Our battery testers are adopted by numerous major companies in Japan. Among them, we have been trusted for many years by leading companies representing their industries, including major automobile manufacturers such as Toyota Motor Corporation, Honda, and as Mazda, well as GS Yuasa, Japan's top battery manufacturer, and Eneos, Japan's largest petroleum company. We take pride in this as recognition not only of our product's performance but also of its reliability, robustness, and ease of use.


Comparison by function

※Supports horizontal scrolling
Product Model DS7 ver2.0 DS-X DS5 ver2.0 DS4
Appearance DS7 battery testers and battery analyzers DS-X battery testers and battery analyzers DS5 battery testers and battery analyzers DS4 battery testers and battery analyzers
Product Features An industry first! The revolutionary function that can accurately diagnose both engine-starting and deep-cycle batteries of different types of construction. The world's most advanced flagship model that can store diagnostic data in memory and share it with a PC via USB cable. Permanently installed in the battery, enabling wireless diagnostics via smartphone app operation. Offers measurement capabilities equivalent to the DS7 at a more affordable price. Also integrates with PC software. All-in-one model capable of diagnosing both motorcycle and automobile batteries. IPX6 waterproofing provides peace of mind in the event of unexpected water damage. Suitable for professionals and general users alike. Dedicated model for car starting batteries with reduced functions and cost. Easy-to-read backlit display and IPX6 waterproof function. Equipped with alternator diagnostic function and compatible with a wide range of domestic and imported batteries.
DL DL DL DL
Wireless Connection (Bluetooth)
Measurable battery range (CCA)
(*Refer to product specifications for others)
 40－2000 CCA 40－2000 CCA 40－2000 CCA 40－1200 CCA
Printer function ※Sold separately
Motorcycle Batteries
Deep Cycle Battery
JIS code Battery selection
CCA direct input only
ISS/HV car batteries
Internal resistance measurement Display
Overseas Battery Standards
Recording and optional printing of measurement date, time and minutes
Program Update Function
PC Management ※Wifi
Battery temperature setting
Waterproof function ※IPX5 ※IPX6 ※IPX6
Viewable language Japanese, English,
Chinese, Korean		 Japanese, English,
Chinese, Korean		 Japanese, English,
Chinese, Korean		 Japanese
Retail Price(Excluding tax) 63,000yen Single(12V):19,800yen
Dual(12V×2):29,800yen		 27,000yen 13,600yen