CSBattery DC2 series pure GEL Deep Cycle battery is with 12-15 years floating design life. By adopting thicker grids, high purity 99.997% lead and German Gel electrolyte DC series offers excellent recovery performance after deep discharge under frequent cyclic discharge use, and can deliver 1500 cycles @ 50%DOD even work in hot or cold area. Suitable for Solar, CATV, marine, RV and deep discharge UPS, nd telecommunication , etc. Our workshop Produce plate by ourself . For urgent project we support 10-15days fast delivery time.