Seesii 2-in-1 Grease Gun Kit SE-SL-LD-B003
#4 in KitsFull review
A cheap complete kit with a long hose, for occasional greasing around a farm or garage.
Amazon $99.99$99.99
The Seesii 2-in-1 Grease Gun Kit SE-SL-LD-B003 is the better cordless grease gun overall, rated 3.7 to 2.9. The Seesii 2-in-1 Grease Gun Kit SE-SL-LD-B003 leads on value, flow and hose. The Seesii 2-in-1 Grease Gun Kit SE-SL-LD-B003 costs $169.01 less ($99.99 vs $269).
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.
Milwaukee M12 Grease Gun Kit 2446-21XC
#9 in KitsFull review
A small 12 V kit for light automotive greasing. Heavy equipment owners should look at an 18 V gun.
Amazon $269$269
Which should you buy?
- Choose the Seesii 2-in-1 Grease Gun Kit SE-SL-LD-B003 for value ($99.99, kit with battery and charger vs $269, kit with battery and charger), flow (up to 5.3 oz/min vs up to 2.6 oz/min) and hose (48 in hose vs 36 in hose).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every kits cordless grease gun; a clear win is highlighted. How we rank explains each one.
| Factor weight | Seesii 2-in-1 Grease Gun Kit SE-SL-LD-B003 | Milwaukee M12 Grease Gun Kit 2446-21XC |
|---|---|---|
| Overall rating | 3.7/5 | 2.9/5 |
| Value 25% | 100 $99.99, kit with battery and charger | 39 $269, kit with battery and charger |
| Flow 25% | 33 up to 5.3 oz/min | 0 up to 2.6 oz/min |
| Hose 15% | 100 48 in hose | 60 36 in hose |
| Pressure 10% | 100 12,000 psi maximum | 50 8,000 psi maximum |
| Runtime 10% | 50 cartridges per charge not published (neutral score used) | 10 up to 7 cartridges per charge |
| Warranty 15% | 0 warranty not published, scored as none | 100 5-year warranty |
Specifications
| Seesii 2-in-1 Grease Gun Kit SE-SL-LD-B003 | Milwaukee M12 Grease Gun Kit 2446-21XC | |
|---|---|---|
| Output | ||
| Top flow | 5.3 oz/min | 2.6 oz/min |
| Maximum pressure | 12,000 psi | 8,000 psi |
| Speed settings | 2 | - |
| Cartridges per charge | - | 7 |
| Hose length | 48 in | 36 in |
| Power | ||
| Battery system | Makita 18V | Milwaukee M12 |
| Voltage | 18 V | 12 V |
| In the box | 2 x 2 Ah | 1 x 3 Ah |
| Features | ||
| Work light | Yes | - |
| Case or bag | Yes | Yes |
| Build | ||
| Weight | - | 8.2 lb |
| Warranty | - | 5 years |