| 21.6V 21AH LITHIUM ION DRONE BATTERY ITEM INFO | |
| Item | 21.6V 21Ah |
| Series | 6 |
| Parallel | 6 |
| Rated voltage | 21.6V |
| Nominal capacity | 21000mAh |
| Size | 189.6*138.8*96 |
| Internal Resistance | ≤300mΩ |
| Weight | 1820g |
| Rated Charge Current | 3.9A |
| Max Charge Current | Max 9.75A |
| Rated Discharge Current | 3.9A |
| Max Discharge Current | Max 30A |
| Current for Overcurrent Protection | 45-50A |
| Limited charge voltage | 25.2V |
| Discharge Cut-Off Voltage | 15.3V |
| Cycle Life | 0.2C charge 1C discharge conditions, 500 times ≥ 70% initial capacity |
| Charging/Discharge Temperature | 0~+40℃/-10~+60℃ |
| Storage Temperature | -10℃~+35℃ better not longer than 6 -month |
| Temperature Protection | no |
| Certification | ●GB31241-2014(CQC)●UL2054 ●un38.3 ●KC ●MSDS ●RoHS ●Halogenfree ●CE ●UL60950 ●RCM ●PSE ●BIS ●REACH ●Parts certification ●Battery directive ●Other |

How to Clean Battery Cables: A Complete Guide for Safe and Effective Maintenance
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