The BAT-18650-S is a 18650 battery. It holds up to 2500mAh and provides current up to 20A. Plus, it's rechargeable.
This is arguably the most widely sold and respected 18650 form factor size cell on the market, still today. This cell is of very high quality and has a very economical price point to book-end it. This is an excellent balanced cell in terms of performance and reliability. Also this cell has a very good equilibrium with a moderate-high capacity of 2,500 mAh in energy, while having a high maximum continuous discharge/drain rating of 20 amps (Without any temperature cut involved). This cell is very stable, even when it's pushed to its max rating. This cell has about everything you could desire in a Li-Ion cell, as you can see from some of its attributes. It has many uses such as: power packs, high-output power banks, BMS's, power tools, and high powered flashlights as well. This cell has a much safer battery chemistry makeup than cells from the past, which make it more stable and much safer. This cell is often classified as a "Goldilocks" cell, because of its versatility and all of its attributes. This cell has passed the test of time and checks almost every box that you can reasonably image. There is no wonder why it has such a venerable history and a consumer favorite.
Note: Batteries are sold individually
| Manufacturer | Samsung SDI |
| Model | 25R |
| Size | 18650 |
| Positive Terminal | Flat Top |
| Nominal Capacity | 2500mAh |
| Continuous Discharge Rating (max) | 20A |
| Nominal Voltage | 3.6V |
| Maximum Voltage | 4.2V |
| Discharge cut-off Voltage | 2.5V |
| Protected | No |
| Rechargeable | Yes |
| Approx. Dimensions | 18.33mm x 64.85mm |
| Approx. Weight | 43.8g |
Resources
WARNING:
- DO NOT USE WITH E-CIGARETTE, VAPORIZER, OR SIMILAR DEVICE
- MISUSING OR MISHANDLING LITHIUM ION BATTERIES CAN POSE A SERIOUS RISK OF PERSONAL INJURY, PROPERTY DAMAGE, OR DEATH
- BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED
- ONLY USE WITH PROPER CIRCUITRY IN A PROTECTED BATTERY PACK
- ONLY USE WITHIN MANUFACTURER LISTED SPECIFICATIONS
- DO NOT STORE LOOSE BATTERY IN A POCKET, PURSE ETC. - ALWAYS USE A PROTECTIVE CASE OR BOX
- KEEP AWAY from metal objects to prevent short circuiting
- DO NOT short circuit
- DO NOT use if wrapper or insulator is damaged or torn
- DO NOT use if damaged in any way
- DO NOT overcharge or over-discharge
- DO NOT modify, disassemble, puncture, cut, crush, or incinerate
- DO NOT expose to liquids or high temperatures
- DO NOT solder, spot weld only
- User must be familiar with handling lithium ion batteries before purchase
- Usage of batteries is AT YOUR OWN RISK
- ALWAYS charge in or on a fire-proof surface and never leave charging batteries unattended
- RESELLERS MUST FORWARD ALL WARNINGS TO ALL CUSTOMERS FOR THEIR REFERENCE AND SAFETY
WARNING
