WONKEGONKE Volvo Siren Alarm Replacement Battery 750mAh (31450445 GBQ6E) 3.42Wh Direct-Fit

This WONKEGONKE 750mAh lithium replacement battery is a direct-fit swap for Volvo 31450445 (GBQ6E / P0839A / 2ICR16/51) digital siren alarm modules, restoring reliable backup power to your vehicle security system.

If the alarm in your Volvo shows low-battery warnings, won’t arm correctly, or produces intermittent alerts, the siren module’s internal battery is often the cause. This replacement battery supplies 3.42Wh of stable power and is engineered to match the form factor and electrical specifications of the original part used in select Volvo models. It’s designed for a straightforward DIY swap or for installation by a technician, with built-in safety protections to help preserve the siren’s electronics.

Which Volvo models is this battery compatible with?

This WONKEGONKE battery is manufactured to replace part numbers 31450445, GBQ6E, P0839A and 2ICR16/51 and fits the siren alarm units used in specific Volvo vehicles. Confirm compatibility by checking your vehicle’s alarm part number or comparing dimensions before purchase.

• Compatible models: C40, S60, S60 MK3, S90, S90 (2019 T5 Inscription), V60, XC90 (2018 T8 Momentum and 2018 T8 R-Design)
• Direct replacement for Volvo 31450445 / GBQ6E / P0839A / 2ICR16/51
• Matches voltage and capacity specifications (750mAh, 3.42Wh)

How long does the replacement battery last and what performance can I expect?

Actual service life depends on usage patterns and ambient temperature, but the 750mAh lithium cell is chosen to deliver steady backup power similar to the OEM unit. You’ll see reliable alarm behavior and consistent voltage across typical operating conditions.

• Capacity: 750mAh, energy: 3.42Wh for sustained backup
• Stable output that supports siren activation and memory functions
• Designed for multi-year service under normal automotive conditions

Is it safe and easy to install this siren alarm battery myself?

The battery includes protections against over-charge, over-discharge and short circuits to safeguard the siren module. Basic mechanical skill and common tools are usually sufficient for a DIY replacement; follow safety guidance and vehicle service instructions when accessing the siren unit.

• Built-in safety features protect the battery and the siren electronics
• Form factor engineered for a direct, precise fit into the siren housing
• Simple tools and step-by-step replacement are typically all that’s required

What should I check before ordering and installing this battery?

Verify the part number printed on your vehicle’s alarm/siren module or consult your service documentation to confirm the original battery matches 31450445 / GBQ6E / P0839A / 2ICR16/51. Take basic safety precautions when working with electronic components.

• Compare part numbers on the existing battery or alarm module
• Confirm physical dimensions and connector type before installation
• Disconnect vehicle power per manufacturer recommendations during replacement

Who is this for: This WONKEGONKE replacement battery is aimed at Volvo owners, independent mechanics, and automotive technicians who need a reliable, OEM-style backup cell for digital siren alarm modules in select C40, S60, S90, V60 and XC90 models. It’s especially useful when the vehicle reports alarm battery faults, the siren behaves inconsistently, or routine preventive maintenance calls for restoring the alarm’s internal power source. If you want a precision-fit, safety-minded replacement that mirrors the original 31450445 specification, this battery is a practical, cost-effective solution.