Description
Ampace JP40 21700 70A : Revolutionizing High-Performance Cells
At DIY500AMP.COM, proudly present the Ampace JP40 cell—an incredible, revolutionary battery that’s been praised by top testers like Mooch and other respected professionals in the industry. This cell consistently outperforms many well-known and higher-priced brands, offering unparalleled performance at a fraction of the cost.
We offer the Ampace JP40 at the most competitive price on the market, and if you see it marked as AVAILABLE on DIY500AMP.COM, it means the product is already in the U.S., stocked in our Florida warehouse. This ensures fast shipping directly to your doorstep—no waiting for overseas transit.
⚡ Why Choose Ampace JP40 ?
- Tested and proven by industry experts to deliver exceptional performance.
- Unbeatable value without sacrificing quality or safety.
- Supported by a community of DIY enthusiasts who trust its reliability.
Since this is a fast-selling product, stock runs out quickly—but rest assured, we work diligently to keep it available as soon as possible. Don’t miss out on this game-changing cell—get yours today!
Specifications
| Category | Details |
|---|---|
| Model | Ampace JP40 (Original Grade A) |
| Nominal Capacity (mAh) | 4000 |
| Nominal Voltage (V) | 3.7 |
| Voltage Range (V) | 2.5 – 4.2 |
| Max Continuous Discharge | 60A (No Temperature Cut-off) / 70A (With Temperature Cut-off) |
| Pulse Discharge (5s) | 140A |
| Standard Charge Current | 4A |
| Fast Charge Current | 8A |
| Cycle Life | ≥2400mAh after 600 cycles @ 30A / ≥2400mAh after 400 cycles @ 40A |
| Weight | Max 70g |
| Dimensions | Diameter: Max 21.31mm / Height: Max 70.42mm |
| Operating Temperature | -30°C to 75°C (Discharge) / 0°C to 60°C (Charge) |
| Storage Temperature | 1 Month: 5°C – 45°C / 6 Months: 0°C – 45°C / 12 Months: 20°C – 25°C |
| Certifications | UL1642, CB62133, IEC62619, PSE, KC, GB 32141 |
Data Sheet
Ampace JP40 with over 108A load
Safety Warning for Lithium-Ion Battery Usage
Customers should have a clear understanding of lithium-ion battery handling and safety before making a purchase. Lithium-ion batteries are highly sensitive and may pose fire, burn, or explosion risks if improperly handled. Always charge batteries on fire-resistant surfaces, and never leave them charging unattended.
By purchasing, you assume full responsibility for any injury, damage, or loss arising from the incorrect use or handling of lithium-ion batteries or chargers. Compatibility with specific devices is not guaranteed. Only charge using a smart charger designed specifically for this battery type, and do not mix old or used batteries with new ones.
Important Usage Guidelines:
- Not for Use in E-Cigarettes or Similar Devices: Lithium-ion batteries present a serious risk of injury, property damage, or even death if improperly used.
- Risk of Fire and Explosion: Misuse can cause batteries to ignite, explode, or release harmful gases.
- Always Use in a Protected Pack: Ensure batteries are used within intended specifications and supported by appropriate circuitry.
- Proper Storage and Handling: Store batteries in protective cases, away from metal items to prevent short circuits.
- Inspection Prior to Use: Do not use batteries with damaged wrappers, torn insulators, or visible damage.
- Follow Manufacturer's Charging Specifications: Avoid overcharging or over-discharging, and never alter, dismantle, puncture, crush, or burn.
- Heat and Water Precautions: Do not expose batteries to high temperatures or any liquids.
- Assembly Guidelines: Batteries should only be spot welded; do not solder directly onto battery terminals.
Users are expected to have battery-handling knowledge before purchasing. By using these batteries, you acknowledge that usage is solely at your own risk, and you take full responsibility for any resulting consequences.
For Resellers: Please ensure all safety information is passed along to end users to promote safe handling and proper use.