Charger Compatible with Lenovo Laptop Computer 65W 45W Round Tip Power Supply AC Adapter

Quick take

This Lenovo-compatible replacement charger is designed for laptops that take a round-tip connector and need up to 65W (or 45W) of power. It offers a worldwide input range (110-240V) for flexible travel use and includes multiple safety protections. The main caveat is fit, you must match your laptop’s round-tip style and the correct power needs (45W vs 65W) to avoid buying the wrong adapter.

Pros and cons

Pros

  • Supports 65W and 45W output modes (20V 3.25A for 65W, 20V 2.25A for 45W).
  • Worldwide input range (110-240V, 50/60Hz), suitable for travel across regions.
  • Built-in protections described for short circuiting, overvoltage, overcurrent, and internal overheating.
  • Lightweight, portable design intended for bag and desk use.

Cons

  • Not a universal charger, compatibility depends on your Lenovo model and connector style (round tip).
  • No length details here, so cord reach may be a personal preference even if buyers mention a longer cable.
  • Review evidence focuses on “works as expected,” limited detail on long-term durability across many power cycles.

What buyers think

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Buyer-review evidence is largely consistent that this charger is an effective replacement for Lenovo round-tip models. Multiple snippets highlight that it fits properly, powers the laptop quickly, and performs as expected for day-to-day use. Reviewers also commonly mention convenience factors like a cord that allows more movement while charging, and they describe the purchase as a good budget alternative to a factory charger. Overall, the buyer pattern points to reliable compatibility when the connector and power requirements match, with limited discussion about deeper performance topics beyond basic charging behavior.

Key specs and what they mean for compatibility

This charger is built around a 20V output with two power levels:

  • 65W mode: 20V at up to 3.25A.
  • 45W mode: 20V at up to 2.25A.

It also supports 110-240V input at 50/60Hz, which is useful if you travel or live in regions with different mains voltages. The connector type is listed as round tip (Lenovo-style proprietary connector), so your laptop must use that physical plug.

Which Lenovo models it’s intended for

It’s marketed for a range of Lenovo systems, including several IdeaPad and Yoga models, plus certain ThinkPad configurations. It lists support for models such as:

  • Yoga 710 (examples listed include Yoga 710-11ISK, Yoga 710-11IKB, Yoga 710-14ISK, Yoga 710-15ISK, Yoga 710-14IKB, Yoga 710-15IKB)
  • IdeaPad 330 series (examples listed include 330-14AST, 330-15ARR, 330-17AST, and related 330 variants)
  • IdeaPad 530S series (examples listed include 530S-14ARR, 530S-14IKB, 530S-15IKB)
  • Additional Lenovo part-number references are included for specific original adapters

If your laptop model is not an exact match on the compatibility list, the safe approach is to verify both the round-tip connector and the required power wattage range for your exact device.

Ports, portability, and daily usability

Designed as a travel-friendly AC adapter, it’s intended to be easy to pack. The listing emphasizes a compact footprint and a weight under 5 lbs (shipping-weight scale not provided here, but the intent is clearly portability). For daily use, buyers commonly mention practical cable length and that it charges quickly once connected, which matters if you move around your workspace or want more reach from the outlet.

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Pros and cons (expanded)

When this charger is a good fit

  • You need a replacement Lenovo round-tip charger for a system that supports 45W/65W levels.
  • You want travel compatibility thanks to the 110-240V input range.
  • You prefer an adapter that includes multiple safety protections (short circuit, overcurrent, overvoltage, internal overheating protection are listed).
  • You’re looking for a budget-friendly alternative to a factory charger, and the connector matches your laptop.

When you should look elsewhere

  • Your Lenovo laptop uses a different connector type (for example, USB-C charging or a different barrel size style). This is not a substitute if the plug does not match.
  • Your laptop requires a specific wattage that is not supported by the charger’s intended output (45W vs 65W). Check your laptop’s original adapter label or the device requirements before ordering.
  • You need detailed proof of long-term durability. The available snippets confirm basic working performance, but they do not provide extensive performance history over many years.

Safety and build quality, what’s covered

The charger includes described safety mechanisms such as protection against short circuiting, overvoltage, overcurrent, and internal overheating. It also claims compliance with energy efficiency standards (DOE Level VI is mentioned) and includes an ETL specification marker. As with any replacement adapter, the best practice is to ensure the wattage and connector style match your laptop before regular use.

Price and availability

This is positioned as an affordable replacement charger, with the current price shown in the product listing and availability marked as in stock. If you’re comparing options, focus less on the brand name and more on ensuring the correct round-tip connector and 20V output with the appropriate wattage for your Lenovo model.

Verdict

If you have a Lenovo laptop that uses a round-tip adapter and needs 45W or 65W, this charger is a practical replacement choice. The strongest selling points are the dual-power output design, travel-ready input voltage, and buyer feedback that it fits and charges as expected. Just double-check your connector and your laptop’s power needs before purchasing, because the wrong plug or wattage can make any replacement charger a non-starter.

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FAQ

Does this charger work with all Lenovo laptops?

No. It’s intended for Lenovo systems that use the specific round-tip connector style and that match the adapter’s 20V output with the correct wattage needs (45W or 65W). Confirm your laptop model and connector type first.

What wattage does it support, 65W or 45W?

It’s designed to support both. The output is 20V, up to 3.25A for 65W and up to 2.25A for 45W.

Will it work internationally because of the input voltage?

It supports an input range of 110-240V at 50/60Hz, which is intended to be compatible across many regions.

Is the connector round tip, and is that enough for compatibility?

The connector type is a round tip, but compatibility also depends on your laptop’s required power profile. Matching the correct round-tip style and the right wattage needs is the safest approach.

Is it safe for daily use?

The charger is described as having safety protections against short circuiting, overvoltage, overcurrent, and internal overheating. Still, ensure the adapter is the correct match for your device before using it regularly.

Specifications

Product TitleCharger Compatible with Lenovo Laptop Computer 65W 45W Round Tip Power Supply AC Adapter
CategoryElectronics > Computers & Accessories > Laptop Accessories > Chargers & Adapters
BrandOstrich
ManufacturerHuizhou Xin Da Sheng Electronic Technology Co., Ltd.
Model Name65W Round Tip Power Adapter
Model NumberADP65CLGC2A
Item Weight8.11 ounces
ColorBlack
Connector TypeProprietary
Compatible DevicesLenovo ADLX65CLGC2A,ADP-45DW BA, ADP-45DW C, ADL45WCC, Lenovo Ideapad 110 110s 120s 130s 310 320 330 330s 510 510s 520 530s 710s, Lenovo P/N : 5A10H42919, 5A10H42921, 5A10H42923, 5A10H42925, 5A10H43625, 5A10H43630, 5A10H43632, GX20K11838, Lenovo Yoga 710-11ISK 710-11IKB 710-14IKB 710-14ISK 710-15ISK 710-15IKB, PA-1450-55LL, PA-1450-55LN, PA-1450-55LR, PA-1450-55LU, GX20K02934, 5A10H70353, ADLX45NCC3, ADLX45NCC3A
Compatible Phone ModelsNothing
Additional FeaturesFast Charging
Input Voltage240 Volts
Amperage3.25 Amps
Wattage65 watts
Output Current3.25 Amps
Output Voltage20 Volts
Power SourceCorded Electric
Current Rating3.25 Amps
Frequency Range60 hertz
Main Power Connector Type2 Pin
PortableYes
Power PlugType A - 2 pin (North American)
Mounting TypeWall Mount
Connectivity TechnologyUSB
Specification MetETL
Built-In Mediapower cord

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