Greenworks Tools Battery Fast Charger G40UC4 (Li-Ion 40 V 4 A 30 min Charging Time with 2 Ah Battery Suitable for All Devices and Batteries of the 40 V Greenworks Tools Series) :
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Makita DC40RA 40v Max XGT Li-Ion Rapid Battery Charger | Powertool World
Ryobi 40V Battery and Charger Kit 4.0 Ah Lithium-Ion Battery Set OEM OP4040 + OP403A - - Amazon.com
Greenworks Battery Quick Charger G40UC (Li-Ion 40 V 2,2 A 60 min Charging Time with 2Ah Battery Suitable for All Devices and Batteries of the 40 V Greenworks Tools Series) : Amazon.co.uk: