The NiteCore D2 is a universal automatic smart-charger that is compatible with most rechargeable batteries including IMR/Li-ion, Ni-MH and Ni-Cd batteries. The D2 has two battery slots, eliminating the need to own several chargers. It can recharge two batteries at the same time and each of the microcomputer-controlled charging ports can auto-detect, monitor, and charge batteries independently.
The D2 detects each battery’s status and auto selects the appropriate charge mode, either Constant Charge Current (CC), Constant Charge Voltage (CV) or Trickle Charge. An integrated LCD screen shows the current charging status of each battery, as well as voltage and current.
Constructed from ABS flame-retardant and resistant material, the D2 includes several safety features such as over-charge protection, auto-shut-off for fully charged batteries, and reverse polarity protection.
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Very pleased with this charger. Yes it does take a bit longer than other chargers I've used, but the batteries never feel hot to the touch and I prefer the added peace of mind I get from the raft of great safety features.
By Jack from Oxford
This charger is great however it takes around 5-6 hours to fully charge two 18650 batteries
By Laurent from Seychelles
Easy to use and self operating charger. Just insert your battery and plug in and your good to go.
By Lewy from Norwich
A must for any removable 18650 battery users, safely charges at a constant rate with minimal heat output to protect the cells, great bit of kit.
By tk from Dubai
Excellent and easy to use charger
By Sandor Clegane from Wales
Great battery charger
Chargers both batteries at different rates just like it says
Took 4 hours to charge my Samsung 18650 2500R
Highly recommend good build quality and charge rate
By P from U.K.
Battery safety is no laughing matter, especially in a family home. This little unit is clever and ensures that everything is as safe as it can be.
Top marks for a genuine product supplied with excellent service.
By pirate from cardiff
works flawlessly and seems to charge batteries better than others I`ve try`d imo
By Dan from Wilts
Bought this along with a couple vtc4 batteries to keep as spares. Charges the batteries in no time, as its intelligent you just pop the batteries in and it does its thing, adjusting charge rate to suit the condition of the battery also turns off when fully charged which is great for these potentially dangerous batteries. Would definitely recommend as is easy to use and makes charging very safe.