Last items in stock Promax Survey Battery Li-ion Battery Fits Promax, 8 Premium, 8 Premium Catv Analyser, 7.4v, 2600mah CS-PRX800SL $42.26 Batterybuyer.com have been a source for replacement batteries from Cameron Sino for over a decade. In that time we have had not one instance of a product being damaged while using one of our batteries. There can be occasions when the battery model number or the model of your device is not listed in the information below. Don't despair contact us via live... Add to cart