1. Nominal voltage: 2V 2. Rated capacity (10 hours rate): 300Ah 3. Dimensions (L x W x H ): 172 x 150 x 330 mm 4. Weight: 19.5KG 5. free-maintenance 6. Sealed Construction 7. Maintenance-Free Operation 8. low self-discharge rate. the battery has strong ability to recover from deep discharging 9. Long Service Life. Cycle life reach 800-1200 times 10. Adopt high quality resistant alloy and scientific interior structure design 11. ABS plastic shell offers fastness and anti-aging ************************************* Certificates: CE,ISO9001:2000, ISO14001:2004 (We have these product series: 2V,6V,12V from 1.3AH to 3000AH. Gelled battery is also produced by us)