The Tenergy 14.8V 2200mAh Li-Ion rechargeable battery delivers high energy density, long cycle life (500+ charges), and stable voltage output, making it ideal for drones, medical devices, and power tools. Its built-in safety features, lightweight design, and eco-friendly chemistry outperform NiMH and LiPo alternatives, providing reliable power for high-drain applications.
How to Prevent Lithium-Ion Battery Fires and Explosions
What Are the Key Specifications of the Tenergy 14.8V 2200mAh Battery?
This lithium-ion battery operates at 14.8V nominal voltage (16.8V fully charged) with a 2200mAh capacity. It weighs 180g, measures 105mm x 35mm x 22mm, and supports 15A continuous discharge. The battery features a 3C charge rate, overcharge/over-discharge protection, and operates between -20°C to 60°C. Its 18650 cells provide a 82Wh energy output, compliant with UN38.3 safety standards.
The battery’s high-rate discharge capability makes it particularly suitable for applications requiring sudden power surges. Its multi-layer separator design prevents internal short circuits while maintaining ion conductivity. The nickel-plated steel casing enhances durability in vibration-intensive environments, with impact resistance up to 20G force. Advanced electrode formulation enables stable performance even at 90% depth of discharge, maintaining 80% capacity after 500 cycles.
Which Devices Are Compatible with This Battery?
Common applications include FPV drones, RC cars, portable medical monitors, LED lighting systems, and cordless power tools like drills. The XT60 connector and flat form factor make it compatible with DJI Phantom 3 drones, GoPro stabilizers, and custom electronics projects requiring high-current output. Always verify device voltage requirements before use.
How to Safely Charge and Maintain the Battery?
Use a Li-ion balance charger (1.5A recommended) and avoid draining below 12V. Store at 40-60% charge in fireproof bags. Charge at room temperature, never exceeding 50°C. Balance terminals monthly using a cell checker. Replace if swelling occurs. For longevity, limit discharges to 80% capacity and use a voltage alarm during operation.
What Safety Features Prevent Overheating?
The battery integrates a PCM (Protection Circuit Module) with temperature sensors, short-circuit protection, and cell balancing. The aluminum casing dissipates heat, while venting channels prevent gas buildup. UL-certified cells ensure thermal runaway prevention. For added safety, pair with a BMS (Battery Management System) in high-power applications.
How Does It Compare to NiMH and LiPo Alternatives?
Compared to NiMH, Tenergy Li-Ion offers 3x energy density and no memory effect. Versus LiPo, it’s 20% lighter with lower fire risk. However, LiPo supports higher burst currents (30C+). This Li-Ion model lasts 2x longer than NiMH in drones and maintains voltage better than LiPo under load, making it ideal for sustained-use scenarios.
| Feature | Tenergy Li-Ion | NiMH | LiPo |
|---|---|---|---|
| Energy Density | 250 Wh/kg | 80 Wh/kg | 200 Wh/kg |
| Cycle Life | 500+ | 300 | 400 |
| Charge Time | 1.5 Hours | 3 Hours | 1 Hour |
What Environmental Benefits Does It Offer?
With 500+ charge cycles, it reduces disposable battery waste by 80%. The cobalt-free cathode minimizes mining impact. Tenergy’s recycling program recovers 95% of materials. Over its lifespan, one battery prevents 15kg of CO2 emissions compared to alkaline alternatives. The RoHS-compliant design excludes lead, mercury, and cadmium.
The battery’s modular construction allows easy replacement of individual cells, extending product lifespan significantly. Its manufacturing process uses 30% recycled materials and water-based electrolytes, reducing toxic solvent use by 65% compared to conventional lithium batteries. Independent testing shows 92% energy efficiency during charge/discharge cycles, minimizing grid energy waste.
Where to Buy Authentic Tenergy Batteries?
Purchase directly from Tenergy’s Amazon store, or authorized distributors like Battery Junction and All-Battery. Verify authenticity via scratch-off QR codes. Avoid third-party sellers offering prices below $45. Bulk orders (10+ units) qualify for 15% discounts. The battery ships with a 1-year warranty covering manufacturing defects.
“The Tenergy 14.8V strikes a rare balance between safety and performance. Its hybrid cathode chemistry allows 4.2V/cell operation without degradation—a game-changer for emergency medical devices needing reliable power. We’ve seen 20% fewer battery replacements in our drone fleets compared to standard Li-Ion packs.”
– Michael Tran, Power Systems Engineer at AeroTech Solutions
Conclusion
The Tenergy 14.8V 2200mAh Li-Ion battery sets a new standard for rechargeable power with its optimized safety, longevity, and eco-design. Whether powering critical medical equipment or high-performance drones, its technical superiority and rigorous certification make it the smart choice for professionals and hobbyists alike.
FAQs
- How Long Does a Full Charge Last?
- A 2200mAh charge lasts 25 minutes in racing drones (45A draw), 3 hours in LED floodlights (0.7A), or 8 hours in portable oxygen concentrators (0.3A). Partial discharges extend runtime—50% capacity provides 12V for 15 minutes in power tools.
- Can I Use a LiPo Charger?
- Only if the charger has a dedicated Li-Ion mode. LiPo chargers set to 4.2V/cell are compatible, but avoid “Fast Charge” or “High Current” LiPo settings. Always use balance leads to prevent cell mismatches.
- Is Storage in Refrigerators Recommended?
- No—condensation risks damage. Store in dry, non-conductive containers at 10-25°C. For long-term storage (6+ months), discharge to 3.7V/cell and wrap terminals in anti-corrosion paper.
- What’s the Recycling Process?
- Mail used batteries to Tenergy’s EPA-certified facility (free shipping label provided). They disassemble cells, recover lithium carbonate for new batteries, and repurpose steel casings. 98% of materials are reused in closed-loop production.
- Does Warranty Cover Accidental Damage?
- No—warranty excludes physical damage, water exposure, or misuse (e.g., reverse charging). For validated claims, Tenergy offers 50% discounts on replacements. Document purchase date and usage conditions when filing claims.