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Victron Energy 12.8V-100Ah Smart LiFePO4 battery, blue case with cable, front view (Portland Electric Supply photo)
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Victron Lithium Battery Smart 12.8V 100Ah

Brand:
Victron Energy
Part no:
BAT512110610

Victron's 12.8 V, 100 Ah lithium iron phosphate battery. It needs one of Victron's external BMS units, and Victron says an external safety relay is mandatory. Victron recommends charging at 14.2 V with a 13.5 V float, only between 5°C and 50°C, and continuous discharge of 100 A or less (200 A maximum). Victron recommends a charger with a LiFePO4 profile or a custom profile adjustable to the battery, and says to disable temperature compensation. For alternator charging, Victron's manual lists four measures, among them a DC-DC charger and a BMS with a current-limited alternator port.

Our take

Buy this if you run a Victron-based house bank and already plan on a Victron-approved BMS and safety relay, because the maker rates it at 2500 cycles at 80% depth of discharge and 92% round-trip efficiency. Skip it if your charging source can't be current-limited, or if the bank sits below 5°C while charging. Budget for the BMS and relay, since the warranty is void without an approved BMS.

Where to buy

Specifications

Chemistry
lithium
Voltage
12.8 V
Dimensions (L x W x H)
321 x 152 x 197 mm (L x W x H)
Terminals
M8 threaded inserts
Capacity
100 Ah
Battery management system
external-required
Charge settings
Absorption 14.2 V (range 14.0-14.4 V), absorption 2 h, float 13.5 V, max recommended charge 50 A, charge 5-50 °C, disable temperature compensation
Mounting orientation
Upright or on its side; not terminals down

Sources