Description
The Crocks Pack Moli INR 18650 P28A 14.8V 5600mAh 4S2P 60A/70A Discharge Li-ion Drone Battery Pack
is a high-capacity, high-current Li-ion battery pack ideal for drones, UAVs, and RC applications that demand both voltage and endurance. This pack uses eight Molicel INR‑18650 P28A cells arranged in a 4-series, 2-parallel (4S2P) configuration. With this layout, it provides a nominal voltage of 14.8 V (4 × ~3.6 V) and a total capacity of 5.6 Ah, giving substantial energy for longer flight times or power-hungry setups.
Thanks to the P28A cells’ excellent power handling, this pack supports continuous discharge up to 60 A, with a peak burst capacity of around 70 A. This makes it capable of handling aggressive throttle maneuvers, high-current motor draws, or fast acceleration without compromising safety or cell health.
Molicel’s P28A cells are well-regarded for their balance of capacity and discharge capability. According to the datasheet, each cell has:
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Typical capacity: 2,800 mAh
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Nominal voltage: 3.6 V
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Maximum discharge current: 35 A per cell
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Internal resistance (AC, 1kHz): ~20 mΩ
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Cell size: 18.6 mm × 65.2 mm
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Cell weight: up to ~46 g
To support safe charging, the pack is equipped with a 4-cell balance connector, making sure each series cell remains in proper balance during CC/CV charge cycles. The discharge wiring is robust enough to handle high current loads reliably.
Key Features
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High voltage — 14.8 V (4S) for more power headroom
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Large capacity — 5,600 mAh in a relatively compact pack
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Strong discharge capability — 60 A continuous, 70 A peak
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Uses Molicel INR‑18650 P28A cells — reliable, high-current performance
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Low internal resistance — improves efficiency under load
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Balanced charging support with a 4-cell connector
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Durable construction — suitable for drone vibration and high‑current applications
Applications
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Mid-to-large size quadcopters / multirotors
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Fixed‑wing RC aircraft needing higher voltage
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High-thrust or high-speed UAV builds
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Long-range or endurance drones
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Custom DIY UAV / RC builds where both capacity and current are important





