Compatible Model Number: Invisible fence battery for dog collar, R21, R22, R51 and Microlite Collars.
Performance and parameters of built-in battery:

ADR,RID,AND,IMDG,IATA: UN3090

Hazard class(es): 9

Battery type: Li-MnO2

Voltage: 3Volt

Capacity: 170mAh

GHS Hazard class: 4

Battery composition: Manganese dioxide 40.8% Iron: 29% Lithium: 5% Nickel:1% Other：24.2%

Thermal tese: Passed

External short circuit : Passed

Forced discharge :Passed

Shock-Crush: Passed

1: Compatible for Invisible fence battery for dog collar, Built-in 3V Lithium batteries with the best material,and have high quality andlong life span. Batteries tested under strict quality control standards. Makesure every one is perfect.

2:You'll get 10-Pcs batteries for dog collars invisible fence,170 mAh high capacity,The storage time is more than 5 years, so youdon't worry about wasting it. Each battery can be used for more than 3-4 months(if your cute dog is naughty, the time may be shorter).

3:It's 100% compatible dog invisible fence battery r21 r22 r51 andMicrolite, and you only need a coin to installand remove it very easily. Each one is strictly tested to make sure it doesn't fall.

4:His waterproof performance lt is very good, invisible fence batt