Charging Mistakes New Owners Make

By GETAUVE Editorial Team · Published October 4, 2026

Charging Mistakes New Owners Make, and the Fix for Each

Charging it every night is the habit that wears the cell down fastest. Charging less often is the better move.

Most battery advice focuses on runtime. The four mistakes that actually shorten a cell's life happen before and after the charge, and none of them are obvious from the box.

The Short Answer

Use a plain 5V/1A-port adapter rather than a fast-charging brick, don't leave the toy sitting at zero for weeks, make sure the contacts are dry before you connect, and accept that a slow charge is normal rather than a defect. Those four cover nearly every complaint people have about a battery that "doesn't hold like it used to." A model like SANDRA makes the routine easy: 9 modes, a magnetic connector, around 2 hours to full and roughly 75 minutes of runtime, and it stays under 40 dB while it works.

Mistake One: The Wrong Adapter

Phone chargers now deliver far more current than a small device needs. A toy rated for a 5V/1A input will usually accept what it's given, but sustained delivery above its design spec generates heat, and heat is what ages a lithium cell.

Look at the output printed on the brick. Anything above 1 amp is more than this class of device is built for. An old adapter, a laptop USB port, or a power bank all work well and all run cooler.

The symptom is a body that feels warm to the touch during charging. That's not normal, and it's worth correcting immediately.

Mistake Two: Storing It at Zero

Lithium cells dislike two states: full for months, and empty for months. The second is worse.

If a toy is going into a drawer for a season, charge it to roughly 50 percent first, then check it every few months. A device left at zero for half a year often won't recover, and that failure looks exactly like a dead motor.

This is the one mistake that kills toys people genuinely liked. It's also the easiest to prevent.

Mistake Three: Charging While Damp

Magnetic contacts sit flush against the body, and water bridges them. Connecting a damp toy doesn't usually cause immediate damage, but it does cause corrosion on the pins, and corrosion shows up weeks later as a charge that won't start.

Dry the contacts after every wash. Give the toy 10 minutes of air time before it goes back on the cable.

If the pins already look dull, wipe them with a dry cloth rather than anything wet. Don't scrape them.

Mistake Four: Reading Slow as Broken

A 2-hour charge is not a fault. Small cells are charged at low current on purpose, and a slow, cool charge is precisely what extends cycle life.

People often plug in before bed and check again 30 minutes later, see a partial indicator, and assume the unit is defective. It isn't. It's a battery doing what it was specified to do.

The honest number to track is runtime, not charge time. If 2 hours of charging still delivers 75 minutes of use after several months, the cell is healthy.

Charge speed also shifts with temperature. A cold room slows the process noticeably, and that isn't a fault either.

A Charging Rhythm That Holds Up

• Charge at around 20 percent, not at zero and not every night.
• Unplug at full. Leaving it connected overnight is fine occasionally and wasteful habitually.
• Use one adapter. Keep it somewhere you'll find it again.
• Dry the contacts first. Every time.
• Store at about 50 percent if it won't be used for a month or more.

That's the whole routine. None of it requires an app or a schedule.

Two chargers in two locations helps if the toy moves between rooms. The most common reason a charge never happens is simply that the cable is somewhere else.

Where Fast Charging Is Actually Worth It

Skip the slow-and-cool advice if you travel often or share a single outlet with three other devices. In those cases a faster brick is a reasonable trade, and a cell that degrades a little sooner is a fair price for a device that's ready when you need it.

The other limitation is that none of this applies to non-rechargeable models, and it won't rescue a cell that's already been sitting at zero for six months. Once a battery has dropped below its recovery threshold, replacement is the only real answer.

Sources

• Federal Aviation Administration — published guidance on lithium-ion cell handling, storage state and transport.
• International Electrotechnical Commission — the IP code (IEC 60529) and related standards for consumer device enclosures.
• Planned Parenthood — general education on intimate product use and when to raise a concern with a clinician.

This article is general education about product care and is not medical advice. Consult a qualified professional for any electrical safety concern.