Seesii or RYOBI? Rotary Hammers Compared in 2026
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Choosing between the seesii vs RYOBI rotary hammer depends on your project scope. Both tools are cordless, brushless 1-inch SDS-Plus models designed for drilling into concrete and masonry. The main difference lies in what you get out of the box. The Seesii kit includes batteries and accessories, making it ready for immediate use. The RYOBI option is a bare tool, requiring you to supply your own 18V battery from the ONE+ system. This distinction affects your initial setup and long-term compatibility.
Key differences
| Aspect | Seesii 1-Inch Brushless SDS-Plus Rotary Hammer | RYOBI 18V Brushless 1-Inch SDS-Plus Rotary Hammer |
|---|---|---|
| Voltage | Not listed | 18V |
| Impact Energy | 2.8J | Not listed |
| BPM | 5,000 | Not listed |
| Battery Included | Two 4.0Ah batteries | No (tool only) |
| Included Accessories | Charger, bits, chisel, case | None |
Which one should you choose?
Choose Seesii 1-Inch Brushless SDS-Plus Rotary Hammer if
- You need a complete kit ready to use right out of the box.
- You want higher impact energy for tough concrete drilling.
- You do not already own compatible batteries and a charger.
Choose RYOBI 18V Brushless 1-Inch SDS-Plus Rotary Hammer if
- You already have RYOBI 18V ONE+ batteries and chargers.
- You prefer a bare tool to keep your kit lightweight.
- You want to use your existing battery platform for compatibility.
Verdict: The Seesii is the better choice if you need a standalone, ready-to-work kit with proven impact specs. The RYOBI is the practical option if you are already invested in the ONE+ battery ecosystem. Your existing gear should dictate this decision.
Seesii vs RYOBI Rotary Hammer Showdown
Included tools
The Seesii model arrives as a complete kit, including the rotary hammer, two 4.0Ah batteries, a charger, three drill bits, a chisel, a depth gauge, and a storage case. This allows you to start work immediately without buying extras. The RYOBI ONEAND HP is listed strictly as a tool-only option with no battery or charger included. You must purchase these separately to make the RYOBI functional. For buyers who want an all-in-one solution right out of the box, the Seesii package offers significantly more value and convenience.
Battery capacity
Seesii includes two 4.0Ah batteries in the package, providing extended runtime and the ability to swap one while the other charges. This is ideal for longer projects or when you need continuous power without interruption. The RYOBI listing does not mention battery capacity because it is sold as a bare tool. You will need to check your existing ONEAND HP batteries for their amp-hour rating to estimate runtime. If you do not already own compatible RYOBI batteries, the Seesii option provides the necessary power source directly.
Impact energy
The Seesii rotary hammer delivers 2.8 Joules of impact energy, which helps it power through tough materials like concrete, brick, and stone efficiently. This specification indicates the force behind each strike, affecting how quickly you can drill holes. The RYOBI product data does not list its impact energy in Joules. Without this specific metric, it is difficult to compare the raw drilling power directly against the Seesii model. Both are brushless and SDS-Plus, but the Seesii provides clear data on its striking force.
Voltage platform
The RYOBI ONEAND HP operates on the 18V ONE+ platform, which is a widely adopted system with hundreds of compatible tools. If you already own other ONEAND HP tools, this rotary hammer integrates seamlessly into your existing ecosystem. The Seesii model does not specify its voltage in the key specs, though it mentions compatibility with Makita batteries. This suggests a different power architecture. If you are invested in the RYOBI 18V system, the brand loyalty and tool compatibility offer a distinct advantage.
Weight
The RYOBI tool weighs 6.48 pounds, which is a substantial weight for a handheld rotary hammer. This heft can provide stability during drilling but may cause fatigue during overhead or prolonged use. The Seesii product data does not list a specific weight value. However, it mentions balanced weight distribution and a safety clutch to reduce wrist strain. Without a comparable weight figure for the Seesii, you cannot determine which tool is lighter or easier to maneuver for extended periods based solely on the provided specifications.
Which Seesii or RYOBI Rotary Hammer Fits You
Homeowners wanting a complete kit out of the box
The Seesii model arrives as a complete kit, including two 4.0Ah batteries, a charger, drill bits, and a storage case. You can start work immediately without buying separate power sources. Its 2.8J impact energy and 5,000 BPM handle concrete and masonry effectively for typical residential projects.
RYOBI users expanding their existing 18V battery ecosystem
If you already own RYOBI 18V batteries, this tool-only option is the logical choice. It integrates with your current platform, saving you from purchasing redundant power sources. The brushless motor ensures efficiency, and the SDS-Plus chuck accepts standard bits for drilling into hard materials.
Users prioritizing portability and lighter weight for overhead work
The RYOBI model weighs 6.48 pounds, making it lighter than many complete kits. This reduced weight helps reduce fatigue during extended overhead drilling or when working on ladders. Its compact design fits easily into tight spaces, allowing for precise control when installing anchors or fixtures.
The products compared
Seesii 1-Inch Brushless SDS-Plus Rotary Hammer
Best for: Moderate DIY masonry drilling
- Power Source
- Cordless
- Impact Energy
- 2.8 Joules
- Chuck Size
- 1 in.
- Bit System
- SDS-Plus
- Motor Type
- Brushless
- Operating Modes
- 4 modes
View on Amazon: Seesii 1-Inch Brushless SDS-Plus Rotary Hammer Affiliate link
This Seesii cordless rotary hammer features a brushless motor delivering 2.8J of impact energy at 5,000 BPM. It uses the SDS-Plus bit system for concrete, wood, and metal. The kit includes two 4.0Ah batteries and four operating modes. It suits homeowners and DIYers who need versatile drilling power without cords. The 1-inch chuck handles standard masonry bits efficiently.
