Features:
18V 4.0Ah replacement battery, it can work with many power tools.
Large capacity battery allows long time working which lasts much longer than usual battery.
High quality material, high product standards, protection from short circuit, internal overheating, overloading and overcharging, long service life and safe to use.
No memory so it can charge at anytime.
Virtually no self-discharge for maximum working efficiency.
Suitable for working with power tools, electric drills, gardening tools, etc.
Features:
Be ONLY suitable for different types of 18650 rechargeable batteries.
Capable of charging batteries of different size and with different capacity simultaneously, the battery that runs out of battery will stop discharging and the battery that is fully charged will stop charging immediately.
Each of the four battery slots monitors and charges independently.
It's powered by USB charger, USB power bank or laptop, so it is convenient when you want to use it.
Dual USB output ports can charge your 5V electronic devices (such as phones) when putting the 18650 rechargeable batteries in the slots.
Be equipped with reverse connection protection, safe and user-friendly.
Adopted superb circuit protection chip, it is equipped with temperature protection, overcharge protection, over-discharge protection, reverse connection protection, output over-current protection, output overvoltage protection.
Designed with reactivate function for letting the battery is recharged at 0 volts.
Frosted panel, fireproof material, sealed groove body design, compact and fashionable.
LCD displays charging current, voltage, working mode.
Safe, portable and powerful, it is mini in size and light in weight that is good for your home and travel.
Features:
Original Hubsan brand.
Easy to install.
High quality and durable performance.
7.4V 610mAh 15C Lipo Battery for longer flight time.
Compatible with Hubsan X4 H502S H502E RC Quadcopter.
