Combo: Tenergy TN268 Li-Ion Battery Charger + 4 pcs RCR123A 600mah Li-ion Rechargeable Batteries

Charger Key features
International compatibility for 100-240V AC Input
Four independent channels for charging and detection
Constant current and voltage charging mode
Reverse Polarity Protection - Automatically terminates charging cycle (Red LED Lights Flashing)
Input: 12V; 550mA
Output: 4.5V; 250mA x 4

Batteries Product Description:
Rechargeable CR123A Li-Ion Batteries with 3.0V average working voltage (4.5V at peak without load).
Replaces most of CR123A primary Lithium battery for digital cameras and flashlights.
Do not charge the battery cells in other brand RCR123A battery charger.
Open circuit voltage of RCR123A (3.0V) is much higher than primary Lithium battery (3.0V). It may burn certain bulb of flashlight.
Please make sure your device can accept 4.5V voltage before use.
Internal voltage regulators modified voltage to achieve average working voltage of 3.0V.
Internal over-charge and over-discharge protection to prevent battery over use. The current will be shut off when the battery voltage drops below 2.0V.
*Battery is NOT compatible with Surefire Flashlights or E-Cig.
*Battery is NOT compatible with Arlo Cameras.

Battery Specifications:
Capacity:
Nominal: 580mAh
Maximum: 600 mAh
Dimension: 16.7±0.5mm (D) x 34.5mm±0.5mm (H).
Weight: 17 g / 0.6 oz.

Compatibility Warning: This charger is intended for Tenergy brand RCR123A 600mah 3.0V (30264) cells ONLY. Use with any other brand may cause safety issues or charger failure. Its full charge voltage is higher than average voltage of Primary Lithium CR123A battery which is 3.0V. Certain flashlights and other devices that are designed for Primary Lithium CR123A batteries might not be compatible with this battery. It is the buyer's responsibility to be aware of the requirements and limitations of this battery before use. Any damage of the devices is not covered by Tenergy warranty.