ULTRAFIRE
UF18650 3.7V 2400 mAh Protected
Li-ion Rechargeable Battery

Protected 18650 2400 mAh rechargeable 3.6 volt battery charge with the Ultrafire Multi-Battery charger. The advantage of this cell is that it features a button top making it particularly compatible with many flashlight applications.

Features and Benefits
Unique and New! With integrated PCB Protection!
Lithium Ion 18650 cylindrical rechargeable batteries
Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V
Higher energy density and lower weight than other types rechargeable batteries
Lighting or other device needing 3.7V power

Product Specifications
Capacity: Nominal&: 2400 mAh, Minimum: 2250 mAh
Dimensions: Diameter 18.3+/-0.5 mm
Height 66.5+/- 0.5mm
Cycle Performance: 90% of initial capacity at 400 cycles
Cycle life: > 500 cycles
Charge: Current = 0.5C mA Voltage = 4.2 V End Current = 0.01 mA
Discharge: Current = 0.5C mA End Voltage = 3.0V

Rechargeable Lithium Ion PRODUCT WARNING:

Please do your research and make sure that this battery is compatible with the item you intend to use with.

Do not mix and match old and new, used and unused batteries.

Make sure the user has enough knowledge of Li-Ion rechargeable batteries in charging, discharging and assembly before use.

Never leave charging batteries unattended.

We are not responsible for damage if there is any modification of the batteries/chargers in any form or shape (including pack making).

We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and chargers.

We only recommend using Lithium Ion rechargeable batteries with a control circuit (protection PCB) to assure safe charge discharge, etc, use of lithium ion batteries with a protection circuit is potentially hazardous.