20HR 70AH Valve Regulated EV Lead Acid Batteries 259*168*210mm Golf Cart

12v 70ah Valve Regulated Lead Acid Battery EV24 EV Lead Acid Batteries For Electric Wheel Chairs

>Main Features

1. EV (Electric Vehicle) series is specially designed for frequent deep cycle discharge.

2. By using the specially designed active material and strong grids,EV series sealed lead acid battery offers reliable performance

   in high load situationsand can deliver more than 300 cycles at 100% DOD.

3. Suitable for mobility scooters, electric wheel chairs, golf buggies etc.

 

>Specification

 

Battery Model No.		EV24
Nominal Voltage		12V
Capacity	20HR(5.25V)	70Ah
(25ºC)	10HR(5.25V)	54.3Ah
Dimension	Length	259±2mm
	Width	168±2mm
	Height	205.5±2mm
	Total height	210±2mm
Approx. Weight		21.5kg±4%
Terminal type		F14
Internal resistance		Approx 6mΩ
(Fully charged,25ºC)
Capacity affected by	40ºC	102%
temperature(20HR)	25ºC	100%
	0ºC	85%
	-15ºC	65%
Self-discharge	3month	Remaining Capacity:91%
(25ºC)	6month	Remaining Capacity:82%
	12month	Remaining Capacity:65%
Nominal operating temperature		25ºC±3ºC(77ºF±5ºF)
Operating	Discharge	-15ºC-50ºC(5ºF-122ºF)
temperature range	Charge	-10ºC-50ºC(14ºF-122ºF)
	Storage	-20ºC-50ºC(-4ºF-122ºF)
Float charging voltage		13.5 to 13.8V
(25ºC)		Temperature compensation:-18mV/ºC
Cyclic charging voltage		14.5 to 15V
(25ºC)		Temperature compensation:-30mV/ºC
Max charging current		21A
Max discharging current		700A(5sec.)
Designed floating life(20ºC)		10years

 

 

>Structure and composition

 

Component	Positive plate	Negative plate	Container	Cover	Separator	Electrolyte	Safety valve	Terminal
Raw material	Lead dioxide	Lead	ABS	ABS	AGM	Sulfuric acid	Rubber	Copper

 

 

>Constant Current Discharge Characteristics(A,25ºC)

 

F.V/Time	10min	15min	30min	60min	2h	3h	4h	5h	8h	10h	20h
9.6V	153	117	69.9	43.0	25.5	18.1	14.7	12.5	8.58	7.08	3.75
9.9V	165	114	68.5	42.4	25.2	18.0	14.5	12.4	8.53	7.06	3.74
10.2V	142	110	66.4	41.3	25.0	17.8	14.4	12.3	8.47	7.04	3.73
10.5V	136	106	64.8	40.4	246	17.7	14.3	12.2	8.42	7.02	3.71
10.8V	128	100.4	62.4	39.2	24.1	17.2	13.9	11.9	8.16	7.00	3.69

 

 

>Constant Power Discharge Characteristics(Watt,25ºC)

 

F.V/Time	10min	15min	30min	60min	2h	3h	4h	5h	8h	10h	20h
9.60V	1178	923	564	353	212	153	124	106	73.4	60.8	32.4
9.90V	1143	900	553	347	210	152	123	105	72.9	60.7	32.3
10.2V	1096	868	536	339	209	151	122	104	72.5	60.5	32.2
10.5V	1049	839	523	331	206	150	121	103	71.9	60.2	32.0
10.8V	990	794	504	321	200	146	118	100	69.8	59.8	31.8

 

 

>Workshop scene

 

>FAQ

 

Q1: How to choose the right battery?

A1: Tell us your demand, then our sales will recommend a suitable battery for you.

Q2. Do you have any MOQ limit?

A2: Yes, we have MOQ for mass production, it depends on the different model numbers. 50-500pcs sample order is available. 

 

for sample checking is available.

Q3. Is it OK to print my logo on the product?

A3: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q4: How to solve the technical problem?

A4: 24 hours after-service consultancy just for you and to make your problem to solve easily.

Q5:. What certificate your company have?

A5: ISO 9001, ISO 14001, OHSAS 18001, CE, UL, IEC 61427 test report, Patent for gel technology and other Chinese honor.