ampere time 12v 200ah lithium iron lifepo4 deep cycle battery, built-in 100a bms, 4000+ cycles, 280amp max, perfect for rv, solar, marine, overland, off-grid application... ampere time <b><i>about ampere time battery</i></b><br><br> this high quality powerful lithium battery is an excellent replacement or upgrade<br> for any application currently using a deep cycle gel, agm or flooded lead acid<br> battery. the maximum continuous discharge current is 100a and peak discharge<br> current 280a for 5 seconds. we have a professional r & d team and have been<br> committed to providing customers with the perfect power solutions.<br><br> it is light weight, safe and does not release gas when charging, meaning it is<br> kinder on the environment. this battery is suited for a range of uses, indoors or<br> outdoors, as the tough abs plastic coating resists knocks, cracking and ever<br> changing weather conditions. our 12v 200ah portable power station<br> really shines when going camping off the grid. if you are looking for a long<br> lasting and revolutionary battery that won’t let you down then this is it!<br><br> <b><i>specifications</i></b><br><br> maintenance free<br> lifting handle fitted to ensure secure hold when moving<br> chemistry: lithium iron phosphate (lifepo4)<br> nominal voltage:12.8v<br> rated capacity (0.2c): 200 ah / 2560wh<br> cycle life: > 2000 cycles at 100% depth of discharge (dod), up to 5000<br> cycles at 80% dod<br> rated voltage: 12.8v (working voltage per cell: 3.2v)<br> charge voltage: 14.4 - 14.6v <br> cut-off voltage: 10v <br> depth of discharge (dod): 100%<br> standard charge current: 40a<br> charging time: approximately 5 hours (from low voltage cutoff)<br> max continuous charge current: 100a<br> max continuous discharge current: 100a<br> peak discharge current: 280a<br> operating temperatures: standard 0°c~45°c, discharge -20°c~65°c,<br> storage -20°c~45°c<br> impedance (max, at 1000hz.): ≤ 40mω<br> battery dimensions(mm): 521x 238 x217<br> weight: 22kg<br> battery terminals: m8<br> charging tips:<br> use lithium battery charger to maximise the capacity<br> when charging with solar, select b04 mode on solar regulator