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Bosch PS21 Pocket Driver Has Two Speed Drive Train and Lithium Ion Battery
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Bosch PS21 Pocket Driver with Lithium-Ion Battery Bosch's PS21 pocket driver has plenty of driving power for being one of the lightest and most compact tools on the market.

It’s only been in the last few years that Lithium-Ion battery technology has had tool companies creating compact tools with oversized power — and now, Bosch says, we’re already in the second generation of this battery technology. That, according to Bosch, means that they could make their PS21 Pocket Driver the most compact and lightest driving tool on the market, with a head length of 5.6", height of 7" from base to top and weight of 1.8 pounds. The PS21 also incorporates Bosch’s Electronic Cell and Motor Protection program, which protects both tool and battery from overloading, overheating and deep discharging. The PS21, which also features a two-speed drivetrain (0-350 rpm and 0-1,300 rpm) and a 20-plus-one clutch, sold for about $130 in 2010.

posted on August 1, 2010 by Woodworker's Journal
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One thought on “Bosch PS21 Pocket Driver Has Two Speed Drive Train and Lithium Ion Battery”

  • Jim Halleron

    I have purchased many of the Bosch 12v drill/drivers. I love them for their power and small size. I use the impact driver the most for I have bought the necessary bit attachments for other tools. I have been fortunate in that in my purchases, I have received many of the 12v batteries along with spare chargers but I have found that they don't drain down like the old NiCad batteries did and the Ion's last far longer and I use them as I would an 18v.

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