What nail gun has the longest battery life or magazine capacity?

Product ⇅ Price ⇅ Voltage (V) ⇅ Battery Capacity (Wh) ⇅ Firing Rate (nails per minute) ⇅ Magazine Capacity (nails) ⇅ Weight (lbs) ⇅ Trigger Type ⇅
Milwaukee 2746-21CT
US 		£340.78 ≈ 18 V 2 Ah 3 Nails per second 110 7 lb Contact Sequential

Milwaukee's M18 FUEL 2746-21CT is a cordless 18-gauge brad nailer kit that uses an 18 V REDLITHIUM battery and a nitrogen air spring mechanism for consistent, clean nail seating with zero ramp-up time. It supports sequential and contact actuation firing modes for fast finishing and trim work. Ideal for pros and serious DIYers who want pneumatic-like performance without a compressor or hoses.

★ Ideal for

It pairs an 18 V 2 Ah battery with a 110-nail magazine, which is a strong match for maximizing runtime and reloading intervals in 'longest battery life or magazine capacity' nail gun use cases.

Sources:
Home Depot Trico Lumber DKHardware Home Depot Trico Lumber DKHardware
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Milwaukee 3020-20-2746-20
US 		£453.63 ≈ 18 — 3 nails/sec 110 nails 6.2 lbs Sequential and contact actuation firing modes

Milwaukee's M18 FUEL cordless finish nailer uses a nitrogen air spring mechanism with a brushless motor for fast, consistent firing without compressor or hose. It also has a tool-free jam clearing latch and supports both sequential and contact actuation firing modes, making it suitable for professional finish work and remodelers.

★ Ideal for

For longest battery life or magazine capacity, this tool's 110-nail magazine and up to 700 nails per charge (with M18 CP2.0) help reduce reloads and battery swaps.

Sources:
Home Depot Home Depot
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Metabo HPT NT1865DAA
US 		£302.17 ≈ 18V 2.0Ah 3 nails/sec 100 5.9 lbs Selective

This is an 18V cordless 15-gauge angled finish nailer using an air spring drive system for pneumatic-like performance without hoses or a compressor. It drives up to 700 nails per charge with the included 2.0Ah battery, and has a 100-nail bottom-loaded magazine. It's suited for trim and finish work where you want cordless convenience and consistent results.

★ Ideal for

If you want maximum run time per charge and a full 100-nail magazine, the NT1865DAA is rated for 700 nails per 2.0Ah battery and holds 100 nails, making it a strong choice for longer battery/magazine sessions.

Sources:
Atlas Machinery CPO Power (CP O Tools) Metabo HPT Atlas Machinery CPO Power (CP O Tools) Metabo HPT
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