EU S400E laptop battery, replacement S400E Li-ion battery pack

When order the S400E laptop battery, you should open your S400E laptop, Carefully compare it with your original S400E battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.

S400E laptop battery, 7.4V 5136mAh, 38.00Wh

Battery Code:	NAUC21X40238WHB4
Battery Name:	S400E battery
Battery Type:	Li-Polymer
Battery Volt:	7.4V
Battery Capacity:	5136mAh, 38.00Wh
Battery Color:	Black
Battery Weight:	235g
Battery Size:	288.40 x 66.80 x 7.40mm
Battery Cells:	Grade A, 4 Cells
Battery Condition:	original/genuine 1 Year Warranty
Compatible Battery Models:	[ C21-X402 ], [ C21X402 ],

In stock
Original price: € 72.36
Today's price:

€ 50.65
(Updated: Sep 2026 In stock)
You save: € 21.71

S400E laptop battery, 11.1V 4000mAh, 44.00Wh

Battery Code:	NAUC31X40244WHB6
Battery Name:	S400E battery
Battery Type:	Li-Polymer
Battery Volt:	11.1V
Battery Capacity:	4000mAh, 44.00Wh
Battery Color:	Black
Battery Weight:	234g
Battery Size:	288.40 x 66.80 x 7.40mm
Battery Cells:	Grade A, 6 Cells
Battery Condition:	original/genuine 1 Year Warranty
Compatible Battery Models:	[ C31-X402 ], [ C31X402 ], [ 0B200-00300200M ], [ X40PW91 ],

In stock
Original price: € 71.39
Today's price:

€ 49.97
(Updated: Sep 2026 In stock)
You save: € 21.42