SLA battery/Maintenance free rechargeable battery / bilding intercom sealed lead acid battery
USD $4.5 - $6.5 /Piece
Min.Order:500 Pieces
Zhengzhou Kanglida Electronic Power Co., Ltd.
Maintenance free Baoding rechargeable battery for bilding intercom
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Application
Maintenance free storage battery 12v2ah is used for building interphone, transformer units and so on.
Advantage
1. The battery is full of power when it’s out of factory, no need to use liquid charge;
2. no memory, no need to discharge battery use, suitable for circuit design;
3. by high partition, adsorption and strong;
4. there is no flowing liquid (poor liquid), does not leak acid and free Upside down,
5. comply with environmental requirements, ease of use,
6. the use of lead-calcium alloys, battery self-discharge is very low,
7. easy storage, less maintenance;
8. using ABS plastic shell and valve technology for safe use.
battery characteristic | ||||
Nominal voltage | 12V | |||
Nominal capacity(20h rate) | 2Ah | |||
Size | Total height | 68mm | ||
length | 178mm | |||
width | 34mm | |||
height | 60mm | |||
Weight | 0.898kg | |||
Rated capacity 25°C(77°F) | 20 hour rate(0.10A) | 2Ah | ||
10 hour rate(0.18A) | 1.80Ah | |||
5 hour rate(0.34A) | 1.70Ah | |||
1 hour rate(1.20A) | 1.20Ah | |||
Internal resistance | in full charge status 25°C(77°F) | 45mΩ | ||
Capacity at different temperature(10h) | 40°C(104°F) | 102% | ||
25°C(77°F) | 100% | |||
0°C(32°F) | 85% | |||
-15°C(5°F) | 65% | |||
Self discharge 25°C(77°F) | capacity after 3 months | 91% | ||
capacity after 6 months | 82% | |||
capacity after 12 months | 64% | |||
Mode of charge (constant voltage) 25°C(77°F) | cycle-use | initial charging current less than0.80A , voltage14.10-14.40V | ||
float-use | Initial charging current less than 0.30A voltage13.50-13.80V |
Notice