Head-to-Head Comparison
Enagic (Kangen) SD501U vs Alkaline Water Plus Smart 9P
Comparing Enagic (Kangen) SD501U against Alkaline Water Plus Smart 9P. We evaluate plate surface area, verified hydrogen output, warranty depth, and long-term reliability to see which system justifies its price point.
Enagic 7 Plates · Not Published H₂
Alkaline Water Plus 9 Plates · ~1.1 PPM H₂
Comparing
Enagic
(Kangen) SD501U
$5,890
Direct from Enagic
★ Our Pick
Alkaline Water Plus
Smart 9P
$1,997
Direct from Alkaline Water Plus
Core Technical Specifications
Enagic (Kangen) SD501U
Alkaline Water Plus Smart 9P
Plates
7 (Solid Titanium, Platinum-Coated)
9 Lead
H₂ Output
Not Published PPM
~1.1 PPM Lead
ORP Range ⓘ
−631 mV (Manufacturer Claim)
Up to -800 mV Lead
pH Range
Research Pending
Research Pending
Power System
Transformer (230W)
Research Pending
Filtration
1-Stage Lead-Removal Carbon (HG-N)
Dual-Stage High-Capacity
Installation
Under-Counter
Countertop
Warranty & Trial Period
Enagic (Kangen) SD501U
Alkaline Water Plus Smart 9P
Warranty
5-Year Full (Parts & Labor)
Limited Lifetime (Parts)
Trial Period
30 Days ($100 Fee if Used)
60 Days Lead
Manufacturer
Japan
South Korea / USA
Brand Trust & Track Record
Enagic (Kangen) SD501U
Alkaline Water Plus Smart 9P
BBB Rating
A+ / Accredited
A+ Since 2010 / 0 Complaints
Years in Business
50+ Years Lead
17+ Years
Sales Model
MLM
Multi-Brand Retailer
Pricing & Investment
Enagic
Alkaline Water Plus
Direct Price
$5,890
$1,997 Winner
Price Difference
The Alkaline Water Plus is $3,893 less than the Enagic.
Expert Review Verdict
★ Enagic (Kangen) SD501U Strengths
- → Concealed under-sink install frees countertop space
- → Same proven 7-plate SD501 electrolysis chamber and 5-year warranty
- → Dedicated dual-spout faucet separates drinking and wastewater lines
- → Produces all 5 Kangen water types including 2.5 pH strong acidic water
✓ Alkaline Water Plus Smart 9P Strengths
- → Carries official KFDA medical device certification
- → Includes dual internal filtration capable of removing heavy metals and VOCs
- → Clean, appliance-like design fits easily into modern kitchen aesthetic
Alkaline Water Plus Smart 9P is our recommended pick for this comparison based on spec wins, warranty depth, and long-term value.
✓ Buy the Enagic (Kangen) SD501U if...
- → Homeowners committed to Kangen who want a built-in look and already have a trusted distributor
- → Kitchen remodels where a secondary faucet and wall-mounted panel fit the design plan
- → Users who rely heavily on strong acidic and strong alkaline water for cleaning
🏆 Buy the Alkaline Water Plus Smart 9P if...
Enagic
Enagic (Kangen) SD501U
$5,890
Shop Enagic → 30 Days ($100 Fee if Used) Trial · 5-Year Full (Parts & Labor)
Compare Enagic vs...
Alkaline Water Plus
Alkaline Water Plus Smart 9P
$1,997
Shop Alkaline Water Plus → 60 Days Trial · Limited Lifetime (Parts)
Compare Alkaline Water Plus vs...