In the high-stakes world of mini RC racing, where every millivolt and milligram counts, a quiet revolution is happening beneath the plastic chassis of Losi Mini T/B and JRX2 vehicles. This is the story of how ProTek’s 2S 50C 1100mAh battery isn’t just powering cars – it’s rewriting the rules of miniature performance.

The Mini RC Dilemma: More Power, Less Compromise
Every mini RC enthusiast knows the frustration: you want the explosive acceleration of a high-discharge battery, but standard LiPos either overheat, sag prematurely, or require constant adapter juggling. Most settle for mediocre performance or spend hours modifying their setups. But at what cost? Shortened battery life, inconsistent voltage delivery, and the constant anxiety of damaging your precious electronics.
Enter ProTek’s Silicon Graphene solution – a battery that delivers 50C punch in a 68g package with factory-installed EC2 connectors. No adapters. No soldering. Just pure, consistent power that lasts up to twice as long as conventional LiPos. This isn’t just an upgrade; it’s liberation from the cycle of compromise that has plagued mini RC enthusiasts for years.
Engineering Excellence: The Three-Level Breakdown
1. Physical Architecture
At just 58x32x20mm, ProTek’s engineers have packed an astonishing 1100mAh capacity into a form factor that slips perfectly into Losi Mini T/B and JRX2 battery trays. The EC2 connector isn’t an afterthought – it’s factory-installed for perfect alignment and minimal resistance.
2. Chemical Innovation
Silicon Graphene technology represents a quantum leap from conventional lithium polymer chemistry. The graphene matrix provides unparalleled electron mobility, while silicon nanoparticles increase energy density. This synergistic combination yields that magical 50C discharge with cooler temperatures and less voltage sag.
3. Performance Dynamics
Unlike traditional LiPos that show dramatic voltage drop as they discharge, ProTek’s Silicon Graphene maintains a remarkably flat discharge curve. This means your Mini T/B or JRX2 delivers consistent lap times from the first turn to the final straightaway.
The Performance Matrix: How ProTek Outpaces the Competition
| Feature | ProTek 2S 50C | Standard LiPo | Premium Competitor |
|---|---|---|---|
| Cycle Life (1C charging) | 400+ cycles | 200 cycles | 300 cycles |
| Voltage Sag at 50C | <5% | 15-20% | 8-10% |
| Weight per mAh | 0.062g/mAh | 0.075g/mAh | 0.068g/mAh |
| Max Charge Rate | 4C (4.4A) | 1-2C | 3C |
From Frustration to Domination: A Mini RC Racer’s Journey
The Struggle: Voltage Sag at Critical Moments
“I was constantly adjusting my driving style to compensate for battery fade,” recalls competitive mini RC racer Jason T., “By the final lap, my Mini B would feel like it was running through molasses while competitors pulled away.” Like many racers, Jason cycled through multiple battery brands, each with their own compromises.
The Revelation: Silicon Graphene’s Consistent Delivery
“The first time I used the ProTek 2S 50C, I thought my ESC settings were wrong – the car felt too fast at the end of the race. Then I realized: the battery wasn’t fading. That flat discharge curve meant I could push hard every lap without worrying about power drop-off.”
The Transformation: From Mid-Pack to Podium
“With the ProTek battery, I’m not just faster – I’m more consistent. My lap times vary by tenths instead of seconds. In our last club race, I qualified third but won the final because my car maintained its pace while others faded. That’s the difference Silicon Graphene makes.”
Beyond the Track: Why This Battery Matters
The ProTek 2S 50C 1100mAh battery isn’t just about winning races – though it certainly helps. It’s about transforming the entire mini RC experience:
Practice Sessions
More laps per charge means more productive tuning sessions without constant battery swaps.
Backyard Bashing
The rugged Silicon Graphene construction withstands the bumps and jumps of aggressive driving.
Technical Driving
Predictable power delivery helps master precise throttle control techniques.
The ProTek Promise: Performance Without Compromise
At $17.99, the ProTek R/C 2S 50C 1100mAh battery delivers professional-grade performance at an accessible price point. Whether you’re a weekend basher or a competitive racer, this battery represents a fundamental shift in what mini RC vehicles can achieve. The combination of Silicon Graphene technology, factory-installed EC2 connectors, and optimized 1100mAh capacity creates a package that simply has no equal in the mini RC battery market.
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Note: Always follow proper LiPo safety procedures when charging and storing your batteries. Store at room temperature in a fireproof container when not in use.