A budget 15 mm polisher with a soft start and a replaceable cord, for occasional home use.
Amazon $99.99The BATOCA P1 is the better dual action car polisher overall, rated 3.7 to 3.4. The BATOCA P1 leads on value, warranty and features. The Maxshine M21 Pro wins on correction. The BATOCA P1 costs $159 less ($99.99 vs $258.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
The lowest-priced 21 mm polisher from a detailing brand, for quick correction on large vehicles.
Amazon $258.99Which should you buy?
- Choose the BATOCA P1 for value ($99.99 vs $258.99), warranty (2-year warranty vs 1-year warranty) and features (soft start vs none of the listed features).
- Choose the Maxshine M21 Pro for correction (21 mm orbit vs 15 mm orbit).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every corded long-throw dual action car polisher; a clear win is highlighted. How we rank explains each one.
| Factor weight | BATOCA P1 | Maxshine M21 Pro |
|---|---|---|
| Overall rating | 3.7/5 | 3.4/5 |
| Correction 30% | 62 15 mm orbit | 100 21 mm orbit |
| Value 25% | 100 $99.99 | 47 $258.99 |
| Warranty 15% | 25 2-year warranty | 0 1-year warranty |
| Power 10% | 86 1,000 W | 86 1,000 W |
| Weight 10% | 50 weight not published (neutral score used) | 50 weight not published (neutral score used) |
| Features 10% | 20 soft start | 0 none of the listed features |
Specifications
| BATOCA P1 | Maxshine M21 Pro | |
|---|---|---|
| Polishing | ||
| Orbit diameter | 15 mm | 21 mm |
| Speed range | 2,500-5,500 OPM | 2,200-5,000 OPM |
| Backing plate | 5 in | 6 in |
| Forced rotation | No | No |
| Power | ||
| Power source | Corded | Corded |
| Motor rating | 1,000 W | 1,000 W |
| Cord | 16.4 ft, detachable | - |
| Brushless motor | Not listed | Not listed |
| Controls | ||
| Constant-speed electronics | Not listed | Not listed |
| Soft start | Yes | Not listed |
| Lock-on trigger | Not listed | Not listed |
| Build | ||
| Pads or polish included | No | No |
| Warranty | 2 years | 1 year |
