RAM® Stubby™ Cup Holder Mount with RAM® Qi2 15W Wireless Charger
Ball Base Information
"RAM" Prefix Code
To provide lightweight strength and corrosion resistance, RAM is made of marine grade Aluminium with a black powder coated finish, stainless steel hardware and 'rubber balls' - 'RAM' products are stiffer and stronger than their 'RAP' variants and typically used in more rugged applications.
"RAP" Prefix Code
Many of our 'RAM' products are available in a 'RAP' - composite variant. Our composite 'RAP' products are generally designed for lighter duty applications where keeping the weight of the mount low is a priority.
RAM® BALL SIZES
The weight limits below are a guide only. All factors in a planned mounting configuration should be considered to choose the most suitable ball size.
The most common ball size applications:
B Size - Action Cameras, Phones and Small Tablets
C Size - Medium - Large Tablets in Heavier Duty Applications
D Size - Heavy and Rugged Tablets and Laptops in Commercial Applications
Please check with our technical team for advice.


Backorder parts are normally available within a 2 to 3 weeks timeframe. Please contact our sales team for more accurate delivery information.
You can also order the individual component parts below.
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Features
- Wireless charging bundle built for vehicle cup holders
- 15W Qi2 fast charging for efficient power delivery
- Includes RAM® Stubby™ cup holder weighted ball base and medium length B size RAM® double socket arm
- Magsafe compatible; precise magnetic alignment for iPhone 12 and later, and AirPods
- Mounting components backs by a lifetime warranty; electronics backed by a 3-year warranty
The RAM® Stubby™ Cup Holder Mount with RAM® Qi2 15W Wireless Charger (RAP-B-299-4-AP-MAG-1-W2MU) is your all-in-one solution for mounting and charging on the go. Just drop the Stubby™ base into your cup holder for quick, no-tools installation, it’s that easy. This kit includes the RAM® Qi2 15W Wireless Charger, ball adapter, Stubby™ cup holder base, and B size medium socket arm—designed to fit snugly in small to medium cup holders (2.57"–3.5" inside diameter). With IP67 waterproof protection and a durable woven USB-C cord, you’ll get a reliable charge every time. Plus, harness your iPhone’s MagSafe® magnetic charging for a seamless, secure connection, no fumbling with cables.
Components
wedge dimensions
Fits cup holders between 2.57" - 3.5" inside diameter
socket to socket length
3"
ball size
B Size (1")
weight capacity
Standard Use: 2 lbs
Heavy-Duty Use: 1 lb
materials
High strength composite
packaging type
Poly Bag
power specifications
Operating Frequency: 360KHZ
Stand-by Consumption ~ 0.008A / 8mA @5VDC
80% Wireless Power Transfer Efficiency or Greater
Supports USB 2.0 BC1.2 Power Supply (5V)
Supports Qualcomm QC 2.0, QC 2.0, USB PD 2.0
input voltage
USB 5V @ 3A
QC2.0 9V @ 2.22A
USB PD 2.0 5-15V @ 2A
power output
BPP - 5W
EPP - 7.5W
MPP - 15W
output connector
USB Type-C Male with USB-A Adapter
output cable length
1 Meter
operating temperature
0°C to +40°C
storage temperature
-20°C to +80°C
regulatory
Over Current Protection
Short circuit Protection
Over Temperature Protection
RoHS Compliance
WEEE Compliance
certifications
IP67
SAE J1455
FCC Certification
CE Certification
E-Mark Certification
RCM Certification
Weight
0.65 kg