GR-3 hot-swap battery packs, 702 Wh + 234 Wh
GR-3's two 46.8 V lithium-ion packs that can be swapped one at a time while the robot stays on.
In-houseMade by the robot's own company for its robots. Not sold to anyone else.
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Why this price
Fourier makes GR-3's packs for its own robot and does not sell them, so this is not their price. It is the price of comparable 44 to 48 V lithium packs of about 620 to 710 Wh, near the 702 Wh main pack, that a builder can buy. The small 234 Wh pack has no close listed match; the nearest is Unitree's 46.8 V G1 pack at about US$700.
Our own figure, not a price from any company.
Based on: NextFPV, Tattu Plus 1.0 Compact 16000mAh 44.4V 12S (nextfpv.com)
How to get it
In-houseIt cannot be bought on its own. To get one, you would buy a robot that has it, from the list below. Comparable parts you can buy, with their prices, are listed further down.
About GR-3, Fourier Document Centersupport-old.fftai.com
Comparable parts you can buyNot the confirmed part
4 products, scroll sideways
Products on public sale that do the same job, with why each is similar and where to buy it. None is confirmed to be the part inside these robots.
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