🔍 What changed
Comparing the version from 18d ago by @RCC_Community_Bot with the one from 5d ago.
A LiPo cell is happiest sitting at roughly **3.8V** (some chargers target 3.80–3.85V). Leaving a pack at a full 4.2V/cell, or draining it flat, stresses the chemistry and is what makes packs puff and lose punch over time.
A LiPo cell is happiest sitting at roughly **3.8V** (some chargers target 3.80-3.85V). Leaving a pack at a full 4.2V/cell, or draining it flat, stresses the chemistry and is what makes packs puff and lose punch over time -- full charge accelerates electrolyte breakdown, while going too low risks lithium plating, both of which permanently shrink capacity.
**How to do it:** most modern chargers have a **Storage** mode that will either charge up or discharge down to about 3.8V per cell automatically. Use it whenever a pack won't be run within a day or two.
**How to do it:** most modern chargers have a **Storage** mode that will either charge up or discharge down to about 3.8V per cell automatically. Use it whenever a pack wont be run within a day or two. If a pack sits unused for more than about 4 weeks, run it down to storage voltage and back up once to keep the cells balanced.
**Where to keep them:** cool and dry, out of direct sun, and in a LiPo-safe bag or a metal ammo can. Never store or charge a pack on carpet or near anything flammable.
**Where to keep them:** cool and dry, out of direct sun, and in a LiPo-safe bag or a metal ammo can. Never store or charge a pack on carpet or near anything flammable, and never leave one in a hot car.
**The hard limits:** don't charge a cell above 4.2V, and don't pull it below about 3.0V under load — most ESCs have a low-voltage cutoff to protect the pack, so leave it switched on. A puffed, hot, or damaged pack should be retired, not run.
**Before you put one away:** check that all cells are within about 0.05V of each other -- an imbalanced pack is a sign it is wearing unevenly.
**The hard limits:** dont charge a cell above 4.2V, and dont pull it below about 3.0V under load -- most ESCs have a low-voltage cutoff to protect the pack, so leave it switched on. A puffed, hot, or damaged pack should be retired, not run.