Tenergy Li-Ion 18650 3.7V 2600mAh Rechargeable Battery module with PCB and Bare Leads;

Features and Benefits
High quality 3.7 V Li-Ion rechargeable battery pack
Made of 1 2600mAh cylindrical 18650 cells with PCB for full protection
Light weight and higher energy density than any rechargeable battery
No memory effect and rechargeable
Longer storage life than NiMH battery
Built-in IC chip will prevent battery pack from over charge and over discharge and prolongs battery life
Perfect for building 3.7V battery pack for bike lighting, RC toy (cars and airplanes), robots, cameras, DVD external battery
Recommend our Smart Li-Ion Battery Charger to charge the battery pack (With charging volatge set at 4.2V on the charger)
3.5A Current limited Round PCB
4.5" 22 AWG PVC wires

Technical Specifications
Chemistry: Li-ion
Nominal Voltage (V): 3.7
Capacity (mAh): 2600
Max Continuous Discharge Current: 3.5A
Battery Charging Current: Standard 0.5A / Rapid 1.3A
Weight: 50g
Dimensions: 69 x 19mm (LxD)
Connector: Bare Leads
Avg. Temperature Ranges for: Charging: 0~40°C / Discharging: 20~60°C / Storage: 0~40°C
PCB/Pack Protection: Overcharge Protection: >4.2V / Over-discharge Protection: <3.0V
Over Current Cutoff (A): 6.5 ± 2 A

CAUTION
- when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
- User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use.
- We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries
- Strongly suggest that you use our smart Li-Ion battery charger to recharge the battery pack
- Never use conventional DC adapter to charge the battery module) We are NOT responsible for any damage that is caused by the misuse of the Li-Ion Battery
- Please don't make parallel connection with more than two modules to avoid uneven charge.