EU QK644AA battery, rechargeable QK644AA Li-ion battery pack

Please carefully check your original battery to ensure that the model number is QK644AA, and battery voltage, battery shape, battery connector position, and screw hole locations match our battery shown below.

QK644AA battery, 10.8V 4400mAh

Battery Code:	NHC2560P4400B6
Battery Name:	QK644AA battery
Battery Type:	Li-ion
Battery Volt:	10.8V
Battery Capacity:	4400mAh
Battery Color:	Black
Battery Weight:	365g
Battery Cells:	Grade A, 6 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ 463309-241 ], [ 632015-542 ], [ 632423-001 ], [ HSTNN-C48C ], [ HSTNN-C49C ], [ HSTNN-DB2L ], [ HSTNN-DB2M ], [ HSTNN-I92C ], [ HSTNN-UB2K ], [ QK644AA ], [ QK645AA ], [ SX06XL ], [ 632417-001 ], [ 632419-001 ], [ 632421-001 ], [ HSTNN-UB2L ], [ QK645UT ], [ 632015-241 ], [ 632015-242 ], [ 632017-241 ], [ HSTNN-DB2K ], [ HSTNN-XB2J ], [ HSTNN-XB2L ], [ QK644UT ], [ SX03 ], [ SX03031 ], [ SX06 ], [ SX06055 ], [ SX06055XL ], [ SX09 ], [ SX09100 ], [ SX03045XL ], [ HSTNN-DB9P ], [ L77689-2B1 ], [ L77689-2B2 ], [ HSTNN-DB9S ], [ SX09100PCR ], [ 632017-221 ], [ 632017-242 ], [ 632017-222 ],

In stock
Original price: € 49.36
Today's price:

€ 34.55
(Updated: Sep 2026 In stock)
You save: € 14.81

QK644AA battery, 11.1V 7800mAh

Battery Code:	NHC2560P93WHB9
Battery Name:	QK644AA battery
Battery Type:	Li-ion
Battery Volt:	11.1V
Battery Capacity:	7800mAh
Battery Color:	Black
Battery Cells:	Grade A, 9 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ 463309-241 ], [ 632015-542 ], [ 632423-001 ], [ HSTNN-C48C ], [ HSTNN-C49C ], [ HSTNN-DB2L ], [ HSTNN-DB2M ], [ HSTNN-I92C ], [ HSTNN-UB2K ], [ QK644AA ], [ QK645AA ], [ SX06XL ], [ 632417-001 ], [ 632419-001 ], [ 632421-001 ], [ HSTNN-UB2L ], [ QK645UT ], [ 632015-241 ], [ 632015-242 ], [ 632017-241 ], [ HSTNN-DB2K ], [ HSTNN-XB2J ], [ HSTNN-XB2L ], [ QK644UT ], [ SX03 ], [ SX03031 ], [ SX06 ], [ SX06055 ], [ SX06055XL ], [ SX09 ], [ SX09100 ], [ SX03045XL ], [ HSTNN-DB9P ], [ L77689-2B1 ], [ L77689-2B2 ], [ HSTNN-DB9S ], [ SX09100PCR ], [ 632017-221 ], [ 632017-242 ], [ 632017-222 ],

In stock
Original price: € 72.69
Today's price:

€ 50.88
(Updated: Sep 2026 In stock)
You save: € 21.81

QK644AA battery, 10.8V 44.00Wh

Battery Code:	NHC2560P44WHB6
Battery Name:	QK644AA battery
Battery Type:	Li-ion
Battery Volt:	10.8V
Battery Capacity:	44.00Wh
Battery Color:	Black
Battery Cells:	Grade A, 6 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ 463309-241 ], [ 632015-542 ], [ 632423-001 ], [ HSTNN-C48C ], [ HSTNN-C49C ], [ HSTNN-DB2L ], [ HSTNN-DB2M ], [ HSTNN-I92C ], [ HSTNN-UB2K ], [ QK644AA ], [ QK645AA ], [ SX06XL ], [ 632017-241 ], [ SX09100 ], [ SX03045XL ], [ HSTNN-DB9P ], [ L77689-2B1 ], [ L77689-2B2 ], [ HSTNN-DB9S ], [ SX09100PCR ], [ 632017-221 ], [ 632017-242 ], [ 632017-222 ],

In stock
Original price: € 49.11
Today's price:

€ 34.38
(Updated: Sep 2026 In stock)
You save: € 14.73

QK644AA battery, 11.1V 5200mAh

Battery Code:	NHC2560P5200B6
Battery Name:	QK644AA battery
Battery Type:	Li-ion
Battery Volt:	11.1V
Battery Capacity:	5200mAh
Battery Color:	Black
Battery Cells:	Grade A, 6 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ QK644AA ], [ SX06XL ], [ 632016-542 ], [ 632417-001 ], [ 632419-001 ], [ 632421-001 ], [ HSTNN-UB2L ], [ QK645UT ],

In stock
Original price: € 46.13
Today's price:

€ 32.29
(Updated: Sep 2026 In stock)
You save: € 13.84