Product description 1. Model: ni-mh battery 6.0v d3800mah rechargeable battery pack(6s of fh-d3800). 2. Un, rohs, ce approved ni-mh battery pack. 3. Ni-mh battery pack oem orders are welcomed. 4. Ni-mh battery pack is widely used to consumer portable equipments, information devices, miner lamps, power tools, remote control toys, medical devices, vacuum cleaner, cordless phone, etc. 5. Bulk pack, blister card are available. 6. For ni-mh standard industrial series d size, other capacity are availabe from 2500mah to 10000mah. 7. Customizes shapes, capacity, and voltage are accepted. 8. Individual cells can be assembled in parallel or series into stacks as required by customers. 9. No memory effect, high voltage, high energy density, long cycle life. 10. Eco-friendly. Ni-mh 6v d3800mah rechargeable battery pack(5s of fh-d3800) CellNi-mh Model5s of fh-d3800 Nominal voltage6.0v Nominal capacity3800mah Minimal capacity3700mah Standard charge380 ma, 16 hrs Rapid charge: 1900 ma, 2.2 hrs (control required) Continuous discharge Less than 3800 ma Final discharge voltage1.0 v (less than 1.0c) Service life =500 cycles (iec61951-2-2003) Dimension(w*l*h) 33mm*165mm*65 Weight Approx. 400 g Ambient temperature:Standard charge: 0~45 ºc Rapid charge: 10~40 ºc Discharge: -20~50 ºc Store (65+20% rh)Less than 360 day: -20~30 ºc Less than 30 day: -20~40 ºc Notes: 1."c" behind the model no. Refers to normal consumer series ; 2. Capacity obtained after charge at 0.1c for 16 hrs and discharge at 0.2c to 1.0v at 25 ºc; 3. Control required: 1) -?v: 0 ~ 5mv 2) d t / d t: 0.8 ºc/ min 3) t co: 40 ~ 45 ºc