6 Volt power supply based on two LiPo batteries and voltage step-down converter

6 Volt power supply based on two LiPo batteries and voltage step-down converter
On the specific energy density of Lithium Polymer (LiPo) batteries are superior to most other types of batteries. Rated output voltage they are also more: 3.7V against 1.2 ... 2 others. But if necessary, replace the old 6-volt battery lithium-polymer having some problems. Voltage of one battery is too small, and battery voltage of the two LiPo batteries (with a nominal voltage of 7.4 V) may be too large. (more…)