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1000mAh 2 X 3.7V 14500 Li-ion Battery with BMS and JST Connector

Specification	Details
Battery Configuration	2S1P (2 Cells in Series)
Nominal Voltage	7.4V
Full Charge Voltage	8.4V
Capacity	1000 mAh
Cell Type	14500 Lithium-Ion
Protection	Integrated BMS (Overcharge, Over-discharge, Short-circuit)
Connector Type	JST-XHP 2-Pin

Price

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₹ 127.12

(Tax included)

Barcode: 10791023

Product Description

This battery pack provides a steady 7.4V nominal output, making it the perfect power source for systems that require more voltage than a single 3.7V cell can provide but need to remain lightweight. The 14500 cell form factor (same dimensions as a standard AA battery) allows this pack to fit into slim enclosures. The built-in BMS acts as a silent guardian, automatically cutting off power if the voltage drops too low or if a short circuit is detected, significantly extending the life of the cells.

Key Features

Integrated Safety: The onboard BMS prevents the most common causes of Li-ion failure, including over-charging and deep discharging.
High Energy Density: Offers a much higher capacity-to-weight ratio compared to NiMH or Lead-Acid alternatives.
Plug-and-Play: Features a pre-crimped JST connector, allowing for quick connection to motor drivers or power distribution boards.
Stable Discharge: Provides a consistent current flow, essential for the smooth operation of servos and microcontrollers.
Lightweight Design: Optimized for mobile robotics and drones where every gram of weight matters for battery efficiency and flight time.

Technical Details

Dimensions: ~50mm x 28mm x 14mm (Compact AA-style twin pack).
Charging Current: Recommended 0.5A to 1A for maximum cycle life.
Wire Gauge: Standard 22AWG or 24AWG flexible silicone/PVC wire.

Prototyping and Engineering Tips from Robogears

Charging Requirements: You must use a dedicated 7.4V (2S) Li-ion charger. Never use a standard 5V USB phone charger or a 12V adapter directly, as the BMS is designed for protection, not for regulating charging voltage.
Voltage Monitoring: While the BMS provides a safety cutoff, for professional projects, use an Analog Input pin on your Arduino (via a voltage divider) to monitor the battery level and trigger a "Low Battery" alert in your software.
The "JST" Match: Ensure your receiving header is a JST-XH type. While many connectors look similar, forcing a different type can reverse the polarity, which will damage your electronics instantly.
Mounting Tip: Use 3M Dual Lock or high-quality Velcro to secure the battery. Avoid using tight zip-ties directly against the battery casing, as excessive pressure can damage the internal cells or the BMS circuitry.