Battery charge port
The charge port is where the charger plugs in. A loose, wet or burnt port is a pro repair, and a port on the battery pack goes to the maker or a battery pro.
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Battery and electrical safety. Lithium-ion batteries can catch fire if they're damaged or charged wrong. Never open a battery pack, and stop using any battery that's swollen, hot, wet or smells burnt. Every edit to this page is checked by a second person before it goes live.
The charge port is the socket where the charger plugs in. Depending on the bike it sits on the battery pack itself or on the frame, wired to the battery. Some makers sell it as a part: Ride1Up lists a charge port among its Roadster v2 replacement parts (Ride1Up Roadster parts).
A charge port carries full battery power. Never open a battery pack to reach a port, and don't keep charging through a port that is loose, wet, burnt, melted or hot. A port on the pack is a battery repair for the maker or a qualified pro. See Battery won't charge, E-bike battery care and find a shop.
What it's used for
A damaged port is one cause of a battery that won't charge, along with a faulty charger or a battery problem. Rule out the charger first with Check your charger and E-bike charger, and dry out a wet port as E-bike got wet explains.
What to look for
- The maker's part for your model. A frame-mounted port is matched to the bike's wiring, so buy it from the maker, such as Ride1Up, and have it fitted by a pro if you aren't comfortable working near battery wiring.
- Keep it covered. Rad Power Bikes sells a replacement external battery charge port cover, listed at $5 (read Nov 9, 2026) (Rad spare parts). A missing cover lets in water and grit.
- The right charger. Only use the charger made for your battery. See E-bike charger.
Where to buy
- Your bike maker's parts store, such as Ride1Up or Rad Power Bikes.
- A local shop, through find a shop, for fitting.
Guides that use it
Sources
Stuck after these checks? Find a shop near you.
If these steps didn't fix it, find a shop near you in our partner network. For battery or wiring trouble, look for shops marked Battery and electrical.
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