Ac to dc battery charger (12v/24v/48v, 5a/10a/20a/40a) Special features: 1. Led indicator light show charging status. 2. Temperature controlled cooling fan. 3. 3-stage battery charging: bulk charge, absorption charge, float charge 4. Switch mode technology 5. High efficiency and led visual display 6. Protection: over temperature, short circuit, reverse polarity Inner box and carton
