402035 250mAh 3.7V Li-Polymer replacement battery for DVR dash cam 368A 526 518 528 538
Back view of 402035 250mAh 3.7V Li-Po battery for DVR dash cam showing dimensions

402035 250mAh 3.7V Li-Po Battery for DVR Dash Cam (36×29×4mm)

$11.99

✅ Brand New | 🔋 402035 250mAh 3.7V | 📷 For DVR Dash Cam (36×29×4mm)

8 in stock

🛡️ PayPal Protected (Buyer coverage included)✅ 90-Day Warranty
SKU: 402035-MIO Category: Tags: , , ,

Description

Battery model: 402035

Battery capacity: 250mAh

Rated voltage: 3.7V

Charge limit voltage: 4.2V

Battery type: Li-Polymer

Dimensions: 36 × 29 × 4mm

Compatible with: DVR 368A, 526, 518, 528, 538, 536, 408A, 658, 668, 688, 772, 790 and similar dash cam models

Package include: 1 x battery

Restore the backup power of your dash cam with this high-quality 402035 250mAh replacement battery. Designed for DVR recorders, this Li-Polymer cell delivers reliable performance for saving final recordings when power is cut. Built-in multi-layer safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE, RoHS, and UN38.3 certified for safety compliance. Professional installation recommended as the battery is soldered to the circuit board.

Compatibility Note: Compatible with DVR models 368A, 526, 518, 528, 538, 536, 408A, 658, 668, 688, 772, 790 and similar dash cams using 402035 battery. Please verify your device’s battery size (36×29×4mm) and connector type before purchasing. This battery comes with pre-soldered wires or connector based on your device’s original configuration.

Battery Care Tips: Avoid full discharge (keep above 20%). Keep away from high temperatures. If swelling occurs, stop use immediately. For dash cams, replace the battery if the device fails to save the last recording when power is disconnected.

✅ Condition: Brand New – Never used, premium quality

✅ CE / RoHS / UN38.3 Certified – Safety tested

✅ 90-Day Warranty – Hassle-free replacement

✅ Ships in 3-7 days with tracking – Fast delivery

🛡️ Shipping Protection Available at Checkout – Covered against loss, damage, or theft

✅ PayPal Buyer Protection included – Secure checkout

🔋 Can’t find your battery model? Use our FREE Battery Lookup Service – tell us your device and we’ll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery

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Frequently Asked Questions

This 402035 250mAh battery is compatible with DVR models 368A, 526, 518, 528, 538, 536, 408A, 658, 668, 688, 772, 790 and similar dash cams that use a 402035 size battery. Please verify your original battery dimensions (36×29×4mm) before purchasing, as dash cam batteries can vary by model.

Dash cams use this internal battery to save the last recording when the car power is cut. If your dash cam fails to save the final video when the engine is turned off, or if the date/time resets frequently, the internal battery likely needs replacement.

We offer a 90-day warranty against manufacturing defects. If you experience any issues with the battery, please contact us and we'll help resolve the problem. Orders ship in 3-7 days with tracking provided. Shipping protection is available at checkout. For full details, please visit our "What to Know Before You Buy" page.

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