Last items in stock Ysi Survey Battery Li-ion Battery fits Ysi, 626870-1, 626870-2 3.7V, 5200mAh CS-YSP870SL $44.27 This product that we supply may be a generic version of the battery, but we can assure you that it is designed and built to be as robust and as good performance as the original battery. Ideally both your model number and battery number are listed in the product description if this is the case you can be almost certain that you are ordering the correct... Add to cart