Amazon.com has the Seesii Mini Chainsaw Cordless 6-in Handheld Electric Power Chain Saw w/2 Batteries for $43.99 - 40% off w/coupon XUNNY89V = $26.39 + Free Shipping. (Sold by Seesii-US, Fulfilled by Amazon)
Note: Prices on Amazon.com fluctuate regularly, and deals can expire anytime. Refer to the post time to see when it was listed.