TD-OB12040 / TD-OB12050

TD-OB12040 / TD-OB12050 are 12.8V LiFePO4 battery packs with 40Ah (512Wh) and 50Ah (640Wh) capacity options. Built with 4S1P cell configuration, they support 40A / 50A continuous charge & discharge current and 120A / 150A peak discharge for 10 seconds. The built-in BMS provides full protection against overcharge, overdischarge, overcurrent, short circuit and overtemperature. Both models share the same ABS housing (L229×W138×H208 mm, IP64 rated), deliver over 3000 deep cycles and are certified with CE, FCC, UN38.3 and MSDS. Suitable for solar systems, RV, marine, UPS and home backup power.

Model: TD-OB12040 / TD-OB12050 | 12.8V 40/50Ah LiFePO4 Battery
ParameterTD-OB12040TD-OB12050
Nominal Capacity40 Ah50 Ah
Nominal Energy512Wh640Wh
Nominal Voltage12.8V
Charging Voltage14.6V
Discharge Voltage12.0V
Cell3.2V 40Ah3.2V 60Ah
Cell Series & Parallels4S1P
Charge Current40A50A
Discharging Current40A50A
Max. Discharge Current (10S)120A150A
Operating TemperatureCharge: 10~45°C / Discharge: 5~45°C
Cycle Life≥3000 Times
IP ClassIP64
DimensionsL229 × W138 × H208 mm
CertificateCE / FCC / UN38.3 / MSDS
Shell MaterialABS
ProtectionOvercharge protection, Overdischarge protection, Overcurrent protection, Shortcircuit protection, Overtemperature protection
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