Important Update: NHT518 has been discontinued by manufacturer. The new version is: Black and Decker LHT2220 Cordless Hedge Trimmer
Specifications & Features:
- Model number: NHT518
- Type: Cordless electric Hedge Trimmer
- Blade length: 22 inches
- Maximum cutting diameter: 3/4 inch
- Battery type: 18-volt NiCad battery
- Battery run time: Up to 30 minutes
- Dimensions: 7.6 x 6.5 x 37.1 inches (WxHxD)
- Weight: 6.4 pounds
- Trims up to 1,200 square feet of hedge on just one charge
- Blades: Pre-hardened, machined-steel, dual action
- Features a lock-off switch helps prevent unintended start-ups
- Included: Trimmer, 18-volt NiCad battery, charger, and blade cover
- Warranty: 2 years

PROS:
1. Cordless: No need to worry about accidentally cutting the power cord.
2. Long blade: 22 inches are enough in most cases
3. Lightweight: 6.4 pounds
4. Quiet operation
5. Dual action blades without excessive vibration
CONS:
1. Not as powerful as corded trimmers
2. Short battery life has been reported by some users (see Amazon customer reviews). Additionally there are also some complaints on the charger not working as expected.
BOTTOM LINE:
Although some owners/users aren’t satisfied with the battery life, Black & Decker NHT518 Cordless Electric Hedge Trimmer remains the top choice for people who are looking to buy a cordless hedge trimmer. This power tool has been rated 4-1/5 stars out of 5 by 100 buyers/users at the Amazon.com Marketplace.