The Rolls Surrette 8CS25PS (8-CS-25PS / 8CS-25PS) is rated at 1156 amp Hrs. @100 Hr. rate, 820 amp Hrs. @ 20 Hr. rate. This battery is the 318 pound gorilla of the 8 volt Renewable Energy Arena. This is the battery which started the high capacity battery movement and it has seen more service in daily cycling than any other battery in this line. The 8CS25PS (8-CS-25PS / 8CS-25PS) is a ultimate expansion of the Roll's New Generation Dual-Container 8 Volt line. Using the famous Rolls Surrette CS plate, This battery offers the highest capacity of the Rolls Surrette Renewable Energy 8 volt line. The CS plate batteries have a track record of 15-20 years expected life.
Warranty is 10 years (first 36 months replacement, next 84 months pro rated.
The 8CS25PS (8-CS-25PS / 8CS-25PS) is used primarily for 24 and 48 volt systems where low battery unit count is required. For a Single String 770 AH Bank, you will need 3 of the 8CS25PS (8-CS-25PS / 8CS-25PS) for a 24 Volt System and 6 of the 8CS25PS (8-CS-25PS / 8CS-25PS) for a 48 Volt System. Each additional string will multiply the AH.
Real world expectations: The 8CS25PS (8-CS-25PS / 8CS-25PS) will support a 25 amp load for 27 hours!
|Capacity @ 25 Amps||1624 Minutes|
|Amp Hours / 100 hr||1156 AH / 11.56 A|
|Amp Hours / 72 hr||1091 AH / 15.15 A|
|Amp Hours / 50 hr||1009 AH / 20.17 A|
|Amp Hours / 20 hr||820 AH / 41.0 A|
|Amp Hours / 5 hr||549 AH / 110 A|
|Length||28 1/4" (718 mm)|
|Width||11 1/4" (286 mm)|
|Height||18 1/4" (464 mm)|
|Weight||424 lbs (193 kg)|
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.