Samsung 40T INR 21700 4000mAh 3.7V Unprotected High-Drain 35A Lithium Ion (Li-ion) Flat Top Battery
Item #:
SAMSUNG-40T
Brand:
Samsung
Related Products
Description
| Brand | Samsung |
|---|---|
| MPN | 40T |
| Color | Blue |
| Size | 21700 |
| Chemistry | Li-ion |
| INR (LiNiMnCoO2) | |
| Voltage | 3.6V |
| Capacity | 4,000mAh |
| Terminal | Flat Top |
| Protected | No |
| Shelf Life | 3 Years |
| Rechargeable | Yes |
|---|---|
| Voltage | |
| Nominal | 3.6V |
| Maximum | 4.2V |
| Cutoff | 2.5V |
| Discharge Rate | |
| Pulse | 45A |
| Max Continuous | 35A |
| Charge Rate | |
| Max | 4A |
| Standard | 1.5A |
| Charging Time | |
| Max | 1.16 Hours |
| Standard | 3 Hours |
| Charge Cycles | 250+ |
| Length | 2.76" / 70.3mm |
|---|---|
| Diameter | .84" / 21.22mm |
| Weight | 2.47oz / 70g |
| Country of Origin | South Korea |
|---|---|
| UPC | 736952858474 |
| Warranty | Battery Junction 30-Days |
| Return Policy | Battery Junction Return Policy |
Samsung 40T
High 35A Continuous Discharge Rate
The Samsung 40T is a 21700 battery that offers both a 35A max continuous discharge rate, and a large 4,000mAh capacity for extensive runtimes. That discharge rate can be further pushed to 45A for short-term (pulse) power.
As this is an unprotected cell with flat top terminals, the 40T is ideal in battery packs made for use in high-drain electronics.
Rechargeable & Reusable
Invest in a rechargeable battery that will last for years to come– this battery can be recharged 250+ times.High Discharge Rate
35A max continuous discharge rate for high-drain electronics, great for making battery packs for devices that require minimum discharge rates.3 Year Shelf Life
Stock up and store spare batteries with confidence– lithium ion batteries have a 3+ year shelf life, ensuring you always have a fresh replacement when you need it.Notable Features
» 4,000mAh capacity provides long runtimes for all your devices
» Flat top terminal is perfect for use in making OEM battery packs
Please note that these batteries have flat top terminals, and may not be compatible with some devices.
Check with your device's user manual whether your device requires button top or flat top terminals.
WARNING: UNPROTECTED LI-ION BATTERY
Unless equipped and 'protected' with a PCB (protection circuit module) and/or similar device, lithium ion (li-ion) rechargeable battery cells are not recommended by BatteryJunction.com or our parent and associated companies, or the respective manufacturers, as a stand-alone product. Misuse of lithium ion rechargeable battery cells can pose a serious risk of personal injury or property damage. Use caution when working with li-ion cells, as they are very sensitive to charging characteristics and may explode or burn if mishandled. Make sure the user has appropriate understanding of li-ion rechargeable batteries in charging, discharging, and assembly before use. Always charge in/on a fire-proof surface. Never leave charging batteries unattended. We are not responsible for damage if there is any modification of the batteries/chargers in any shape or form (including but not limited to pack making). We are not responsible for any damage caused by misuse or mishandling of li-ion batteries and chargers.
No express or implied guarantee of compatibility with any device can be made. Please do your research and make sure this battery is compatible with the item you intend to use it with.
Charge only in a smart charger designed for the specific type of lithium ion batteries. Do not mix and match old and new, used and unused batteries.
Do not dispose in a fire. Regulations and laws pertaining to the recycling and disposal of lithium ion batteries vary from country to country, as well as by state and local governments. Please consult your local jurisdiction regarding appropriate disposal. Many retail stores offer free recycling of rechargeable batteries.
Downloads
Downloads
Reviews
Reviews and Q&A
Accessories
Bright Buys
-
- $39.95FREE SHIPPING Over $50 *
-
-
- $29.95FREE SHIPPING Over $50 *
Login and Registration Form