YACHU BATTERY INSTRUCTION MANUAL

* Please read the manual carefully before operation.
>> The Inspection before battery installation

Aroutine inspecting of battery packages should be done firstcheck the quantities of the battery and related accessories is accurate or not.
1.1 Every battery carton will have one”Instruction Manual”.a set of screw(12V18Ah and above models):
1.2 Check the battery ifto have splits,bulging,leakage or other un-normal phenomenon;
1.3 Battery Voltage Testing:

* Note: Measured Voltage should be greater than the values in the table above.
>> Transporting and storage

2.1 When handling the batteries,should be erecttake carerefusesinvertingtumbling or throwing;
2.2 The battery is full capacity before leaving factoryduring the transportingshould protect the terminals,
not allowed to loose safety valvesrefusing shortcircuit;
2.3 The battery should be stored under ambient temperature of C~40C before installation, the storage
period is shown in table 1-1.Expiration or the battery voltage is lower than that is shown in table 1-3,
should be recharging at once.
2.4 The battery shoulld be stored in dryclean and well ventilated place

2.5 Do not store or use in the following situation:
  • Outdoors or directly raining &sunshine place;
  • Fog or icy pool place;
  • Corrosive gas place;
  • Heavy moisture or more dust place;
  • Vibration or shock occurs place
>> Transporting and storage

3.1 Series connection:the batteries(or batterygroups)which have the same actual capacity is allowed
to be used by series connection.

3.1.1 the batteries which have different capacities is not allowed to be used byseriesconnection;
3.1.2 the new battery is not allowed to be used with old battery by series connection:
3.1.3 the batteries which are offered by different suppliers are not allowed to be used by series connection
3.1.4 The batteries which are the same model and different remain capacities are not allowed to be used by series connection; they can be used by series connectionafter recharging to full capacity for these different remain capacities batteries;
3.1.5 The newlyinstalled battery groups must be floatingrecharged for 72hours before using,they can be used or tested after the internal power balanced.This method is very important for batt -ery groups working life and voltage consistency.
3.2 Parallel connection:the batteries(battery groups)which are the same voltage and capacity can be used by parallel connection.(We advice that themaximum of parallel group number is less than 4.)

>> Charging &Discharging Methods

4.1 Classification of charging ways
·Float charging and uniform charging(supplement charging).
Float charging means that when the battery is in full statethe charger will not stop charging,and
continue to supply a constant floating voltage and a small floating current for the battery.
·Uniform charging means that charging the batteryquickly accordingto the charging current and
charging time which have been already designed.
4.2 Charging parameter(Table 1-2)

(Note: In the table of”Charging Current”,the”C”means battery nominal capacity;The temperature compensation
coefficient takes 25℃ as the base,when temperature is increased by1℃desiqned charqing voltage is that nominal
voltage subtracts one coefficient;Converselywhen temperature is reduced by 1℃designed charging voltage will
be that nominal voltage adds on one coefficient.)

4.3 Suitable situation for uniform charging.
  • The batteries will be uniformly charged before using,when current is less than 10mA/Ah,it is auto-matically transferred to floating,floating time is not less than 24hours.
  • When the voltage of individual battery is lower in battery groupshould be uniformly charged.
  • When charging current is more than 50mA/Ah after accidental discharging or regular testing of capacities, should be uniformly charging.
4.4 The lowest final voitage of battery at different discharging current. When the batteryis discharging,the lowest final voltaaes must be controlled accordina to the sho -wn in table 1-3,otherwise it will cause great damage battery life. Table 1-3.
>> Warning

5.1 Please don’t overhauldecompose or remould by yourselfotherwise the acid or lead metal in the battery will cause harm to people or the environment.
5.2 Prohibit making short-circuit of positive and negative of batteries or battery groups otherwise it will cause electric shocking,fire and other accidents.
5.3 When connecting or leading battery groups please choose the wires with appropriate line diameter, otherwise it will cause fire and damage.
5.4 Please firmly connect terminal sockets or bolts, if loose, it will cause the connecting voltage of batteries drops largely or sparking.
5.5 When connecting in the constructionit must be cut off the main power supplyotherwise it will appear risk of electric shocking.
5.6 Do not connect to other powers except designed voltageotherwise it will cause fire and other damage.
5.7 Do not use batteries as AC power supply directly,otherwise it will cause fire or other damage.
5.8 When batteries are connected in parallelthree groups are at most and the suggested biggest current for each group is 0.1C.

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