Pros
- 2.8J impact energy for tough masonry
- Brushless motor for efficiency
- Four operating modes including chiseling
- Includes two 4.0Ah batteries
Cons
- Lower impact energy than RYOBI HP
- Heavier and bulkier build
- No app connectivity
Good fit if
- You need reliable cordless masonry drilling
- You want versatile mode switching
- You prefer included dual batteries
Skip if
- You require maximum hammer force
- You need smart tool integration
- You prefer lighter handheld tools
Verdict: Seesii 1-Inch Brushless Rotary Hammer fits users who value included batteries and mode versatility over raw power. It is a solid option for moderate DIY tasks but lacks the punch of higher-end competitors.
RYOBI 18V Brushless 1-Inch SDS-Plus Rotary Hammer
Best for: RYOBI battery owners needing a dedicated hammer drill
- Power Source
- 18V
- Chuck Size
- 1 in.
- Bit System
- SDS-Plus
- Motor Type
- Brushless
- Battery Included
- No (tool only)
- Weight
- 6.48 lbs.
View on Amazon: RYOBI 18V Brushless 1-Inch SDS-Plus Rotary Hammer Affiliate link
This RYOBI ONE+ HP rotary hammer is a bare tool designed for 18V battery systems. It features a brushless motor and an SDS-Plus chuck for 1-inch bits. The unit weighs 6.48 pounds and measures 12.7 inches in length. It suits users who already own compatible batteries and need a dedicated hammer drill for masonry work without the cost of a kit.
Pros
- Brushless motor for improved efficiency and runtime
- SDS-Plus bit system for quick bit changes
- Compatible with the 18V ONE+ battery ecosystem
- Tool-only design reduces initial weight and cost
Cons
- Battery and charger are not included
- Heavier than the Seesii alternative at 6.48 lbs
- Single voltage platform limits cross-compatibility with other systems
Good fit if
- You already own RYOBI 18V batteries
- You need a dedicated rotary hammer for masonry
- You prefer brushless motor technology for durability
Skip if
- You need a complete kit with batteries included
- You require a lighter tool under 6 lbs
- You prefer corded power sources for continuous use
Verdict: RYOBI 18V Brushless SDS-Plus Rotary Hammer fits users who already have RYOBI batteries and need a durable, brushless hammer drill for masonry tasks. It is a solid upgrade for existing system owners.
Specifications side by side
| Spec | Seesii 1-Inch Brushless SDS-Plus Rotary Hammer | RYOBI 18V Brushless 1-Inch SDS-Plus Rotary Hammer |
|---|---|---|
| Power Source | Cordless | 18V |
| Impact Energy | 2.8 Joules | not stated |
| Chuck Size | 1 in. | 1 in. |
| Bit System | SDS-Plus | SDS-Plus |
| Motor Type | Brushless | Brushless |
| Operating Modes | 4 modes | not stated |
| Battery Included | Yes (2x 4.0Ah) | No (tool only) |
| Blows Per Minute | 5000 BPM | not stated |
| Weight | not stated | 6.48 lbs. |
| Voltage | not stated | 18V |
| Included Tools | Drill Driver, Hammer Drill, Rotary Hammer | Drill Driver, Hammer Drill, Rotary Hammer |
| Bit Type | SDS-Plus | SDS-Plus |
| Application | Concrete | not stated |
| Dimensions | 16 × 5.8 × 13 inches | 12.7 × 9.09 × 4.45 inches |
| Color | Blue | Black,green |
| Model | HB-BL2681 | #P223 |
Frequently asked questions
Is the Seesii rotary hammer a brushless motor model?
Yes, the Seesii 1-Inch Brushless SDS-Plus Rotary Hammer features a brushless motor. This motor type is designed to offer longer runtime and increased durability compared to brushed alternatives. It is part of a kit that also includes a drill driver and a hammer drill.
Does the RYOBI rotary hammer come with batteries included?
No, the RYOBI 18V Brushless SDS-Plus Rotary Hammer is sold as a bare tool. It does not include batteries or a charger. This model is intended for users who already own RYOBI 18V batteries and need a dedicated hammer drill for their existing system.
What is the weight of the RYOBI rotary hammer?
The RYOBI model weighs 6.48 pounds. This weight contributes to its balance during heavy-duty masonry tasks. The Seesii model does not list a specific weight in its published specifications, so direct comparison of heft is not possible based on available data.
What size bits do these rotary hammers accept?
Both tools accept 1-inch SDS-Plus bits. This standard bit type allows you to use a wide variety of masonry drill bits and chisels. The compatibility ensures that you can swap between the Seesii and RYOBI models without needing different accessory sets for basic drilling.
Which tool is better for users who already own RYOBI batteries?
The RYOBI 18V Brushless SDS-Plus Rotary Hammer is the better choice for existing RYOBI battery owners. It integrates seamlessly into your current power tool ecosystem. The Seesii model includes its own batteries, which may not be compatible with your existing RYOBI chargers or packs.
What are the dimensions of the Seesii rotary hammer?
The Seesii model measures 16 inches in length, 5.8 inches in width, and 13 inches in height. These dimensions help determine if the tool fits comfortably in your workspace or storage case. The RYOBI model has different dimensions, measuring 12.7 inches in length.
Does the Seesii kit include a storage case?
Yes, the Seesii kit includes a storage case. This allows you to organize the rotary hammer, drill driver, batteries, charger, and accessories in one place. The RYOBI bare tool does not include a case, so you will need to provide your own storage solution.