Acer B1-820, Service Manual

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Protocol
NMEA-0183 v3.0
GGA, GLL, GSA, GSV, and RMC
Antenna
Frequency: 1.575 GHz~1.612GHz (Support GPS & GNSS)
VSWR 2 ： 1
Performance should meet test summary document released by Acer DQM.
Pattern Type: Omni-directional
Battery
Battery Capacity Rechargeable Lithium-ion Polymer battery, LGC
ICP30100107L1 (1S1P), 17.3Wh @4550mAh
Rechargeable /non-replaceable battery pack
Battery Life
(main source)
Standby time on fly mode: min 270 hours
Video playback: Min. 7.5 hours when play 720P H.264 video playback on system
(not streaming, Wi-Fi/BT off, total solution 125 nits)
Video playback: Min. 8.5 hours when play 720P H.264 video playback on system
( 720p
影片循環播放
+
螢幕亮度： 耳機輸出
+WLAN/3G
開啟
+
登入
Gmail
並更新。
))
Youtube playback 720p video min. 5.75 hours via WIFI.
Detailed criterion defined in the test summary document released by Acer
DQM.
Battery low

Battery low: when battery capacity is 15 %

Battery very low: when battery capacity is 4 %
Charging Time

1 hour charging to 15% capacity (when in the dark mode)

6.0 hours charge from empty to full by AC adapter (when in the
dark/suspend mode)
Battery Protection Protection for overheat, overcharge, over-discharge, over- current, over-voltage
Temperature

Operating Temperature
Charge: 0
℃
~ 50
℃
Discharge: -20
℃
~ 60
℃

Storage Temperature: -20
℃
~ 45
℃
< 1 month ; percentage recoverable
capacity 90%
Audio

Dual speaker: 0.5 W

Audio Jack : 3.5mm 4 ring earphones with microphone Jack
Pin define:

[VoIP-headset] Headset Sending loudness should be 3dB~13dB and Headset Receiving loudness