Compatible with OEM Part # W-20 **
Voltage: 3.85V **
Capatity: 5040mAh **
Type: Li-ion Battery. ^^ This battery Compatibility With Nighthawk 5G WiFi 6 Mobile Hotspot Pro By AT&T W-20 MR5100 MR5200, MR5200-100EUS. ^^ The battery was tested many times before it was delivered to the custome. Each battery comes with a special chip to protect your smart phone from over-heating, short-circuit.
^^ Warranty: 12 Months Warranty for customer satisfaction guaranteed30-day money back guarantee.