Battery Type: Lithium-Ion; Battery Voltage: 3.7V; Battery Capacity: 950mAh. This AC wall charger with foldable flat pin for easy storage. The charger Input: AC 100~240V 50~60Hz; Output: DC 4.2V 600mA. LED indicate: Red light for charging; Green light for standby or full-charge. Package Includes: 1-Pack Battery + 1 AC charger. Warm Reminder: Can use "Ctrl" + "F" easily to find your models

Compatible with the following models:

Logitech
1903040000
190304-200 190304200
190304-2000 1903042000
1903042001
815000037
994000033
F12440023
HHD10010
K43D
M36B
M41B
MSE10007
NC1002
NTA2340
R-IG7 RIG7 R1G7
RLI001.9
R-RG7

Logitech
Harmony 720
Harmony 720 Pro
Harmony 720 Remote
Harmony 780
Harmony 785
Harmony 880
Harmony 880 Pro
Harmony 880 Remote
Harmony 885
Harmony 885 Remote
Harmony 890
Harmony 890 Pro
Harmony 890 Remote
Harmony 895
Harmony 900
Harmony 900 Pro
Harmony 900 Remote
Harmony One Advanced

MONSTER
MONSTER AV100
MONSTER AVL300
MONSTER AVL300S