King Ma
King Ma 330W 20V/16.5A Laptop Charger Replacement for Razer Blade 18 (RTX 4060/4070)
Bottom line: The King Ma 330W 20V/16.5A Laptop Charger Replacement for Razer Blade 18 ($113.99 on Amazon as of 2026-10-06): 330W max output at 20V/16.5A via XT60, matching Razer Blade 18 RTX 4060/4070 draw; main trade-off: third-party King Ma unit, not a Razer first-party adapter.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 330W max output at 20V/16.5A via XT60, matching Razer Blade 18 RTX 4060/4070 draw
- ✓ Charges three devices at once: XT60 laptop port, 100W USB-C PD 3.0, 60W USB-A
- ✓ GaN chipset cuts volume by a quarter versus the stock Razer brick
- ✓ 500g travel weight makes it a realistic backpack replacement for the OEM adapter
- ✓ Ships complete: XT60 cable, desktop stand, AC cord, manual and warranty card
Cons
- ✗ Third-party King Ma unit, not a Razer first-party adapter
- ✗ Fits Razer Blade 14/15/16/17/18 only; other laptops need a compatibility check first
- ✗ Proprietary XT60 connector means the cable is not interchangeable with USB-C-only bricks
SpecPicks Verdict
SpecPicks scored King Ma 330W 20V/16.5A Laptop Charger Replacement for Razer Blade 18 using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. King Ma's power supplies & cables lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 【3-in-1 Design】 King Ma 330W GaN Gaming laptop charger with XT60 port Chargering Cable(MAX 330W, 20V/16.5A), equipped with USB-C (MAX 100W) with PD3.0 fast charger and USB-A (MAX 60W), multi device charger laptop， such as laptops, tablets, mobile phones and other electronic devices simultaneously without the need for frequent switching, meeting the power needs of multiple devices for professional scenarios such as laptop gaming, engineering design and artwork.
- 【Portable & Smaller】KingMa 330W GaN gaming laptop charger for Razer Laptop , smaller and lighter than the original charger, volume reduced by 1/4, weighing only 500g, compact & lightweight, palm-sized for easy storage in your backpack, saves storage space and significantly reduces the burden,Portable Travel Adapter
- 【Wide Compatibility】Products built for professionals.Not only compatible with Razer Blade 18 (RTX 4060/4070)Razer Blade 14/15/16/17,（For other models please contact us.）,but also can charging for camera/ table PC/ phone/ protable gaming device and power bank.
- 【Latest GaN Technology】The latest GaN chip technology reduces charging heat, lowers power consumption, and improves charging efficiency by 30% while reducing size. The shell is made of fireproof PC material, taking into account speed and safety, providing greater peace of mind for long-term use.
- 【What You Get in Charger Kit】 1* 330W GaN Charger, 1* XT60 High-Power Charging Cable, 1* Desktop Stand, 1* AC Power Cord, 1* User Manual, 1* Warranty Card. All accessories included, no extra purchase needed, ready to use out of the box.
Full Specifications
| Brand | King Ma |
|---|---|
| Color | Black |
| Weight | 500g |
| Current | DC |
| Wattage | 330 watts |
| Amperage | 16.5 A |
| Power Plug | Type A - 2 pin (North American) |
| Unit Count | 1 Count |
| Form Factor | Rectangular/Boxy with Desktop Stand |
| Connectivity | USB-C |
| Model Number | For Razer 11*43mm 330W 19.5V/16.92A |
| Power Source | Corded Electric |
| Compatibility | PC |
| Input Voltage | 200 volts |
| Mounting Type | Tabletop Mount |
| Built-In Media | Charging Adapter, Desktop Stand |
| Connector Type | USB Type A, USB Type C |
| Output Current | 16.5 A |
| Output Voltage | 20 volts |
| Mfr Part Number | RZ1143-330W-KMUS |
| Full listing title | 330W 20V/16.5A Laptop Charger Replacement for Razer Blade 18 (RTX 4060/4070),Multi Port PD 3.0 Fast Charging Adapter,XT60 Port,Compatible with Razer Blade 14/15/16/17, for Gaming&Engineering Laptop |
Ready to buy?
330W 20V/16.5A Laptop Charger Replacement for Razer Blade 18 (RTX 4060/4070),Multi Port PD 3.0 Fast Charging Adapter,XT60 Port,Compatible with Razer Blade 14/15/16/17, for Gaming&Engineering Laptop is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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