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Our BTC Package contains our 36V 72Ah battery, custom tray with heavy duty ratchet strap and waterproof 36V charger are all included in this package. 
Maximize your battery life with a compatible high powered charger. The mobile app connects with bluetooth and allows status monitoring.
 
Specifications
Rated Voltage: 38.4 V
Rated Capacity: 72 Ah
Max Charge Voltage: 43.8 V
Cut-off voltage: 30 V
Charge current: 40 A
Continuous discharge current: 80 A
Max discharge current: 160 A
Dimension: 525*240*220mm - 20.7" * 9.45" *8.7"
Weight: 28.4kg - 62.6lb
BMS Function: Overvoltage protection, undervoltage protection, overcurrent protection, temperature protection, short-circuit protection
UL Certificated 32700 Cylindrical LiFePO4 Cell, 12S14P
ABS Shell
 
Standard Charge
Charge Voltage: 43.8V
Charge Mode: CC-CV
Charge Current: From 5A to 80A
Recommended Current: <40A
Max Charge Current: 80A
Charge High Temperature Protection: 60°C
Charge High Temperature Recovery: 50°C
Low Temperature Protection: 0°C
Low Temperature Recovery: 5°C
 
Standard Discharge
Continuous Discharge Current: 80A
Max Peak Current: 160A for 5 seconds
Discharge Cutoff Voltage: 40V
High Temperature Protection: 65°C
High Temperature Recovery: 55°C
Low Temperature Protection: -20°C
Low Temperature Recovery: -10°C
 
Operation Environment
Charge Temperature: 0°C to 45°C (32°F to 113°F) at 60 +/- 25% relative humidity
Discharge Temperature: -20°C to 65°C (-4°F to 149°F) at 60 +/- 25% relative humidity
Storage Temperature: 5°C to 45°C (41°F to 113°F) at 60 +/- 25% relative humidity 
Water Dust Resistance: IP65