Description
The Crocks Ultra 14.8V 12600mAh 4S Drone Battery Pack 4S3P 250A Discharge Li-Ion NMC 42A
is a high‑energy, high-power Li-ion pack specifically designed for demanding drone and UAV applications. Constructed using twelve Molicel INR‑21700 P42A cells in a 4-series, 3-parallel configuration, it provides a nominal pack voltage of 14.8 V (4 × ~3.6 V) and a very large 12.6 Ah capacity, enabling long flight durations and sustained high-power output.
Engineered for performance, this pack is spec’d for a continuous discharge current of up to 250 A, delivering robust thrust for aggressive maneuvers, high-G flight, or lifting heavy payloads. The underlying P42A cells offer a continuous discharge rating of 45 A per cell according to Molicel’s datasheet. Their low internal resistance (~10 mΩ AC) ensures efficient current delivery with minimal voltage sag.
Each P42A cell has a typical capacity of 14.8V 12600mAh 4S3P a nominal voltage of around 3.6 V, and supports a full charge up to 4.2 V, with a recommended cut-off around 2.5 V. Physically, each cell has a maximum diameter of 21.7 mm and height of 70.2 mm.
The pack’s triangle form factor is optimized for drone integration, offering efficient mounting and good mechanical stability. A 4‑cell balance connector ensures safe, balanced charging, while heavy-gauge internal wiring supports the high-current output.
This battery pack is ideal for high-performance FPV drones, long-range UAVs, heavy-lift builds, and any custom drone design where both high capacity and high discharge current are essential.
Key Features
High Voltage (14.8 V) — 4‑series configuration for power headroom
Large Capacity (12,600 mAh) — long flight endurance
Very High Discharge (250 A spec) — supports heavy motor loads or bursts
Premium Cells — Molicel INR‑21700 P42A (4200 mAh, 45 A continuous)
Low Internal Resistance — ~10 mΩ (AC) for efficient power delivery
Balanced Charging — via 4‑cell balance lead
Triangle Pack Design — compact, rigid, frame‑friendly
Durable Build — built for drone vibration and heavy use
Applications
Long‑endurance quadcopters and exploration UAVs
High-thrust / high-G FPV racing or freestyle drones
Heavy-lift drones carrying cameras or sensors
Custom DIY UAV / drone builds that require both power and runtime
High-performance RC aircraft or multirotors





