

Details
7.4V 4400mAh 18650 rechargeable lithium-ion battery pack with adjustable current protection, CC/CV charging, wide temperature working range. Built-in overcharge, over-discharge & overcurrent safeguards
Description
7.4V rated voltage, 4400mAh 18650 lithium-ion cell assembly for dependable power supply
Adjustable 1C continuous discharge current
Safety safeguards: 8.4V overcharge cutoff and 6V over-discharge cutoff to prolong battery lifespan
CC/CV constant-current constant-voltage charging for efficient, stable charging performance
Broad working climate: 0–45°C charging range, -20–55°C discharge range (45%–85% RH)
Graded temperature & humidity storage specifications for 1/3/12-month shelf storage
Portable build: 40×400×70mm dimensions, 200g lightweight for easy mounting and carrying
| Item | Parameter |
| Nominal voltage | 7.4V |
| Nominal capacity | 4400mah |
| Continuous discharge current | 1C(adjustable) |
| Over current protection | 2.2A(adjustable) |
| Applicable power | ≤32.56W |
| Over charge protection | 8.4V |
| Over discharge protection | 6V |
| Charge mode | Constant current/constant voltage |
| Charge temperature | 0~45°C,45~85%RH |
| Discharge temperature | -20~55°C,45~85%RH |
| Temperature and humidity (storage) | -20~+55°C,45~85%RH (over 1 month) -20~+45°C,45~85%RH (over 3 months) -5~+20°C,45~85%RH (over 1 year) |
| Dimensions | 40*400*70mm |
| Weight | 200g |
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