Overview
The Power Hobby 2S 7.4V 4000mAh 20C Hard Case LiPo Battery w/ XT90 Plug is a dependable hardcase 2-cell LiPo pack engineered for RC enthusiasts who want reliable steady power delivery and durable impact protection. With 4000mAh of capacity and a 20C continuous discharge rating, this pack is well suited for everyday 1/10-scale RC driving, scale crawling, and standard 2S applications.
The factory-installed XT90 connector ensures secure power transfer to your ESC, while the rugged hardcase shell delivers superior impact protection in demanding RC environments. The JST-XH balance lead provides compatibility with all standard balance chargers.
Key Features
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4000mAh Capacity — Reliable runtime for everyday RC use
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20C Continuous Discharge Rating — 80A peak current for steady throttle response
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Hardcase Construction — Superior impact protection for demanding RC environments
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XT90 Power Connector — Secure, low-resistance power transfer
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JST-XH Balance Lead — Compatible with all standard balance chargers
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Stable Voltage Output — Consistent voltage retention under steady load
Performance Benefits
- Maximum continuous current output of 80A (4.0Ah × 20C) for steady throttle response
- Hardcase shell protects against impact, debris, and chassis vibration
- 29.6Wh of usable energy for solid 2S runtime per pack
- Optimized cell chemistry for consistent performance pack-to-pack
- Backed by Power Hobby's reputation for proven RC battery quality
Usage Notes
- Ideal for everyday 1/10-scale 2S RC cars, trucks, and scale crawlers
- Hardcase form factor fits standard 2S battery trays
- Use only with ESCs rated for 2S LiPo operation
- Always balance charge using a LiPo-compatible charger
- Do not exceed 4.2V per cell when charging
- Avoid over-discharge below safe voltage limits
- Allow battery to cool to ambient temperature before recharging
- Store at proper LiPo storage voltage when not in regular use
Technical Specs
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Battery Type: Lithium-Polymer (LiPo)
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Cell Configuration: 2S (2-cell)
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Nominal Voltage: 7.4V
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Fully Charged Voltage: 8.4V
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Capacity: 4000mAh
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Energy: 29.6Wh
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Continuous Discharge: 20C continuous
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Maximum Continuous Current: 80A (4.0Ah × 20C)
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Standard Charge Rate: 1C (4.0A)
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Main Power Connector: XT90
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Balance Connector: JST-XH (2S)
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Case Type: Hardcase
What's Included
- (1) Power Hobby 2S 7.4V 4000mAh 20C Hard Case LiPo Battery w/ XT90 Plug
Summary
The Power Hobby 2S 7.4V 4000mAh 20C Hard Case LiPo Battery w/ XT90 Plug is the ideal choice for RC drivers seeking dependable, steady 2S power delivery and durable hardcase protection. With 4000mAh of capacity, a 20C continuous discharge rating, hardcase build, and an XT90 connector, this Power Hobby pack performs reliably across a wide range of everyday 2S RC applications.
