Your electric toothbrush loses charge quickly due to a degraded battery (common with age), water damage/corrosion affecting internal parts, a faulty charger/outlet, or physical damage from being dropped, all reducing its capacity or charging efficiency; cleaning contacts, replacing old heads, and avoiding constant charging can help, but a failing battery usually means replacement.
If your electric toothbrush won't hold a charge and shorts out, the rechargeable battery may be degraded or damaged. Check the charging base and contacts for corrosion or dirt, which can interrupt charging. Replace the battery if it's swollen or leaking.
Dirty or damaged contacts can hinder the flow of electricity and prevent proper charging. If the toothbrush is old or has been used extensively, the battery may have reached the end of its lifespan and may no longer hold a charge. In such cases, replacing the battery or the entire toothbrush may be necessary.
How Long Does Electric Toothbrush Last And When Do You Need A New One? The good news is that buying electric toothbrushes is a good investment. Manufacturers advise that electric toothbrushes need to be replaced every three to five years.
Just like other rechargeable devices think smartphones or laptops your toothbrush's battery benefits from being put through a full charge cycle now and then. However, most manufacturers suggest unplugging the charging unit and allowing the battery to fully discharge through regular use every six months.
Typically, electric toothbrushes have a battery life that lasts for several weeks on a single charge. It's recommended to charge your electric toothbrush once every two to three weeks or when the battery is running low.
Question (xxi): What happens if you leave a device plugged in even after it is charged 100%? Explanation: Leaving a device plugged in after it is fully charged can cause the battery or device to overheat due to continuous charging.
Key indicators of battery failure include shorter runtimes between charges, prolonged charging periods, and difficulty holding a charge. If your rechargeable electric toothbrush struggles to maintain power or dies quickly after charging, it's a clear sign that the battery has degraded over time.
Yes you can replace the battery inside your Braun Oral-B, Philips Sonicare or Colgate Omron toothbrush. Use one of our detailed photographic battery replacement guides as listed at the top of this page.
Signs it's time to replace your electric toothbrush head
If you are experiencing battery issues with your Oral-B electric brush, there are a few things you can try. Check you have charged your brush for the full time specified in your user manual. Be sure you're charging for the full time noted in the manual. For iO 7 Series and above it takes 3 hours.
Oral-B electric toothbrush handles generally last 3 to 5 years, though some can go longer, while the brush heads need replacing every 3 months, or sooner if bristles fray, to maintain cleaning effectiveness. The internal battery life diminishes over time, leading to shorter charge durations, but proper charging habits (full discharge and recharge cycles) can help maximize its lifespan.
Drained/Bad battery
You may just have a drained battery. Put your toothbrush on the charger and ideally the LED lights will turn on, showing that it is charging. If it will no longer charge, the battery must be replaced with a new one. Use this Battery Replacement guide.
If it needs recharging it will carry on flashing after you turn the toothbrush off.
Our Oral-B Pro 3000 toothbrushes (and, in fact, all Oral-B Pro or Vitality toothbrushes) are not dual-voltage, so they can only be used with the voltage of the region in which they're intended to be sold. The voltage of charger each toothbrush is bundled with is listed on the packaging, typically on the underside.
Make sure you are not charging the toothbrush on a metal surface. The metal can interfere with the charging process. Be sure you're charging for the full time noted in the manual. All our toothbrushes apart from the Vitality and PRO 500 have a charging light.
The battery life of your Sonicare toothbrush depends on how often and how long you brush. Based on a two-minute brushing session twice per day, the battery will last at least two to three weeks with a full charge.
How to Dispose of Electric Toothbrushes: Step-by-Step
As a rule, it's safe to leave your toothbrush on the charger. The charging stand serves two purposes. The first is to provide a place for the toothbrush to sit when it's not being used. Secondly, it's a quick and convenient way of recharging when the battery is low.
It is recommended to replace your Philips Sonicare Brush Head every three months of normal use (brushing twice a day) or when the blue indicator bristles wear out.
Yes, like any electronic device, electric toothbrushes do have a lifespan. Over time, the motor might weaken, the battery capacity may diminish, or components can wear out, leading to a decrease in effectiveness or a complete stop in function.
The 80/20 charging rule is a guideline for lithium-ion batteries (phones, EVs, etc.) suggesting you keep the charge between 20% and 80% for daily use to extend battery longevity, avoiding deep discharges (below 20%) and prolonged full charges (above 80%) that stress the battery's electrodes, thereby slowing degradation and preserving maximum capacity longer, though modern devices have software to help manage this.
Charging your phone generates heat, and when it is placed on a soft surface like a bed, the heat dissipation can be restricted. This can cause the phone to overheat, potentially leading to performance issues or even safety risks. Having your phone next to you while charging can also disrupt your sleep.
If a battery is constantly being overcharged, it might reduce its capacity and lifetime. Keeping a phone connected to a charger (when the phone is already 100% charged) while you are using it may lower battery life if you do it repeatedly.