Patented

RAM® Stubby™ Cup Holder Mount with RAM® Qi2 15W Wireless Charger

Part#: RAP-B-299-4-AP-MAG-1-W2MU
UPC: 793442031731

Compatibility

Kit Components

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Overview

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.

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

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:

1.43 lb

Additional Information:

The included wireless charger will support up to 8mm charging distance between puck and device.

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

Print

Documents

On Road Catalog
Knowledge Base: Wireless Chargers

QUESTIONS & ANSWERS

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RAM® Stubby™ Cup Holder Mount with RAM® Qi2 15W Wireless Charger
$112.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size — this product 1" ball
  • C Size 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B — this product1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.