AccuCell Akku Xiaomi Redmi K40

Replacement battery Xiaomi BM4Y, Redmi K40, K40 Pro, Poco F3, etc.

Short and compact, our battery introduces itself.

✅ Lithium-Polymer battery, resulting in low capacity loss during long storage.
✅ 3.87 volts voltage, 4520mAh capacity, 17.5 Wh energy content.
✅ Protection against short circuits and overcharging, dimensions 86.1mm x 64.1mm x 4.5mm.
✅ High-quality workmanship, no memory effect.

High-quality replacement battery replaces the BM4Y battery with a voltage of 3.87 volts and a capacity of 4520mAh. The resulting energy content of the Xiaomi BM4Y replacement battery is 17.5 Wh. Our battery is suitable for Xiaomi Redmi K40, K40 Pro, and some other devices. A detailed list of all compatible devices can be found at the end of the product description.

Battery compatible with Xiaomi Redmi K40

Our battery for Xiaomi BM4Y can be charged with its own charger. The integrated protection against short circuits and overcharging provides you with the necessary safety when using our replacement battery for Xiaomi Redmi K40. The dimensions for this battery are 86.1mm x 64.1mm x 4.5mm.

Technical specifications for the Xiaomi BM4Y battery

Voltage: 3.87 volts
Capacity: 4520mAh
Energy content: 17.5 Wh
System: Li-Polymer battery
Weight: 57.61 grams
Dimensions: 86.1mm x 64.1mm x 4.5mm

Our replacement battery is compatible with the following devices:

• Xiaomi Redmi K40
• Xiaomi Redmi K40 Pro
• Xiaomi Poco F3
• Xiaomi Mi 11i
• Xiaomi Mi 11X
• Xiaomi Mi 11X Pro

and replaces the following battery types:

• Xiaomi BM4Y.