User's Manual













General Paraeter
Model
LFP12.850 LFP12.8100 LFP12.8200 LFP12.8280 LFP12.8300pecicaon
Ite
Types of aery ells lifepo4 baery
ssebly Method 4 
Model of aery ells 3.250h 3.2100h 3.2200h 3.2280h 3.2300h
obinaon of oltae 12.8
obinaon of apacity 50h640h 100h1280h 200h2560h 280h3584h 300h3840h
Maxiu Dischare current 50 100 10
0 100 100
Maxiu harin urrent 50 100 100 100 100
hare oltae 14.60
Dischare cuto oltae 10
hare Method 
ycle Life  6000 es
Terinal M8
Diension 196*166*171 331*173*210 522*240*220 522*240*220 522*240*220
Weiht 6.50 12.50 23.50 27.00 28.50
Worin Teperature ane hare: 0°50° Dischare: 20°60°
torae Teperature 0°40° ecoendaon 23±2°
Display oard
Display Material L
D
Display ontent eale oltae and Poer
ounicaon
ounicaon Mode luetooth
Monitorin soare PP(ndroid and pple)
Fire Protecon Deice
Fire Protecon haracteriscs erosol
tart Mode War tart
War tart Teperature 170
（ ）
℃
Protecon funcon of M
Features Test ites
pecicaon
Unit
Miniu
alue
Typical
alue
Maxiu
alue
harin protecon
harer oltae () 14.60 
erchare protecon oltae 3.60 3.65 3.70 
erchare protecon delay e 1000 2000 3000 
erchare protecon recoery oltae 3.45 3.50 3.55 
Dischare protecon
er dischare protecon oltae 2.45 2.50 2.55 
erdischare protecon delay e 1000 2000 3000 
erdischare protecon recoery oltae 2.90 3.00 3.10 
ercurrent Protecon
hare oercurrent prot
econ alue 105 110 115 
hare oercurrent delay 7  13 
hare ercurrent elease ecoery ondion Delay 32 release
Dischare oercurrent 1 Protecon current alue 105 110 115 
Dischare oercurrent 1 protecon delay 7  13 
Dischare oercurrent 2 Protecon current alue 400 440 500 
Dischare oercurrent 2 protecon delay 100  500 
Dischare oercurrent protecon recoery condion Delay 32 release
hort circuit pr
otecon
hort circuit protecon delay e 200  600 u
hort circuit protecon recoery Disconnect the load
alance funcon
alance turnon oltae 3.35 3.40 3.45 
alance openin dierenal pressure  15  
alance ode harin balance
alance current 40  60 
Teperature protecon
harin hih teperature protecon alue 63 65 67
harin hih teperature protecon release alue 53 55 57
harin lo teperature protecon
alue 1 1 3
harin lo teperature protecon release alue 8 10 12
Dischare hih teperature protecon alue 73 75 77
Dischare hih teperature protecon release alue 63 65 67
Dischare lo teperature protecon alue 12 10 8
Dischare lo teperature protecon release alue 2 0 2
Internal resistance Dischare circuit internal resistance  5 10 
elfconsupon
  20 
leep ode


200
u
leep ondions and Delays
No current counicaon delay 10 in protecon
state
℃
℃
℃
℃
℃
℃
℃
℃
peran ode
3. Product standard
196

100%
171
166
Constant voltage charge (25℃)
-Charge Voltage: 14.60V
-Discharge cut-off Voltage: 10.00V
-Max.Charge Current：50A
-Max. Discharge Current：50A
LiFePO4 Battery
LFP12.8-50
(512Wh)
12.8Volt 50Ah
-Aviod short circuit
-Do not charge in sealed container
-Keep sparks,flame away