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UltiPower *4V *0A automatic battery charger UltiPower automatic *4V *0A heavy duty charger is an intelligent charger. It applies advanced charge algorithm. The charger is suitable for heavy duty electric vehicle , forklifter, pallet and other applications . The charger generate less gassing amount compare with conventional charger. The raise of the battey temp. during the entire charge process is also much lower. Benefits of UltiPower Switch-mode Chargers: Small size and light weight No tapering of current - Constant Current In the conventional chargers, the current reduces as the battery voltage goes up. For example an 8 Amp charger, the current will start at 8 Amp and will go down as the battery voltage increase. At the end (full charge) the current is almost zero. So the charger is giving an average of 4 Amps. The switch-mode charger gives a constant current. In charging time, the constant current is equal to twice the tapered current. So a 4 Amp Constant Current battery charger is as fast (in some cases faster) than a tapered 8 Amp conventional charger. Note: Some conventional chargers are constant current types but these are more expensive, larger in size and weight. ***** Reliable: In switch-mode, the transformers are installed on the electronics circuit board. Since all components are on circuit board, the switch-mode chargers are much more reliable. 1.Ability to function with AC voltage fluctuations The switch-mode chargers are capable of large AC voltage fluctuations without any loss of output power. For example a properly designed switch-mode charger of **5VAC will operate at *0VAC. So **5VAC chargers can be used in Japan where the voltage is **0VAC.