Please give me some advice

TrustFire 2012 New Style TR-J18 7*Cree XM-L T6 8000 Lumens 5M Memory Led super power Flashlight(2*26650/3*26650/3*18650)

Type Flashlights
Light Source LED
LED Light Source T6
Flashlight Type Rechargeable Flashlight
Place of Origin China (Mainland)
Brand Name TRUSTFIRE
Model Number TR-J18
Battery Type 2*26650/3*26650/3*18650
Usage Emergency
Power Source Rechargeable Battery
Lighting Period (h) >12
IP Rating IP68
Lamp Body Material Aluminum Alloy
Warranty(Year) 1
Net Weight 740g
life up 100,000 hours
Model TR-J18
brightness up 8000LM
Material aluminum alloy

Place of Origin China (Mainland)
Brand Name Sibeibe
Model Number 26650
Type Li-Ion
Nominal Voltage 3.7V
Size 26mm(dia)*66mm(height)
Nominal Capacity 4000mah
Type: Li-Ion Size: 26mm(dia)*66mm(heig
Nominal Voltage: 3.7v civil standard
Attentions:

1.We are a original factory(OEM).

The factory can according to your demand attach your own logo or brand.

2.The protection board of battery is made of fiberglass.

so adding protection board or not, you can choose.

certainly,the adding board is higer price than not added.

newest 26650 4000mah with pcb lithium ion battery 3.7v


Brand Name Nitecore
Model Number i4
Use Standard Battery
Type Electric
Place of Origin China (Mainland)
Input power 10w Output voltage 4.2V
Specification

Sysmax i4 Intellicharger PRO Nitecore Battery Charger
Input voltage AC 100~240V 50/60HZ or DC 12V
Input power 10W
Output voltage 4.2V ±1% / 1.48V ±1%
Output current 375mA × 4 / 750mA × 2
Dimensions 139mm × 96mm × 36mm
Weight 156g (without batteries and power cord)
Compatible with: Li-ion: 26650, 22650, 18650, 17670, 18490, 17500, 17335, 16340(RCR123), 14500,

10440 Ni-MH / Ni-Cd: AA, AAA, C,D

!!

i don't see any question here rather than 3 posts of advertisement.

Yep. It might be in the correct forum, but it’s a crappy attitude to have and I wouldn’t buy from them on principle because of it.