Most customer called this model RCR2 or CR2, the production No for TAC BATTERY is IFR15270 200MAH 3.7V The battery is rechargeable battery , instead of primary CR2 battery, the rate voltage is 3.2V and the normal capacity is 200mAh
The cycle life is about 2000 times , if you charge and discharger one times every day, the battery can keep 5 years

the production including of the battery and suitable charger

No.	Item	General Parameter	Remark
8	Fast charge	Constant Current 1C5A Constant Voltage 3.65V 0.01 C5Acut-off
9	Fast discharge	Constant current 1 C5A end voltage 2.0V
10	Maximum Continuous Charge Current	1 C5A
11	Maximum Continuous Discharge Current	1.5C5A
12	OperationTemperature Range	Charge: 0~45℃	60±25%R.H. Bare Cell
12	OperationTemperature Range	Discharge: -10~60℃	60±25%R.H. Bare Cell
13	StorageTemperature Range	Less than 1 year: -20~25℃	60±25%R.H. at the shipment state
		less than 3 months: -20~40℃
		High: 27.0±0.5 mm
14	Cell Dimension	Diameter:15.0±0.5mm

1. Utility meter (water, electricity, gas meter, AMR)

2. Alarm or security equipment (smoke alarm system, detector)

3. GPS tracking

4. Teal time clock

5. Digital control machine

6. Military

7. Remote monitoring systems

8. Car electronics

9. Camera

ITEM	DESCRIPTION
INPUT	Input voltage: 100-240Va.c. 1.2 Input: current: 40mA
OUTPUT	2.1 Output voltage: 3.6Vd.c. 2.2 Output loading: 100mA
CHARACTERISTIC	3.1 Suitable for Lithiuom Phosphate battery. 3.2 Charge 1 CR2 Lithiuom Phosphate rechargeable battery. Fast smart charge with the function of constant current and constant Voltage.
OPERATING INSTRUCTION	4.1 Insert the battery into the battery compartment with correct direction of polarity. 4.2 Plug the charger into a.c. outlet. 4.3 LED indicates the status of the battery. 4.4 Red LED indicates the battery are properly charging. Green LED indicates the battery are fully charged. 4.5 Battery can be took out for use or kept to trickle charge when they are fully charged.
ENVIRONMENTAL	5.1 Operating temperature: 0℃ to 35℃ ambient 5.2 Storage temperature: -20℃ to 80℃ 5.3 Operating humidity:20% to 90% RH 5.4 Storage humidity: 20% to 90% RH
CAUTION	6.1 Indoor use only. Do not expose the charger to rain or moisture. 6.2 The charger is intended for use with Lithiuom Phosphate battery only. Attempt to charge other type of batteries may cause personal injury and damage the charger.