1 / 7Labtec 48V 2A Lithium Battery Charger, 54.6V Output
Labtec 48V 2A Lithium Battery Charger is specified for 13S 48V lithium batteries used in electric bicycles and scooters. Its 54.6V charging output and 5.5 x 2.1 mm barrel connector make battery chemistry and plug fit essential checks before purchase.
At a glance
- The listing distinguishes a 48V battery rating from the charger’s 54.6V charging output.
- A 5.5 x 2.1 mm barrel connector is specified. Confirm your battery’s charging port matches.
- The LED is described as red while charging and green when fully charged.
Often bought together
Pros and cons
Pros
- Specified for 13S 48V lithium batteries, with a clear 54.6V output rating.
- The LED provides a stated charging-status colour change.
- The listing identifies the connector dimensions, helping buyers check physical fit.
Cons
- Not suitable for lead-acid batteries, according to the listing.
- Compatibility depends on both lithium battery specifications and the listed 5.5 x 2.1 mm connector.
Technical specifications
14 specifications| Brand | Labtec |
|---|
| Output voltage | 54.6 Volts (DC) |
|---|---|
| Output current | 2 Amps |
| Input voltage | 240 Volts |
| Input range | AC 100-240V |
| Maximum power | 135W |
| Battery compatibility | 13S 48V lithium battery |
|---|---|
| Compatible devices | Electric Scooter, Electric Bicycle |
| Connector | 5.5 x 2.1 mm barrel jack |
| Connector dimensions | 5.5 x 2.1 mm (outer diameter X inner diameter) |
| Dimensions listed | 16D x 7.6W x 4.4H centimetres |
|---|---|
| Cable length | 2M |
| Colour | Black |
|---|---|
| Charge indicator | red during charging, green when the battery is fully charged |
What to know before buying
Listing details to confirm
Use only with a compatible 13S 48V lithium battery, not a lead-acid battery. The listing advises avoiding humid conditions, disconnecting AC power once charging is complete, not charging a damaged battery, and monitoring battery temperature during the first charge. It gives both 240 Volts and AC 100-240V as input details, so the exact input specification is inconsistent.
Who is it for?
A good fit for
- Owners of a 13S 48V lithium e-bike or scooter battery whose charging port is 5.5 x 2.1 mm.
- Buyers who want a status LED indicating charging and full charge.
Less suited to
- Owners of lead-acid batteries.
- Buyers whose battery uses another connector or a different battery configuration.

Customer reviews on Amazon
- 5 stars
66% 66% - 4 stars
6% 6% - 3 stars
7% 7% - 2 stars
3% 3% - 1 star
18% 18%
Customer feedback describes the charger as good quality and good value, but reliability feedback is mixed, including reports of the charger failing dramatically. This matters for a power supply used with a specific 54.6V lithium-battery setup. The listing’s protection claims do not establish real-world reliability, so treat them as manufacturer claims rather than assurance.
Positive themes
- Some customer feedback describes the charger as good quality and good value.
Negative themes
- Customer feedback includes reports of the charger failing dramatically.
Mixed feedback
- Reliability, quality and value for money receive mixed feedback.
Frequently asked questions
What battery is this charger specified for?
The listing specifies 13S 48V lithium batteries for electric bicycles and scooters. It says not to use the charger with lead-acid batteries.
Why does a 48V battery charger have a 54.6V output?
The listing states that 48V refers to the battery voltage and 54.6V is the charging voltage.
What connector does it use?
A 5.5 x 2.1 mm barrel jack is specified. Check that the battery charging port matches.
What does the LED indicate?
The listing says it is red during charging and green when the battery is fully charged.

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