“These packs will always charge to 100.8 perfectly. Better cells, better construction. One thing to note: the BMS, which covers one of the 2 largest faces, will flex and break the tabs. This may not be an issue unless you lay the wheel on its side, but there's no way to really test it. There are alarms attached to each pack, but they only sound off if the pack is over-heating. If a tab breaks, the BMS will do its job and cut the pack off from the rest of the packs. The bad pack will measure around 30v when tested, but you will not see this when testing all of the packs together. Everything will look good except for your range. If your pack is bad, ewheels will replace it (they did this for me). If it's out of warranty unwrap the pack and repair the tab. Some people put glue under the tab to prevent breakage. You can also attach support walls to the sides to prevent flex. The new begode packs are ok, but not quite litech yet. These are still the best packs.”