EVFREAKS Race 81V 50Ah Battery for Sur-Ron Light Bee
Built for extreme performance, the EVFREAKS 81V 50Ah Race Battery delivers up to 60kW peak and 25kW continuous output – giving you all the torque and acceleration needed for serious off-road riding and competition-level racing. With a 550A peak discharge, this battery is engineered for riders who demand maximum power and responsiveness from their setup.
Every unit is hand-built in Germany using Grade AA+ 21700 cells, copper-welded (no nickel), and assembled with premium materials to ensure safe, reliable, and consistent power delivery under the most demanding conditions. Housed in a 1.5mm stainless steel IP65-rated case, and equipped with an active 650A BMS, AWG6 silicone cabling, and QS8 anti-spark connectors, this pack is designed for riders who don’t compromise.
Custom made to order – 2 to 3 weeks production time.
Technical Specifications:
Specification |
Detail |
Voltage |
81V |
Capacity |
50Ah (3855 Wh) |
Peak Power |
40–60kW discharge |
Weight |
18 kg |
Protection Rating |
IP65 |
Enclosure |
1.5mm stainless steel |
Battery Management System |
650A rated |
Bluetooth Interface |
App (Android & iOS) |
Warranty Coverage |
1 year |
Shipping Availability |
UK & EU stock |
Included with Purchase:
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Discharge phase cable replacement harness (6AWG with QS8 connector)
-
125A high-current upgraded breaker
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Lid extension hardware (required if not using EVF seat extenders – battery is 25mm taller than stock)
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Air wedge to prevent battery movement
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Full remote support from an EVFREAKS engineer for installation & programming
PLEASE NOTE:
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For off-road/race use only – not road legal
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Charger not included – optional adjustable chargers (0–15A / 0–40A) available
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DIY installations are at your own risk
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Always charge in a dry, ventilated, and supervised location
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Professional installation is strongly recommended
Why EVFREAKS?
At EVFREAKS, we don’t rely on mass-produced components or Chinese imports. Every battery is hand-built in Germany using only AA+ grade cells and premium materials to ensure unmatched performance, safety, and longevity. Since 2021, our builds have proven themselves in racing conditions – where consistency and reliability matter most. We're not just selling batteries; we're engineering purpose-built power systems that outperform anything else on the market. No compromises.