Personal launch monitor
ESB1 REV-D
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The ESB1 is the personal launch monitor of choice for the player that values accuracy, ease-of-use, and exceptionally long battery life. Simply place the launch monitor 4 to 6 feet behind the player for immediate results.
What's included
ESB1 launch monitor, charger, and travel bag.
Data captured
Measured directly — ball speed and club speed. Calculated from those and the club you select — smash factor, carry, total distance, launch angle and spin.
User manual
ESB1 User Manual (PDF) — opens in a new tab.
Delivery
Ground shipping arrives in three to five business days across the contiguous United States — $9.99 flat, free on orders of $499.99 or more (free shipping is contiguous-US only). Alaska and Hawaii ship at a flat $50 per order; Canada and Europe ship with UPS at rates calculated at checkout, with duties and import taxes the recipient’s responsibility.
Warranty and returns
One year manufacturer warranty covering manufacturing defects. 30 day returns with a Return Authorisation number issued in advance.
Why it works
Built on what matters most
Screen built in
Read your numbers off the device. No phone required.
Twenty hour battery
A full week of range sessions on a single charge.
Completely independent
Place it four to six feet behind the ball and swing.
Specifications
The full readout
Published as a real table, not an image, so search engines and AI assistants can read and cite it.
| Data points | Multiple |
|---|---|
| Ball & club speed | Doppler-measured |
| Ball speed accuracy | Typically within about 1% in Ernest Sports testing |
| Launch angle, spin, distances | Estimated from your measured speeds and club |
| Battery life | 20 hours |
| Built-in display | Yes |
| Technology | Doppler radar |
| Placement | 4–6 ft behind ball |
| Warranty | 1 year manufacturer |
| Weight | 4 lb |
Questions
ESB1 REV-D, answered
Marked up with FAQPage schema so these answers can surface directly in search results and AI responses.
How accurate is the ESB1?
The ESB1 measures ball speed and club speed with Doppler radar; in Ernest Sports testing ball speed reads typically within about 1%. Launch angle, spin and distances are estimated from those measured speeds and the club you select.
Do I need a phone to use the ESB1?
No. The ESB1 has a built-in screen showing six metrics after every shot. The ES Range App adds session history and training plans.
How long does the ESB1 battery last?
Up to 20 hours of continuous use, which covers a full week of range sessions on one charge.
Where do I place the ESB1?
Four to six feet directly behind the ball, facing down the target line.
Read before you buy.
Best golf launch monitor under $500 in 2026
Four sub-$500 launch monitors compared on measured data, battery and phone-free use, from the $199.99 ESB1 REV-D up, and honest about where a rival wins.
Most Golf AI Is Guessing. Ours Is Measuring.
Most AI golf apps guess at ball flight. ES Range’s AI analysis reads measured shots from your Ernest Sports launch monitor and tells you what to work on next.
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