12V Rechargeable Lithium Battery Pack

I use this battery as a back-up to my Nikon battery EN-EL4a rechargeable Lithium-ion Battery Pack. I always use my original Nikon battery but if I am out in the field and my Nikon battery goes down after many shots, I then switch to the the Watson EN-EL4A Lithium-Ion Battery Pack as my back-up until I can re-charge the Nikon battery again at home. I find it's more economical using it that way since there is such a big price difference between the Nikon Battery and the Watson Battery. However the Watson battery is a very good battery and reliable in every way.

Great Unit, I suggest changing the battery to Dakota Lithium 12V 10Ah. Then the Camera works for a minimum of 10 hours. B&H Thank you very much for the quick shipment !!!!!!!!!

Rechargeable lithium-ion battery used for Olympus camera works well everytime.

Great light and you can use the rechargeable battery pack.

The Nikon EN-EL 18d Rechargeable Lithium-Ion Battery is a super battery with an incredibly long life and easy to recharge. Highly recommend!

This was exactly what I was looking for. The battery pack is rechargeable and fits in the flashlight. very easy to use.

Very nice headlamp, and it comes with a rechargeable battery pack.

Eartec Rechargeable 3.7V Lithium-Ion Battery for UltraLITE & HUB Systems

The Sony NP-FZ100 Rechargeable Lithium-Ion Battery (2280mAh) delivers as promised as an OEM battery.

Coast’s lithium battery ZX450 all batteries that Coast supply are excellent. Reason I say this is because rechargeable lithium batteries sometimes have issues like premature failure. Things like not taking a charge, memory issues, and short run times to name a few. I do handle lion cells as recommended which is important for long life. Coast batteries and my lithium cellular batteries are the only batteries that work as promised regarding rechargeable lithium cells. I expect an a dramatic improvement with rechargeable lithium batteries of all sizes any time.