2 x 21700 Battery Holder 2 Cell SMT
2 x 21700 Battery Holder 2 Cell SMT
2 x 21700 Battery Holder - 2 Cell SMT (Surface Mount)
High-quality 2-cell 21700 battery holder designed for surface mount (SMT) PCB assembly. This compact and durable holder securely accommodates two 21700 lithium-ion cells in series or parallel configurations, making it ideal for portable power packs, DIY energy storage systems, and professional battery-powered designs. Available at The Tech Depot, Bengaluru - trusted by makers and professionals across India. Fast shipping, 7-day warranty on manufacturing defects, and expert technical support.
Specifications
| Product | 2 x 21700 Battery Holder (2 Cell) |
| Mounting Type | SMT (Surface Mount Technology) |
| Battery Compatibility | 21700 Lithium-Ion Cells (21mm x 70mm) |
| Number of Cells | 2 |
| Material | High-temperature resistant engineering plastic (PA66/ABS) |
| Contact Material | Nickel-plated spring steel / Phosphor bronze |
| Max Voltage Rating | Up to 8.4V (2 cells in series, fully charged) |
| Max Current Rating | ~5A (depending on contact quality and application) |
| Operating Temperature | -20 degreesC to +80 degreesC |
| Mounting | SMT pads for reflow or hand soldering onto PCB |
| Dimensions (Approx.) | Designed to fit standard 21700 cell form factor (check datasheet for exact footprint) |
| Weight | Lightweight (~15-25g approx.) |
| Origin | Original / Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- SMT Design: Surface mount pads allow direct PCB soldering - ideal for automated assembly and compact board layouts.
- Secure Cell Retention: Spring-loaded contacts and snug fit ensure reliable electrical connection and prevent cell movement during vibration or transport.
- 21700 Compatibility: Designed specifically for the increasingly popular 21700 lithium-ion cell format, offering higher capacity than 18650 cells.
- Heat-Resistant Construction: Engineering-grade plastic body withstands reflow soldering temperatures and prolonged use in demanding environments.
- Low Contact Resistance: Nickel-plated or phosphor bronze contacts ensure minimal voltage drop and efficient power delivery.
- Compact 2-Cell Layout: Side-by-side or inline arrangement (depending on variant) optimizes PCB space for dual-cell power designs.
- Versatile Configuration: Wire or trace cells in series (up to 8.4V) or parallel (doubled capacity) based on your circuit design.
- RoHS Compliant: Lead-free and environmentally compliant materials suitable for commercial production.
Why Choose This?
- 100% authentic from trusted component suppliers - no counterfeits or rejects.
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India.
- Expert technical support included - get help with PCB footprints, wiring, and integration.
- Perfect upgrade path from 18650 holders for higher-capacity battery designs.
- Reliable SMT mounting eliminates the need for through-hole drilling, simplifying PCB design.
- Ideal for both prototyping and small-to-medium batch production runs.
Project Ideas
- Portable Power Bank: Build a custom high-capacity USB power bank using two 21700 cells with a TP4056/IP5306 charging module for on-the-go device charging.
- Electric Skateboard / E-Bike Battery Pack: Use as modular building blocks for larger battery packs in personal electric vehicles and mobility devices.
- Solar Energy Storage: Pair with a solar charge controller to create a compact off-grid energy storage unit for IoT sensors, weather stations, or remote monitoring.
- DIY Flashlight / Torch: Design a high-power LED flashlight with extended runtime using dual 21700 cells in series for higher voltage output.
- Robotics & Drones: Provide reliable, high-discharge power for robotic platforms, quadcopters, and autonomous vehicles that demand lightweight energy density.
- UPS / Backup Power Supply: Create an uninterruptible power supply for Raspberry Pi, Arduino, or ESP32-based systems to ensure continuous operation during outages.
- Ham Radio / Field Communications: Power portable amateur radio equipment with a robust, rechargeable dual-cell battery system.
- Learning & Education: Excellent for students learning about battery management systems (BMS), series/parallel circuits, and PCB-level power design.
What's in the Box
- 1 x 2-Cell 21700 SMT Battery Holder
- Documentation
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy 2 x 21700 Battery Holder 2 Cell SMT Online in India
Purchase the 2 x 21700 Battery Holder 2 Cell SMT online at The Tech Depot - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 2 x 21700 Battery Holder 2 Cell SMT with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy 2 x 21700 Battery Holder 2 Cell SMT at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.