EU UM09E31 battery, rechargeable UM09E31 Li-ion battery pack

Please carefully check your original battery to ensure that the model number is UM09E31, and battery voltage, battery shape, battery connector position, and screw hole locations match our battery shown below.

UM09E31 battery, 11.1V 4400mAh

Battery Code:	NACT1810T4400B6
Battery Name:	UM09E31 battery
Battery Type:	Li-ion
Battery Volt:	11.1V
Battery Capacity:	4400mAh
Battery Color:	Black
Battery Weight:	302g
Battery Size:	203.90 x 47.60 x 22.40mm
Battery Cells:	Grade A, 6 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ UM09E78 ], [ UM09E71 ], [ UM09E70 ], [ UM09E36 ], [ UM09E31 ], [ 934T2039F ], [ UM09E32 ], [ UM09E51 ], [ UM09E56 ], [ 3UR18650-2-T0455 ], [ LC.BTP00.090 ], [ UMO9E31 ], [ UMO9E32 ], [ UMO9E36 ], [ UMO9E51 ], [ UMO9E56 ], [ UMO9E70 ], [ UMO9E71 ], [ UMO9e78 ], [ LC.BTP00.089 ], [ UM09E75 ], [ UMO9E75 ],

Note: Compatible 10.8v 5800mAh 63Wh

In stock
Original price: € 39.83
Today's price:

€ 27.88
(Updated: Sep 2026 In stock)
You save: € 11.95

UM09E31 battery, 11.1V 7800mAh

Battery Code:	NACT1810T7800B9
Battery Name:	UM09E31 battery
Battery Type:	Li-ion
Battery Volt:	11.1V
Battery Capacity:	7800mAh
Battery Color:	Black
Battery Weight:	450g
Battery Cells:	Grade A, 9 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ UM09E78 ], [ UM09E71 ], [ UM09E70 ], [ UM09E36 ], [ UM09E31 ], [ 934T2039F ], [ UM09E32 ], [ UM09E51 ], [ UM09E56 ], [ 934T2043F ], [ 3UR18650-2-T0455 ], [ LC.BTP00.090 ], [ UMO9E31 ], [ UMO9E32 ], [ UMO9E36 ], [ UMO9E51 ], [ UMO9E56 ], [ UMO9E70 ], [ UMO9E71 ], [ UMO9e78 ],

Coming Soon

UM09E31 battery, 11.1V 5200mAh

Battery Code:	NACT1810T4400W6
Battery Name:	UM09E31 battery
Battery Type:	Li-ion
Battery Volt:	11.1V
Battery Capacity:	5200mAh
Battery Color:	White
Battery Weight:	302g
Battery Size:	203.90 x 47.60 x 22.40mm
Battery Cells:	Grade A, 6 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ UM09E78 ], [ UM09E71 ], [ UM09E70 ], [ UM09E36 ], [ UM09E31 ], [ 934T2039F ], [ UM09E32 ], [ UM09E51 ], [ UM09E56 ], [ LC.BTP00.086 ], [ 934T2055F ], [ 3UR18650-2-T0455 ], [ LC.BTP00.090 ], [ UMO9E31 ], [ UMO9E32 ], [ UMO9E36 ], [ UMO9E51 ], [ UMO9E56 ], [ UMO9E70 ], [ UMO9E71 ], [ UMO9e78 ],

In stock
Original price: € 44.56
Today's price:

€ 31.19
(Updated: Sep 2026 In stock)
You save: € 13.37

UM09E31 battery, 10.8V 5200mAh

Battery Code:	NACT1810T5200B6O
Battery Name:	UM09E31 battery
Battery Type:	Li-ion
Battery Volt:	10.8V
Battery Capacity:	5200mAh
Battery Color:	Black
Battery Weight:	290g
Battery Size:	203.90 x 51.40 x 22.20mm
Battery Cells:	Grade A, 6 Cells
Battery Condition:	Brand New, Replacement Battery, 1 Year Warranty
Compatible Battery Models:	[ UM09E78 ], [ UM09E71 ], [ UM09E70 ], [ UM09E36 ], [ UM09E31 ], [ 934T2039F ], [ UM09E32 ], [ UM09E51 ], [ UM09E56 ], [ 3UR18650-2-T0455 ], [ LC.BTP00.090 ], [ UMO9E31 ], [ UMO9E32 ], [ UMO9E36 ], [ UMO9E51 ], [ UMO9E56 ], [ UMO9E70 ], [ UMO9E71 ], [ UMO9e78 ],

In stock
Original price: € 54.11
Today's price:

€ 37.88
(Updated: Sep 2026 In stock)
You save: € 16.23