Narada 313K Series Operation Manual - page 7
Narada Power Source Co., Ltd. 313K series 12V battery operation manual V1.5
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3.3 Storage conditions
3.3.1 Storage temperature range: ‐15℃ to 45℃
3.3.2 Storage battery should be fully charged. Recharge battery before use for self‐discharge
during storage and transport.
3.3.3 Recharge battery during long‐term storage for self‐discharge. 313K 12V series have shelf
life of 6 months when stored at 25°C then recharge is required. Higher temperatures increase
the rate of self discharge and reduce storage life.
Recharge program (optional): Charge with 0.25C
10
A and 2.35V/cell for 24h.
3.3.4 Storage battery in dry, cool and ventilated environments.
3.3.5 Battery performance degradation after long‐term storage, Please shorten shelf time as
possible as you can.
3.4 Battery installation
3.4.1 Open‐package inspection
z Inspection: Battery appearance—no damage
z Check: parts—complete
z Read: Installation drawing, safety cautions
3.4.2 Installation safety cautions
1) Fix battery, avoid vibration and shock
2) Do not put battery place where spark may be occurred (such as switch, fuse etc.) in case of
hydrogen emission during charge
3) Do put battery in a sealed place or easy accumulation gas place
4) If need put battery into equipment, recommend put battery bottom of equipment to avoid
temperature rise. Avoid battery contact inner wall of equipment
5) Do not put battery close to hot objects (such as transformers etc.)
3.4.3 Install and connect battery
1) Insulated metal installation tools (e.g. wrench) with insulating tape before installation.
2) Connect batteries first, then connect battery bank to charger or load.
Step 1 Place battery side by side, keep space 10mm, shown as follow drawing