As a result small LiPo batteries are lighter in weight compared to traditional hard-shell batteries and thin-film technology can offer more flexible designs that more accurately fit the space in the battery compartment. Li-po vs Li-ion internal battery. Safety Lithium Polymer Battery Pack 401630 3 7v 180mah Lipo Battery For Bluetooth Ear Phone Lipo Battery Bluetooth Ear Phones Battery Pack Its not uncommon for LiPos to start at a fairly conventional 42V and be pretty much fully drained at 37-38V. . In contrast if you prefer your devices to be sleek and with more power on the go then Li-ion batteries devices can be perfect for you. Also when speaking of suitability lithium-ion and lithium-polymer batteries are both fitting and effective in various ways. Since I started my readings about RC and Quad builds I found everyone is using or referring to LiPo batteries because of it is weight and I assumed this is the default solution. ...