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This is a replacement lithium-ion battery for the Xiaomi 70mai Pro dashcam, sold under the Cameron Sino brand. It is a 3.7 V, 900 mAh pack in the HMC1450 form factor, built to drop into the dashcam's battery slot. It suits owners whose original dashcam battery no longer holds a charge or has swollen. It is a functional part rather than an upgrade: capacity and voltage match the original, so expect the same short parking-mode runtime, not longer. Cameron Sino is a well-known aftermarket battery maker, and buyers of its packs generally report correct fit, though some note that aftermarket cells can age faster than OEM ones.
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Lowest price we've seen: $22.19 on Nov 11 at Newegg. Tracked across 1 store since Nov 11.
Buyers of Cameron Sino replacement batteries for dashcams generally report that the pack fits and the camera powers on again. Feedback on longevity is mixed, with some packs holding up well and others fading within a year.
This is a Cameron Sino replacement battery for the Xiaomi 70mai Pro dashcam, model HMC1450. It uses lithium-ion (Li-Ion) technology and comes in black.
The battery has a capacity of 900 mAh and a voltage of 3.7 V.
