EU 9X821 battery, rechargeable 9X821 Li-ion battery pack

Please carefully check your original battery to ensure that the model number is 9X821, and battery voltage, battery shape, battery connector position, and screw hole locations match our battery shown below.

9X821 battery, 11.1V 4400mAh

Battery Code:	NDEID5004400G6
Battery Name:	9X821 battery
Battery Type:	Li-ion
Battery Volt:	11.1V
Battery Capacity:	4400mAh
Battery Color:	Grey
Battery Weight:	280g
Battery Size:	128 x 77.8 x 20.2mm
Battery Cells:	Grade A, 6 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ 0X217 ], [ 1X793 ], [ 310-4482 ], [ 310-5195 ], [ 312-0068 ], [ 312-0191 ], [ 312-0309 ], [ 312-0408 ], [ 315-0084 ], [ 3R305 ], [ 451-10132 ], [ 451-10194 ], [ 4P894 ], [ 6Y270 ], [ BAT1194 ], [ C1295 ], [ G2053A01 ], [ J2178 ], [ U1544 ], [ W1605 ], [ YD165 ], [ 9X821 ], [ 312-0090 ], [ 07W999 ], [ 0R160 ], [ 0R163 ], [ 0Y887 ], [ 1M590 ], [ 1U156 ], [ 1X793A00 ], [ 312-0063 ], [ 312-0084 ], [ 4K445 ], [ 4M010 ], [ 4M983 ], [ 5X005 ], [ 5X905 ], [ 6P758 ], [ 6X962 ], [ 7Y356 ], [ 8Y136 ], [ 999C6610F ], [ 9W723 ], [ C2451 ], [ C2601 ], [ C2603 ], [ CG204 ], [ D0980 ], [ DG056 ], [ H1389 ], [ H9685 ], [ H9686 ], [ J1379 ], [ J9601 ], [ K9726 ], [ KD552 ], [ M9014 ], [ M9265 ], [ M9758 ], [ N9406 ], [ U0487 ], [ U1384 ], [ U1536 ], [ U1543 ], [ W0598 ], [ W1436 ], [ XF490 ], [ Y1238 ], [ Y1333 ], [ Y1338 ], [ YF350 ],

In stock
Original price: € 51.40
Today's price:

€ 35.98
(Updated: Sep 2026 In stock)
You save: € 15.42

9X821 battery, 14.8V 2200mAh

Battery Code:	NDEID5002200G4
Battery Name:	9X821 battery
Battery Type:	Li-ion
Battery Volt:	14.8V
Battery Capacity:	2200mAh
Battery Color:	Grey
Battery Cells:	Grade A, 4 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ 6Y270 ], [ 9X821 ], [ 312-0090 ], [ 451-10133 ],

In stock
Original price: € 54.81
Today's price:

€ 38.37
(Updated: Sep 2026 In stock)
You save: € 16.44