STACKED LITHIUM

Power That Changes Everything

Raising the Bar on Power

FLEX 24V Stacked Lithium batteries combine intelligent battery management with Therma-Tech™+ cooling technology to deliver power that changes everything.

200% More Power Icon

200%
More Power

Outperforms traditional lithium, unleashing power that changes everything

300% Longer Battery Life Icon

300%
Longer Battery Life

Battery lifetime lasts four times longer than traditional lithium

100% Faster Charging Icon

100%
Faster Charging

Fully charges in as little as 20 minutes

24V Icon

24V
Cross-Compatible

Operates with all FLEX 24V tools and chargers

The Innovative Design Behind UNMATCHED Power

Our team worked for years to perfect Stacked Lithium technology. The result? Flat, state-of-the-art lithium ion cells designed with multiple tabs that allow energy to move almost effortlessly. Stacked Lithium batteries are engineered specifically for power tools to deliver power that’s unmatched.

FLEX Stacked Lithium Crushes the Competition

The numbers don’t lie. Compare each FLEX Stacked Lithium battery to the competition by choosing from the dropdown menus.*

*FLEX 24V Stacked Lithium batteries compared to 18V or 20V traditional lithium batteries with similar Ah.

Max. Watts (Power) at Peak Discharge Current
400W
DeWalt® 20V max 2.0 Ah
2.0 Ah
5.0 Ah
8.0 Ah
12.0 Ah
400W
Milwaukee® M18™ REDLITHIUM™ 2.0 Ah
2.0 Ah
5.0 Ah
8.0 Ah
12.0 Ah
1200W
FLEX™ 24V stacked lithium 3.5 Ah
3.5 Ah
6.0 Ah
10.0 Ah

put all that power to work

1/2" 2-SPEED HAMMER DRILL WITH TURBO MODE

FX1271T-1H

Step up to unrivaled torque of 1,400 in-lbs plus Turbo Mode for increased speed and power—all the way up to a blazing 2,500 RPM.

Specs
  • No-Load Speed: 0-550/0-2,000 RPM
  • TURBO Speed: 0-700/0-2,500 RPM
  • Impact Rate: 0-8,800/0-32,000 IPM
  • TURBO Impact Rate: 0-11,200/0-40,000 IPM
  • Max. Torque: 1,400 in-lbs, 158 Nm
  • Clutch Settings: 24+D+H
  • Chuck Capacity: 1/2 in, 1/2 po, 1/2 pu
  • Chuck Type: Metal single-sleeve keyless ratchet with carbide teeth
  • Tool Length: 7.2 in, 182 mm
  • Tool Weight (without battery): 3.8 lbs, 1.7 kg
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1/4" Quick Eject Hex Impact Driver with Multi-Mode

FX1371A-1H

Power through the toughest fastening jobs with an unrelenting 2,500 in-lbs of torque, quick eject collet and three speed modes.

Specs
  • No-Load Speed: 0-1,900/2,700/4,000 RPM
  • Impact Rate: 0-4,450 IPM
  • Max. Torque: 2,500 in-lbs, 282 Nm
  • Collet: Quick Eject 1/4 in Hex
  • Tool Length: 4.7 in, 119 mm
  • Tool Weight (without battery): 2.7 lbs, 1.2 kg

7-1/4" Rear Handle Circular Saw

FX2141R-1J

Rip through miles of 2x4s. This powerhouse features magnesium footplate and guards and delivers advanced cutting performance.

Specs
  • Saw Blade: 7-1/4 in • 184 mm
  • No-Load Speed: 6,200 RPM
  • Bevel Capacity: 0-56°
  • Arbor: 5/8 in • 16 mm
  • Cut Capacity at 90°: 2-5/8 in • 66 mm
  • Cut Capacity at 45°: 1-7/8 in • 48 mm
  • Tool Weight (without battery): 10 lbs • 4.5 kg
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1/2" High Torque Impact Wrench

FX1471-1H

Delivers 1,150 ft-lbs of unrelenting torque for when jobs demand nut-busting power. Plus, three speed modes, bolt removal mode and vibration suppression.

