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this charger can charge for any brand of rechargeable 9v batteries and charge 1- 4 pcs batteries at a time.
low self discharge makes it still maintain 75% of capacity after 3 year of non-use.
Batteries are comes with precharged, no memory effect, could be used at any time.
Perfect for smoke alarms, professional audio and medical devices.
package with 4 pack 600mAh rechargeable 9V battery and a 9V rechargeable battery charger.
Package1 x 4 solt 9v battery charger4 x 600mAh rechargeable 9v batteries1 x user manual