Dongcheng RS550 Electric Drill and Screwdriver: 21V/16V lithium battery
Why you'll love it: First off, that RS550 motor? Pure beast mode. Then there's the lithium battery—think of it as the Energizer Bunny's bigger, stronger cousin. The 550 carbon brush holder isn't just durable; it's practically indestructible. And let's not forget, it's lightweight and feels just right in your hand (no awkward, clunky designs here).
General specs
- Brand: Dongcheng
- Model: RS550
- Seller: Joom
- Battery Type: Lithium
- Voltage: 21V, 16V
- Motor Type: RS550
- Brush Holder: 550 Carbon Brush
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$5.07
Last price update: 6/21/25
Available to order
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Delivery to 
United States
United States
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Comparison with similar products
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|---|---|---|---|---|---|---|
Dongcheng RS550 21V/16V lithium battery
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BLACK+DECKER KR112 Orange Cordless operation
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| Brand | Dongcheng | Xiaomi | Xiaomi | BLACK+DECKER | Xiaomi | Dream Garage |
| Model | RS550 | KR112 | ||||
| Color |
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| Rating |
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| Price | $5.07 | $135.58 | $105.28 | $106.06 | $110.56 | $204.24 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | June 2, 2025 | June 18, 2025 | June 4, 2025 | June 10, 2025 | June 2, 2025 | June 2, 2025 |
| Battery Type | Lithium | Lithium | Lithium-ion | |||
| Motor Type | RS550 | Brushless | Brushless | Brushless | Brushless | |
| Power Source | Electric | Battery | Lithium Battery | Rechargeable Battery | ||
Electric Drill and Screwdriver
$5.07
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