Generic BP15 Battery for Volvo Keys, 640mAh 8V Replacement — Built-in Protection

This Generic 640mAh BP15 (part numbers 31450445, P0839A, AC15) replacement battery restores power for compatible Volvo key modules and small electronics used in C40, S60 (MK3), S90, V60 and XC90 models.

If your vehicle accessory or key module shows low-power behaviour and the original BP15 battery is worn, this drop-in replacement matches the original specifications: 640mAh capacity, 8V nominal voltage, and compact dimensions designed to fit the factory compartment. The unit is built with a fully decoded management chip, multi-point protections against overcharge, over-discharge, over-voltage and short-circuit, and it is tested and packaged with shock-absorbing foam for safe transport.

How do I confirm this battery fits my Volvo device?

Check both the device model and the original battery part number before ordering. The replacement is intended for specific Volvo models and exact battery part numbers listed below; mismatches can cause fit or connection issues.

• Compatible models: C40, S60, S60 MK3, S90, S90 2019 T5 Inscription, V60, XC90 2018 T8 Momentum and R-Design.
• Part numbers: 31450445, P0839A, AC15, BP15 — match one of these to your original.
• Compare dimensions: 49.80 x 28.50 x 15.50 mm and connector orientation.

What are the key technical specifications and protections?

This replacement is specified to the same basic electrical and physical parameters as the original battery, and includes an internal protection circuit for safe daily use. It’s factory-tested and ISO9001 certified to ensure consistent performance out of the box.

• Capacity: 640mAh / 5.12Wh; Voltage: 8V.
• Size: 49.80 × 28.50 × 15.50 mm; Weight: 42 g — designed to fit factory compartments.
• Protection: overcharge, over-discharge, over-voltage and short-circuit safeguards.

How difficult is installation and what should I watch for?

Installation is typically straightforward for anyone comfortable with small electronics, and many step-by-step videos are available online. Take care to connect the battery connector correctly, avoid damaging the connector or housing, and never use a low-quality third-party charger when charging the battery to preserve long-term life.

• Follow online installation guides or a service manual for your model.
• Confirm connector seating and correct polarity before powering the device.
• Avoid disassembly, exposure to fire or water, and storage above 60°C (140°F).

What after-sale support and guarantees come with this battery?

The product includes basic customer support and a short-term refund window; contact the seller promptly if you encounter fitment or performance problems. Packaging includes protective foam to reduce transit damage and each battery undergoes quality and safety testing before shipment.

• 30-day refund window and responsive customer support (24-hour response stated).
• Each cell is tested and supplied with protective shipment foam.
• Certified manufacturing standards (ISO9001) for consistent quality.

Who is this for: This BP15 replacement is intended for Volvo owners and independent technicians seeking an OEM-style battery swap for key modules or small vehicle electronics in C40, S60 (MK3), S90, V60 and XC90 2018 models. Choose this unit if you need a compact, spec-matched battery that installs in the original compartment, includes standard safety protections, and comes with basic post-purchase support. Always verify the original part number and dimensions before purchase to ensure compatibility.