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Hailong downtube battery,2015 Newest type Lithium Battery Pack,can pack 48V 36V for electric bicycle ,holding 52pcs 18650 li-ion cells Hailong downtube battery,thinner than dolphin battery,but without usb port. |
INDICATORLED lights show battery capacity With Independent power switch | ![]() ALUMINUM HOLDER Secure Keep your battery on the frame. Built-in BMS (BATTERY MANAGEMENT SYSTEM),protect the battery to avoid overcharge and over discharge. | ![]() BATTERY CELL 18650 Rechargeable Lithium Battery cell. No memory effect, recharge up to 1000 cycles. Higher energy density and lower weight than other types rechargeable batteries cell. |
CHARGERIntelligent charge system: voltage of each cell can be detected ,each cell can beprotected against overcharge, over voltage ,short circuit and overheat , and so that battery can be charged balance. | PLUGSupply different standard plug | MOUNTING POSITON |
| Technical Parameters |
Nominal Voltage | Rated Capacity | Battery Material | Battery Cell | Dimension | Rated Discharge Current | Max Discharge Current | Cycle Life |
| 36V | 13Ah | Li-Polymer | 3.7V 2600mAh (S) | 35*9*11.5(cm) | 20A | 25A | 800(70%) |
| 48V | 10.4Ah | Li-Polymer | 3.7V 2600mAh (S) | 35*9*11.5(cm) | 25A | 30A | 800(70%) |
| 48V | 11.6Ah | Li-Polymer | 3.7V 2900mAh (S) (P) | 35*9*11.5(cm) | 30A | 35A | 800(70%) |
*S=SAMSUNG P=PANASONIC |

Hailong downtube battery,2015 Newest type Lithium Battery Pack,can pack 48V 36V for electric bicycle ,holding 52pcs 18650 li-ion cells Hailong downtube battery,thinner than dolphin battery,but without usb port. |
INDICATORLED lights show battery capacity With Independent power switch | ![]() ALUMINUM HOLDER Secure Keep your battery on the frame. Built-in BMS (BATTERY MANAGEMENT SYSTEM),protect the battery to avoid overcharge and over discharge. | ![]() BATTERY CELL 18650 Rechargeable Lithium Battery cell. No memory effect, recharge up to 1000 cycles. Higher energy density and lower weight than other types rechargeable batteries cell. |
CHARGERIntelligent charge system: voltage of each cell can be detected ,each cell can beprotected against overcharge, over voltage ,short circuit and overheat , and so that battery can be charged balance. | PLUGSupply different standard plug | MOUNTING POSITON |
| Technical Parameters |
Nominal Voltage | Rated Capacity | Battery Material | Battery Cell | Dimension | Rated Discharge Current | Max Discharge Current | Cycle Life |
| 36V | 13Ah | Li-Polymer | 3.7V 2600mAh (S) | 35*9*11.5(cm) | 20A | 25A | 800(70%) |
| 48V | 10.4Ah | Li-Polymer | 3.7V 2600mAh (S) | 35*9*11.5(cm) | 25A | 30A | 800(70%) |
| 48V | 11.6Ah | Li-Polymer | 3.7V 2900mAh (S) (P) | 35*9*11.5(cm) | 30A | 35A | 800(70%) |
*S=SAMSUNG P=PANASONIC |