Model details	KL40 Lightweight & Portable View KL40 →	KL50 Lightweight · Flip-up Armrests View KL50 →	KL60 Lightweight & Versatile View KL60 →	KL20 Compact & Portable View KL20 →	Sonix S80 Power & Comfort View Sonix S80 →	Sonix M15X Lightweight Comfort & Durable View Sonix M15X →	KL80 Comfort & Performance View KL80 →
Price (USD)	$1,299.00 $899.00	$1,199.00 $699.00	$1,299.00 $799.00	$999.00 $499.00	$2,299.00 $999.00	$1,699.00 $899.00	$1,499.00 $999.00
⚙ Motor System	2 × 160W	2 × 160W	2 × 500W	2 × 500W	2 × 600W	2 × 500W	2 × 600W
⚖ Product Weight (without battery)	30 lbs	30 lbs	40 lbs	40 lbs	64 lbs	50 lbs	64 lbs
♙ Weight Capacity	220 lbs	220 lbs	265 lbs	265 lbs	300 lbs	265 lbs	300 lbs
▣ Travel Range	1 × 10Ah / 12 miles	1 × 10Ah / 12 miles	1 × 10Ah / 12 miles	1 × 10Ah / 12 miles	2 × 12Ah / 25 miles	1 × 12Ah / 12 miles	2 × 12Ah / 25 miles
✦ Extra Features	Standard	Flip-up Armrests	Bluetooth	Standard · No Bluetooth	Bluetooth · Leather Cushion	Bluetooth · Leather Cushion	Bluetooth · Leather Cushion
▤ Storage & Portability	Folding / Lightest	Folding / Lightweight	Folding / Lightweight	Folding / Lightweight	Folding / Durable	Folding / Lightweight / Durable	Folding / Durable

Comparison bars are editorial relative ratings, not battery charge or independently verified performance. Product details should be checked against the current listings before publishing.