Orange 7.4V 1500mAh 25C 2S Lithium Polymer Battery Pack

The Orange 7.4V 1500mAh 25C 2S LiPo battery pack is a high-performance lithium polymer battery designed for RC aircraft, quadcopters, drones, and portable electronics requiring sustained high discharge rates. Professional hobbyists, drone operators, and robotics engineers rely on this battery for its reliable energy density and consistent voltage delivery across demanding applications. This pack solves the critical challenge of powering lightweight aerial platforms and high-speed vehicles while maintaining stable performance throughout the flight or operation cycle.

Product Overview

This Orange 7.4V 1500mAh 25C 2S LiPo battery operates on a two-cell series configuration, delivering nominal voltage of 7.4V with a fully charged voltage of 8.4V. The 25C continuous discharge rating means this battery can safely deliver 37.5 amps of continuous current (1500mAh x 25C = 37.5A), making it ideal for high-performance applications requiring rapid energy delivery. The lithium polymer chemistry provides superior energy density compared to NiMH or NiCd alternatives, enabling longer flight times and reduced weight penalties in aerial platforms.

The 2S configuration refers to two lithium cells connected in series, each cell providing 3.7V nominal voltage. This battery pack features integrated protection against over-discharge, over-charge, and short circuits through its balance charging system. The orange color coding is standard industry practice for quick visual identification of battery specifications. With proper care including regular balancing, storage at 50% charge state, and use of compatible chargers, this battery pack delivers consistent performance across hundreds of charge cycles while maintaining capacity retention above 80% after 100 cycles.

Key Specifications

Specification	Details
Product Type	2S Lithium Polymer Battery Pack
Brand	Orange
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Nominal Voltage	7.4V (2S configuration)
Fully Charged Voltage	8.4V
Capacity	1500mAh
Continuous Discharge Rate	25C (37.5A maximum continuous)
Burst Discharge Rate	50C (75A peak for 10-20 seconds)
Energy Density	11.1Wh (7.4V x 1.5Ah)
Weight	Approximately 95-110 grams
Dimensions	Approximately 70mm x 35mm x 25mm
Connector Type	XT60 or JST-XH balance connector
Cell Chemistry	Lithium Polymer (LiPo)
Operating Temperature	-10°C to 60°C discharge, 0°C to 45°C charging
Self-Discharge Rate	Approximately 2-3% per month at room temperature

Key Features

• High Discharge Rate: 25C continuous discharge rating delivers 37.5A sustained current for responsive acceleration and sustained high-power operations in racing drones and performance RC vehicles
• Dual-Cell Series Configuration: 2S setup provides optimal voltage for medium-power applications while maintaining compact size and weight suitable for aerial platforms
• Balance Charging Capability: Integrated balance connector (JST-XH) ensures cell voltage equalization during charging, extending battery lifespan and preventing cell damage
• Lightweight Design: Optimized weight-to-capacity ratio of approximately 95-110 grams enables longer flight times and improved maneuverability in weight-sensitive applications
• Stable Voltage Delivery: Consistent 7.4V nominal output maintains stable performance throughout discharge cycle, critical for consistent motor control and electronics operation
• Extended Cycle Life: Premium lithium polymer cells deliver 300-500 charge cycles at 80% capacity retention with proper maintenance and storage practices

Applications and Use Cases

• Racing Drones and FPV Quadcopters: The 25C discharge rate provides sufficient power for high-speed racing applications requiring rapid throttle response and sustained acceleration through complex flight patterns
• RC Aircraft and Helicopters: 1500mAh capacity delivers 10-20 minute flight times depending on aircraft weight and flying style, with stable voltage maintaining consistent control responsiveness
• Portable Electronic Devices: Powers portable speakers, LED lighting systems, and emergency backup power supplies requiring 7.4V nominal voltage with high current delivery capability
• Robotics and Autonomous Vehicles: Suitable for small wheeled robots, underwater ROVs, and autonomous ground vehicles requiring reliable high-current power delivery for motor control systems
• Camera Stabilization Systems: Provides power for gimbal motors and stabilization electronics in compact aerial photography platforms and handheld stabilizers
• Hobby Electronics Projects: Ideal for DIY projects, Arduino-based systems, and maker applications requiring 7.4V power source with high discharge capability

How to Use

Before first use, charge the Orange 7.4V 1500mAh 25C 2S LiPo battery using a dedicated LiPo charger with balance charging capability. Connect the balance connector (JST-XH) to the charger's balance port and the main XT60 connector to the battery charging port. Set charger to 2S LiPo mode and select 1.5A charging current (1C rate) for standard charging or 0.75A for slower, safer charging. Never exceed 2A charging current as this may damage cells. Allow 60-90 minutes for full charge, monitoring the process to ensure both cells reach 4.2V nominal charge voltage indicated by the charger's balance function.

