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Bafang BBSHD • 33.6°C battery temperature after 25min ride at 1350w (70x Panasonic PF cells 14s pack

3,040 views · Published 18 December 2015 · 0:56 · Indexed 5 October 2026

Channel: BrunoPOWEEER · 2015 · Science & Technology

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*The cells were actually 33.6°C degrees (the backpack was 31c) =]

Playlist with more BBSHD videos: https://www.youtube.com/playlist?list=PL59mIOWSOm9rFcoO_dR0gSrRoVr7qhZKm
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My extremely overpowered & modified BBSHD setup:

Motor:
•Bafang BBSHD 1000w 48v (1455watts peak)
•Custom controller settings with 100% throttle enabled at PAS-0 and no speed limit (unloaded wheel spinning at 102kmh with 46T)
•46 tooth chainring (74.1km/h top speed on flat)
•189 RPM at 58.8v (factory settings 160 RPM maximum)
•4.8kg motor

Battery:
•Homemade 14s 5p 58.8v 14.5Ah battery pack capacity 
•1,5 hours safe fast charge (6A 350w charger set at 59v)
•3.65kg battery pack transported inside my backpack connected to the bike with XT90-S high discharge anti-spark connector.
•70x NCR18650PF Panasonic High Current cells
•Waterproof "bare cells" pack style for better cooling
•No BMS for 100% charge (4.2v per cell) = 100% performance!! 
•Range (with BBS02 motor): +/-26km in the city / 36km continuous full throttle with only few stops

Dashboard:
•V3 Cycle Analyst with with 1.00m ohms shunt
•Bafang C961 display
•2x 15 watts LED headlights (two modes: normal or high bean)
•Waterproof red LED voltmeter to monitor battery sag and performance during the ride.

Throttle / Brake Sensor:
•Left thumb throttle (connected to the BBSHD controller) adapted to road bike handlebar, set up between the brake lever and the bar (almost invisible) mounted on a copper T-joint (used for plumbing, same thickness as the handlebar) the long bit cut in half riveted to the bar with the other bit sticking out enough to mount the throttle.
•Magnetic cut-off sensor in line connected to my mechanical rear brakes

Bicycle:
•9kg Trek Road Bike
•Easton (rear) Shimano (front) performance 700c racing wheels with aerodynamic flat spokes
•Mechanical brakes

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