WEN plans to continue to add more and more items to our 40V line. For an up-to-date list of the 40V cordless tools
compatible with the included battery and charger, visit wenproducts.com and search model number 40401 (2 Ah) or
40404 (4 Ah). In the battery’s description, there will be a list of current products that this battery can be used with.
SPECIFICATIONS
Model Number 40439, 40439BT
Motor 40V Motor
Speed 2850 RPM
Cutting Height 1.5 inches to 4 inches
Battery 40V Max Lithium Ion, 2 Ah & 4 Ah
Charger Input 100-120V AC, 60Hz, 100W
Charger Output 42V DC, 2A
Blade Size 17.7 inches (450 mm)
Blade Model Number 40439-100
Battery Model 40401 (2Ah) and 40404 (4Ah)
Charger Model 40400
INTRODUCTION
Thanks for purchasing the WEN Lawn Mower. We know you are excited to put your tool to work, but first, please
take a moment to read through the manual. Safe operation of this tool requires that you read and understand this
operator’s manual and all the labels affixed to the tool. This manual provides information regarding potential safety
concerns, as well as helpful assembly and operating instructions for your tool.
NOTE: The following safety information is not meant to cover all possible conditions and situations that may occur.
WEN reserves the right to change this product and specifications at any time without prior notice.
At WEN, we are continuously improving our products. If you find that your tool does not exactly match this manual,
please visit wenproducts.com for the most up-to-date manual or contact our customer service at 1-800-232-1195.
Keep this manual available to all users during the entire life of the tool and review it frequently to maximize
safety for both yourself and others.
SAFETY ALERT SYMBOL: Indicates danger, warning, or caution. The safety symbols and the explanations
with them deserve your careful attention and understanding. Always follow the safety precautions to reduce the
risk of fire, electric shock or personal injury. However, please note that these instructions and warnings are not
substitutes for proper accident prevention measures.
NOTE: Model 40439BT does not include battery or charger.
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