During operation, monitor battery voltage using a voltage checker or integrated battery monitor on your device. Cease operation immediately when voltage drops to 6.0V (3.0V per cell) to prevent over-discharge damage which permanently reduces capacity. Store the battery at approximately 50% charge state (7.6V) in a cool, dry location away from direct sunlight and heat sources. If storing for extended periods exceeding two weeks, perform a balance charge once monthly to maintain cell health. Always use a fireproof LiPo charging bag during charging and storage as a safety precaution against potential thermal runaway events. Never expose the battery to water, extreme temperatures, or physical damage as lithium polymer cells are sensitive to mechanical stress and moisture.

Frequently Asked Questions

What does the 25C rating mean and how much current can this battery safely deliver?

The 25C rating indicates the continuous discharge rate multiplier. Multiply capacity by C-rating to determine maximum continuous current: 1500mAh x 25C equals 37.5 amps maximum continuous discharge. This battery can safely deliver 37.5 amps continuously without damage. Peak burst discharge reaches 50C (75 amps) for 10-20 seconds during acceleration. Exceeding these ratings causes internal resistance heating, cell damage, and potential thermal runaway. Always verify your device's current requirements remain within these limits before operation.

How long will this 1500mAh battery last in a typical quadcopter or RC aircraft?

Flight time depends on aircraft weight, flying style, and motor efficiency. Lightweight racing drones typically achieve 5-8 minutes flight time at aggressive throttle settings. Medium-weight photography drones achieve 12-18 minutes at moderate throttle. Lightweight RC aircraft achieve 15-25 minutes depending on wing loading and motor configuration. Calculate expected runtime by dividing capacity (1500mAh) by average current draw. For example, a 15-amp average draw yields approximately 6 minutes flight time. Gentle flying styles and efficient motors extend duration significantly compared to racing applications.

Can I use this battery with any charger, or do I need a specific LiPo charger?

You must use a dedicated lithium polymer (LiPo) charger with balance charging capability. Standard NiMH or lead-acid chargers will damage or destroy LiPo cells through incorrect charging profiles. LiPo chargers apply constant current until reaching 4.2V per cell, then switch to constant voltage mode. The balance charging function ensures both cells reach identical voltage, preventing cell imbalance which reduces capacity and lifespan. Budget chargers cost 800-2000 rupees; professional chargers with discharge functions cost 3000-8000 rupees. Never attempt charging with non-LiPo chargers as this risks fire and explosion hazards.

What is the proper storage method for this LiPo battery when not in use?

Store at approximately 50% charge state, which measures 7.6V on a multimeter or voltage checker. This state minimizes stress on lithium polymer cells during extended storage. Charge or discharge the battery to this voltage level before storing. Keep in a cool, dry location between 15-25 degrees Celsius, away from direct sunlight, heaters, and moisture sources. Use a fireproof LiPo bag as an additional safety measure. Check voltage monthly during storage; if voltage drops below 6.0V, perform a balance charge immediately to prevent permanent damage from deep discharge. Proper storage maintains 95% capacity after 6 months of storage versus 70% capacity with improper storage conditions.

How do I know when this battery needs replacement?

Replace the battery when capacity drops below 70% of original rating (below 1050mAh), when cells show voltage imbalance exceeding 0.2V difference, when the battery becomes puffy or swollen indicating gas buildup, or when it fails to hold charge within 24 hours. Perform a capacity test using a LiPo charger with discharge function; if discharge capacity measures below 1050mAh, replacement is recommended. Swelling indicates internal damage and poses fire risk; immediately stop using swollen batteries and dispose properly at electronics recycling centers. Most LiPo batteries last 300-500 charge cycles with proper care before requiring replacement.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Buy Orange 7.4V 1500mAh 25C 2S Lithium Polymer Battery Pack Online in India

Purchase the Orange 7.4V 1500mAh 25C 2S Lithium Polymer Battery Pack online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.

Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.