Bosch 6.0 amp hour Battery

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Bosch 6.0Ah BatteryWhen lithium ion became mainstream in powertools, the maximum 18v battery capacity hovered around 3.0Ah for a few years, before brands began one-upping each other.

Hitachi released the 4.0 amp hour, Metabo released the 5.0 amp hour and many other brands quickly followed suit.

Now, only a few months after launching their 5.0 amp hour battery, Bosch have announced a new 6.0 amp hour battery to arrive in Europe in January 2015 with a price tag of 185 Euros (AU$267). It comes hot on the heels of their wireless charging technology announcement.

Australia is usually a little behind Europe and there is no guarantee all tools or accessories released in Europe will even make their way here, but a Bosch Australia spokesperson told TTT  the Australian release will not be long after Europe’s.

Bosch EU state they are the first manufacturer worldwide to offer a 6.0 amp hour battery which they say has a 20 percent longer runtime than their 5.0 amp hour batteries and up to 50 per cent longer  than their 4.0  amp hour batteries.

TTT understands the 6.0 amp hour is the same size as Bosch’s 3.0, 4.0 or 5.0 amp hour 18v batteries, and weighs 620 grams, the same as the 5.0 and only 20 grams more than the 3.0 or 4.0.

It comes with Bosch’s trademarked CoolPack technology to dissipate heat and prolong battery life, along with Electronic Cell Protection (ECP) to protect the battery from overheating, overload and deep discharge.

Along with the battery comes a new multi-voltage charger that can charge Bosch lithium-ion batteries from 14.4 volts to 36 volts and will offer faster charging times, juicing up a 4.0 amp hour 18v battery in 35 minutes and the 6.0 amp hour in 50 minutes.

Makita’s Rapid Optimum Charger (DC18RA) is the fastest charger TTT is aware of, offering 22 minute charge times of 3.0 amp hour batteries and has an inbuilt fan Makita says prevents damaging heat build-up.

For more info on fast-charging lithium ion, read this post from Battery University.

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Tom is the founder and publisher of Tools Trades Toys. He has been working as an editor and producing content for the trades for around five years. He loves to tell a good story.

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