Specs
  • No-Load Speed: 0-500/1,000/2,000 RPM
  • Impact Rate: 0-2,450 IPM
  • Fastening Torque: 800 ft-lbs, 1,084 Nm
  • Nut-Busting Torque: 1,150 ft-lbs, 1,558 Nm
  • Anvil Size: 1/2 in, 1/2 po, 1/2 pu
  • Tool Length: 8.7 in, 222 mm
  • Tool Weight (without battery): 6.9 lbs, 3.1 kg

7-1/4" Circular Saw

FX2141-1J

Slice through 3x lumber in one pass. This powerhouse features magnesium footplate and guards and delivers advanced cutting performance.

Specs
  • Saw Blade: 7-1/4 in, 184 mm
  • No-Load Speed: 5,800 RPM
  • Bevel Capacity: 0-56°
  • Arbor: 5/8 in, 16 mm
  • Cut Capacity at 90°: 2-5/8 in, 66 mm
  • Cut Capacity at 45°: 1-7/8 in, 48 mm
  • Tool Weight (without battery): 9lbs, 4kg
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The Hammer Drill with Turbo Mode and Quick Eject Impact Driver Stacked Lithium Kit
The 1/4" Quick Eject Hex Impact Driver in use
The 1/2" 2-Speed Hammer Drill with Turbo Mode in use
The Hammer Drill with Turbo Mode and Quick Eject Impact Driver Stacked Lithium Kit
The 1/4" Quick Eject Hex Impact Driver in use
The 1/2" 2-Speed Hammer Drill with Turbo Mode in use

HAMMER DRILL WITH TURBO MODE AND QUICK EJECT IMPACT DRIVER STACKED LITHIUM KIT

FXM202-2G

Includes 1/2" 2-Speed Hammer Drill with Turbo Mode, 1/4" Quick Eject Hex Impact Driver with Multi-Mode, two 24V Stacked Lithium batteries, and charger.

Specs
  • 1/2" 2-Speed Hammer Drill with Turbo Mode:
    • No-Load Speed: 0-550/0-2,000 RPM
    • TURBO Speed: 0-700/0-2,500 RPM
    • Impact Rate: 0-8,800/0-32,000 IPM
    • TURBO Impact Rate: 0-11,200/0-40,000 IPM
    • Max. Torque: 1,400 in-lbs, 158 Nm
    • Clutch Settings: 24+D+H
    • Chuck Capacity: 1/2 in, 1/2 po, 1/2 pu
    • Chuck Type: Metal single-sleeve keyless ratchet with carbide teeth
    • Tool Length: 7.2 in, 182 mm
    • Tool Weight (without battery): 3.8 lbs, 1.7 kg
    • Accessories Included: Bit Holder, Belt Clip, #2 Phillips Bit, T25 Bit
  • 1/4" Quick Eject Hex Impact Driver with Multi-Mode:
    • No-Load Speed: 0-1,900/2,700/4,000 RPM
    • Impact Rate: 0-4,450 IPM
    • Max. Torque: 2,500 in-lbs, 282 Nm
    • Collet: Quick Eject 1/4" Hex, 1/4 po Hex, 1/4 pu Hex
    • Tool Length: 4.7 in, 119 mm
    • Tool Weight (without battery): 2.7 lbs, 1.2 kg
    • Accessories Included: Bit Holder, Belt Clip, #2 Philips Bit, T25 BiT
FLEX tool with new Stacked Lithium battery technology

Extended Through 12/31/23

FLEX Founders Lifetime Warranty logo

TOOLS | BATTERIES | CHARGERSGain exclusive access to the FLEX Limited Lifetime Warranty on all FLEX 24V tools, batteries and chargers when you register within 30 days of purchase through December 31, 2023.

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Watch FLEX take on the competition with power that changes everything

Powered by Stacked Lithium technology, these FLEX 24V tools went head-to-head with the competition in the FLEX Faceoff Round 2.

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