@farmerman,
Sorry, I've no experience with this one... but, that being said, I can only send you where you probably have been already.
Video clip for Homelite 4.8V Cordless Shear
http://www.homelite.com/catalog/hedge-trimmers/UT44174<br />
Has a 3-inch single-blade hardened steel. 2-yr limited warranty.
This is exclusively available from Home Despot. I often get good advice from sales force about usability.
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Here is a more professional 18v Cordless Shear by Makita:
(I think that is the UK version.)
https://www.youtube.com/watch?v=doZ-TiId3t8
Technical Info:
No Load Speed 1,250 rpm
Battery Type Li-ion
Charging Time 22 min
Net weight 1.5 kg
Voltage 18 v
Cutting width 16 cm
US version
LXMU02Z Grass Shear, 1250 rpm
https://makitatools.com/en-us/Modules/Tools/ToolDetails.aspx?Name=LXMU02Z
$120 (w/o battery)
Delivers 1,250 SPM and Up to 2 Hours of Run Time on a Single Battery Charge
• Makita-built motor delivers 1,250 SPM for efficient cutting
• Toboggan-style base frame enables user to quickly adjust height to match the application for smooth and consistent cutting
• Dual blade action cuts with a shearing effect for improved results
• Compact and ergonomic design at 13-7/8” long
• Weighs only 3.6 lbs. with battery (battery not included) for reduced operator fatigue
• Non-electrolyzed nickel plated blades engineered to resist staining and rusting
• “Tool-less” blade changing system for increased convenience
• Ergonomic rubberized soft grip engineered to absorb vibration for more comfortable operation
• Battery capacity warning system turns on indicator light and automatically stops motor to notify user when it is time to recharge the battery (battery sold separately)
• Left and right lock-off button is engineered to prevent instant start up
• Rapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature (battery and charger sold separately)
• 3 year warranty on the tool
Specifications:
Cutting Capacity (width) 6-5/16"
Depth Adjustment Range 3/8", 13/16", 1-3/16"
No Load Speed 1,250 RPM
Battery 18V LXT® Lithium-Ion
Battery Charge Time (minutes) 30
Overall Length 13-7/8"
Net Weight 3.6 lbs.
Shipping Weight 4.1 lbs.
UPC Code 088381-626552