2S 4200mAh 85C LiPo Battery Pack with Hard Case for RC Car Truck
Summary of 2S 4200mAh 85C Hard Case Battery
The 2S 4200mAh 85C LiPo Battery Pack delivers extreme discharge performance for competitive RC cars and trucks. With a rugged hard case, high-consistency cells, long cycle life, and full customization options, this pack is built for racers seeking maximum acceleration, speed, and reliability.
2S 4200mAh RC Car LiPo Battery Parameters
Model: CP4200HN85-2S
Battery Type: 2S LiPo Battery
Nominal Capacity: 4200mAh
Nominal Voltage: 7.4V
Energy: 31.08Wh
Energy Density: 136.32Wh/kg
Charge Cut-off Voltage: 8.4V
Discharge Cut-off Voltage: 6V
Standard Charge Current: 0.2C (840mA)
Max Charge Current: 1C (4200mA)
Standard Discharge Current: 0.2C (840mA)
Max Continuous Discharge Current: 85C (357A)
Max Peak Discharge Current: 170C (714A)
Cycle Life: More Than 500 Times
Dimensions: 24.9 × 47 × 139 mm
Weight: 228g
Charge Temperature Range: 0°C to 45°C
Discharge Temperature Range: -20°C to 65°C
Storage Temperature Range:
- -20℃~25℃: More than 12 months
- -20℃~45℃: Less than 3 months
- -20℃~60 ℃: Less than 1 month
Charge Connector: JST-XH
Discharge Connector: Bare wires, XT60, T Deans, EC5 etc
Key Features – LiPo Battery for RC Car
🚀 High-Power Performance for Competitive Racing
The 2S 4200mAh 85C LiPo is engineered for high-rate, long-duration output, allowing RC vehicles to accelerate instantly and sustain top-tier performance throughout the race. Maintains stable voltage under extreme loads. Ideal for high-performance RC cars, drift racers, buggies, SCTs, and RC boats.
This pack is the choice for racers demanding consistent punch lap after lap.
🛡️ Hard Case for Superior Protection
Built with a durable ABS hard shell, this LiPo battery provides superior mechanical and safety protection, effectively shielding the cells from impacts, crashes, swelling, and external damage. This robust enclosure ensures reliability even in aggressive driving environments, making it perfect for race tracks where collisions are common.
🔋 High Cell Consistency + Safe Balanced Charging
Even without a built-in protection board, this battery is designed with tight cell matching and safe balance charging compatibility to ensure uniform discharge behavior and improved stability during high-load racing, resulting in smoother power delivery and a longer overall lifespan for racers.
♻️ Long Cycle Life for Frequent Racers
This 2S pack delivers exceptional durability, maintaining high performance longer than standard RC LiPo batteries by offering 500+ charge cycles while still retaining over 3360mAh ($\ge80\%$) of capacity, making it perfect for racers who practice and compete several times a week.
⚙️ Fully Customizable for OEM/ODM Applications
Your pack can be tailored to fit your brand or device requirements:
Voltage: 3.8V / 3.85V (LiPo or LiHV)
Capacity: customizable
Case style: soft pack / hard case options
Connectors: Deans, EC3, EC5, XT60, XT90, JST, and more
Custom labels & branding
Ideal for RC manufacturers, hobby brands, and distributors.
❓ FAQ — RC Car Battery 7.4V 4200mAh
Q1: Do Lipo batteries make RC cars faster?
A: Yes, LiPo batteries can make RC cars faster because they provide higher voltage stability and can deliver more current than NiMH packs. This results in stronger acceleration, higher top speed, and more consistent power throughout the run.
Q2: How to care for Lipo RC batteries?
A: Store LiPo RC batteries at 3.7–3.85V per cell and avoid fully charging them for long periods. Keep them cool, balance-charge every cycle, and stop using them if they swell or overheat.
Q3: How to choose Lipo battery for RC car?
A: Choose a LiPo battery for an RC car by matching the required voltage (2S, 3S, etc.) and selecting a capacity that fits your runtime needs and battery tray size. Also check the discharge rate (C-rating) to ensure it can supply enough current for your motor and ESC.
Q4: How to charge a 7.4 v Lipo battery?
A: Charge a 7.4V LiPo battery using a balance charger set to 2S LiPo mode, ensuring each cell is charged evenly. Always charge it on a fireproof surface, monitor the process, and never exceed the recommended current (typically 1C).
Q5: Are you manufacturer or trade company?
A: Cestpower is one of the top 5 RC LiPo battery manufacturers in China, specializing in high-rate LiPo, LiHV, and custom battery solutions for RC cars, drones, and hobby markets. Welcome to contact us to know more.
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