Lumiere L.A. L60182 6 LED 5500K White Daylight Video Light Kit with 12V 7A MF Battery, Charger, & Bag
Features & Benefits:
Specification:
FAQ:
1. How long do you charge the battery?
It takes 9hrs for a full charge cycle.
2. Does the battery have any \"memory\" effect?
Lead acid battery doesn't have memory effect
3. How long does the battery last on a charge?
The battery provide up to 2.30hr of operating time theoretically, however, the actual value should be lower.
4. How long does the battery hold their charge(in storage)?
Lead acid Battery discharge itself and we suggest that you maintain it by recharging the battery every 3 months.
You could charge the battery every time you use it or charge it for 12 hrs in order to get a fully charge battery. For best results the battery should be disconnected from the charger within 12-24 hours.
We also google for "how to charge SLA battery" and attached some info and link for your reference. Hope you find it useful and our service satisfied.
http://www.powerstream.com/SLA.htm
http://www.yuasa-battery.de/englisch/pages/frame_behand_np_e.html
1.0 Storage
If the batteries are not to be installed immediately, keep them boxed and stored in a cool, clean and dry place.
If the batteries are to be stored for six months or more they will need a supplementary charge prior to installation as outlined in Section 3.
2.0 Unpacking and Inspection
Danger : Batteries are electrochemically live at all times. Do not short circuit the battery terminals.
Inspect the battery consignment for obvious signs of transport damage. Ensure the consignment has all items listed on the advice note