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Insta360 Pro PT854291-2S Compatible Battery 7.6V 5000mAh

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From $151.99 USD $185.99
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Fits Insta360 Pro, Pro VR, Pro 2 models; replaces OEM part PT854291-2S directly.
7.6V, 5000mAh lithium-ion cell delivers 38Wh to sustain extended 360-degree capture sessions.
Connector seats flush into the battery slot with positive contact alignment; no adapter needed.
We bench-tested the BMS handshake on a Pro body — cell accepted after one charge cycle in the camera itself.
On first install in the Pro, charge fully in the camera body before shooting; the BMS requires an internal charge cycle to map the new cell's discharge curve for accurate remaining-capacity display.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.6V

Amp

5000mAh

Insta360 Pro / Pro 2 Series — 7.6V Li-ion Replacement Battery (PT854291-2S)

This is a 7.6V 5000mAh (38Wh) Li-ion replacement battery for the Insta360 Pro, Pro VR, and Pro 2. All three bodies use the same battery bay, connector, and BMS communication protocol. Voltage and capacity match OEM part PT854291-2S exactly.

  • Pro, Pro VR, and Pro 2 compatibility: All three models share the same battery bay geometry and BMS handshake. The voltage rail sits at 7.6V nominal across the platform, so the same cell works without modification or adapters.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the Pro 2 body. The BMS accepted the cell without error flags, balanced charge terminated correctly at 8.4V, and discharge cutoff engaged at the expected low-voltage threshold.
  • First-cycle initialisation on the Pro body: Complete the first full charge cycle inside the camera body using the OEM charger — not a third-party USB-C charger. The Pro's BMS maps its battery-remaining display to the discharge curve during that first cycle. Skipping this step causes erratic percentage readings through the cell's life.

Why the Insta360 Pro shows a dead battery indicator on a partially charged replacement cell

The Pro's battery indicator reads voltage thresholds, not raw state-of-charge from a fuel gauge IC. A new cell that hasn't completed one full charge-discharge cycle inside the body presents a voltage curve the BMS doesn't yet have mapped. This causes the camera to display low or empty even when the cell holds a genuine charge. Run one full charge cycle in-camera before trusting the indicator. After that cycle, the display tracks accurately.

Battery percentage jumping erratically during 360° recording

Six lenses running simultaneously, real-time stitching, and active cooling all draw current at once. This combined load causes voltage sag mid-discharge, which the indicator interprets as a sudden drop in charge state. The percentage can swing 10–15% in seconds and then recover when load drops between clips. This is a BMS voltage-mapping response, not a defective cell. If jumps exceed 20% or the camera shuts down without warning, check that resting voltage after a full charge reaches 8.3–8.4V.

Compatible Models

Pro Pro VR Pro 2

Replaces Part Numbers

PT854291-2S

Technical Specifications

Voltage7.6V
Amp Hours5000mAh
Capacity5000mAh
Rate38Wh
Net Weight172g /6.07 oz
Gross Weight322g /11.36 oz
Approximate Weight322g /11.36 oz
Dimension 111.60 x 46.35 x 20.70mm

Product Highlights

  • Brand: Insta360
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

The Insta360 Pro 2 won't recognise the new battery — shows "no battery" even though it's fully seated. What's wrong?

The Pro 2 runs a BMS authentication check on first contact with a new cell, and it can fail if the cell voltage is below the camera's acceptance threshold out of the box. Seat the battery, connect the OEM charger directly to the camera body, and let it charge fully before powering on. That charge cycle triggers the handshake and clears the rejection flag. After one full in-camera charge, the body accepts the cell consistently.

The battery percentage drops from 80% to 30% in seconds during a long 360° recording session, then jumps back up — is the cell faulty?

It's not a faulty cell. The Pro's six-lens capture, real-time stitching processor, and thermal management all spike current draw simultaneously during sustained recording. That sudden load causes a voltage sag the BMS reads as a sharp state-of-charge drop. When load eases between clips, voltage recovers and the percentage climbs again. Confirm the cell is healthy by checking resting voltage 30 minutes after a full charge — it should sit between 8.3V and 8.4V.

The Insta360 Pro battery drains noticeably faster in cold outdoor shoots — is this a defective cell?

Li-ion cells lose usable capacity as temperature drops because internal resistance rises and lithium-ion mobility slows. At temperatures below 10°C, the Pro's draw from stitching and stabilisation processing compounds this effect. The cell isn't defective — capacity returns once the body warms up during use. For cold-weather shoots, keep a second cell in an inner pocket and swap when the indicator hits 20% rather than waiting for a low-battery shutdown.

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