string of 1180 Amp Hrs. @100 Hr rate, you will need 6 of the S2-1180AGM (S21180AGM) for a 12-volt system, 12 of the S2-1180AGM (S21180AGM) for a 24-volt system and 24 of the S2-1180AGM (S21180AGM) for a 48-volt system. Each additional string will multiply the Amp Hrs.
Batteries require a custom freight quote. After your order is placed, we will contact you with shipping rates and will complete your order upon your approval.
This product is shipped from one of our warehouses in Northern California. Orders placed after 12 p.m. will typically ship the following business day. To see an estimate of our delivery times, click here.
Returns & Replacements
Products can be returned for a refund within 30 days of receipt if unused and in original packaging. Returns are paid for by customer unless product is defective or damaged, in which case Real Goods assumes responsibility. Please use Fedex, UPS, or USPS with tracking, for returns.
Returns of solar panels, inverters or other large ticket items will incur a re-stocking fee of up to 20%. Freight shipping is non-refundable.