Oscar Liang - There are speculations that LiHV batteries might be just normal LiPo with the "HV" label on them, hence the shorter longevity because they are repeatedly charged to 4.35V. Any
High voltage battery error on balance charger with LiPo batteries "BATTERY CHECK CELL HIGH VOL". More info in comments. : r/airsoft
Charging a 7.6v Lipo - R/C Tech Forums
Do NiMH batteries get hot when charging? - Quora
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LiHV (4.35V) vs LiPo (4.20V) | Battery for multirotor - Oscar Liang