21V Cordless Self-Priming Transfer Pump | 40-60L/min High Flow
21V Cordless Self-Priming Transfer Pump | 40-60L/min High Flow
21V Cordless Self-Priming Transfer Pump — Powerful, Portable & Versatile
Move fluids fast without being tethered to a power outlet. This compact yet high-performance cordless transfer pump delivers an impressive flow rate of 40–60 liters per minute, making quick work of water transfer, drainage, diesel transfer, and oil pumping jobs — at home, on the job site, or in the field. Made in Mainland China.
Key Features
- High Flow Rate: Pumps 40–60 L/min, handling large volumes efficiently for both light-duty and demanding applications.
- Cordless Convenience: Powered by a 21V lithium battery (also compatible with 12V batteries and 18V packs such as BL1830, BL1840, BL1850, BL1860 and Dayi series) — use it anywhere, no mains power needed. Battery not included.
- Self-Priming Design: Piston-pump structure starts drawing fluid quickly without manual priming, saving you time and effort.
- Wide Fluid Compatibility: Suitable for water, diesel, and engine oil — a truly multi-purpose pump for workshop, farm, campsite, or emergency use.
- Compact & Lightweight Build: Just 38 mm (1.50 in) in diameter and 18 cm (7.09 in) tall. Slips easily into a tool bag for portability wherever the job takes you.
- Extended 2.4 m Cable: Extra reach for accessing fluids from deeper reservoirs, tanks, or containers.
- Durable Construction: Aluminum alloy and plastic housing in a high-visibility orange and blue colorway — built to handle industrial and outdoor environments.
Specifications
| Material | Aluminum Alloy + Plastic |
| Color | Orange + Blue |
| Dimensions | 38 mm diameter × 18 cm height (1.50 in × 7.09 in) |
| Flow Rate | 40–60 L/min |
| Cable Length | 2.4 m |
| Max Head | 4–6 m |
| Power Supply | 21V Lithium Battery / 12V Battery (not included) |
| Compatible Batteries | 18V: BL1830, BL1840, BL1850, BL1860, Dayi series |
| Pump Type | Piston Pump (Self-Priming) |
| Fluid Compatibility | Water, Diesel, Engine Oil |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1 × Cordless Transfer Pump
Note: Battery is NOT included. Please ensure you have a compatible 21V / 18V / 12V lithium battery before use.
Important Notes
- Screen color variations may cause slight differences between product images and the actual item.
- Allow ±1–3 mm measurement tolerance due to manual measurement.
For guidance on safe handling of fuels and oils when using transfer pumps, visit the OSHA Flammable Liquids Safety page.
Frequently Asked Questions
Q: What fluids can this cordless transfer pump handle?
A: This self-priming transfer pump is compatible with water, diesel, and engine oil, making it a versatile tool for automotive, agricultural, and general-purpose fluid transfer tasks.
Q: Does the 21V lithium battery come included with the pump?
A: No, the battery is not included. The pump is compatible with 21V and 12V lithium batteries, as well as 18V packs such as BL1830, BL1840, BL1850, BL1860, and Dayi series batteries.
Q: What is the maximum flow rate of this transfer pump?
A: This cordless transfer pump delivers a high flow rate of 40–60 liters per minute, suitable for both home drainage projects and heavier industrial fluid transfer needs.
Q: Is this pump truly self-priming? Do I need to add fluid before starting it?
A: Yes, the piston-pump design enables self-priming operation, so it can draw fluid without manual priming in most standard setups, saving you setup time.