Waterproof International Deltran Battery Tender Once again the engineers at Deltran have led the way in inovation and convenience by introducting the new for 2003 waterproof Battery Tender. This compact 800 mA battery charger has all the charge characteristics of its cousin the Battery Tender Junior. The new unit incorporates surface mounted circuit board componentry along with total epoxy encapsulation. The new charger is no larger than a standard computer mouse yet packs 800 millamps of pure constant current chargin power. Coupled with a brain (IC chip), the charger will constantly monitor, charge, and then maintain your battery --- even while totally submersed under water! Perfect for all outdoor types of ATV's, watercraft, motorcycles, boats, or anywhere water is a threat. International universal input voltage works anywhere in the world 100-240 AC Volts 50/60 Hz.