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12V 75ah RV Camper Battery LiFePO4 With Bluetooth Monitoring Feature
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Brand Name:Topband
Model Number:TB-BL1275F-M110A
Certification:CE, ISO9001, ISO14001, MSDS
Price:Negotiable
Payment Terms:L/C, T/T
Supply Ability:450Mwh/year
Delivery Time:2~3weeks for samples; 4~6weeks for mass production
Company Data
Active Member
Contact Person
Jerry Yang
Business Type:
86-755-27651888-3215
Business Type:
Manufacturer Exporter
Officials:
Topband Industry Park,Tangtou Town,Bao'an District,Sheznzhen,China
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
12V 75ah RV Camper Battery LiFePO4 With Bluetooth Monitoring Feature
- long life & deep cycle( over 2000cycles @ 100%DOD)
- with built-in PCM/BMS protection
- rapid charge/discharge performance
- safe pressure valve design ( no explosion, no fire)
- high energy density
- low self-discharge( <3% per month,<15% per year)
- 1/3 weight & 1/2 volume of lead acid battery
- eco-friendly
- high consistency
- no memory effect
- easily replace lead acid battery
- patent Bluetooth connection feature optional, enable IOS & Android app to monitor instant battery status(SOC, voltage, current, remain AH, temp., life cycle, error, contacts).
| Lead acide battery VS. Topband LiFePO4 battery | |||
| Item | Lead acid battery | LiFePO4 battery | Comparison results |
| wh/kg | 30-45 | 100-150 | LiFePO4 battery is 1/3 weight of lead acid battery |
| wh/L | 60-80 | 200-250 | LiFePO4 battery is 1/2 volume of lead acid battery |
| conclusion 1 | LiFePO4 battery has higher energy density than that of lead acid battery. | ||
| cycle life | 300-500cycles | 2000cycles @80% DOD 1500cycles @100% DOD | LiFePO4 battery's life cycle is 5times of that of lead acid battery, and more cycles at deep discharge |
| conclusion 2 | LiFePO4 battery has much better cycle life. | ||
| charge rate | ≤0.3C | 0.5-1C | LiFePO4 battery can bare quick charge, eg., 2hs full charge for LiFePO4 battery, while more than 6hs for lead acid battery. |
| discharge rate | 3-5C,only 30%-40% capacity release under 3C discharge | 3-10C, 80%-90% capacity release under 3C discharge | LiFePO4 battery support high rate discharge, and more capcity release under high rate discharge |
| conclusion 3 | LiFePO4 battery has higher charge & discharge rate | ||
| self-discharge rate | 3-10% | <1.5% | lead acid battery will be useless for long time storage, LiFePO4 battery can stock for long time |
| conclusion 4 | LiFePO4 battery has lower self-discharge rate | ||
| pollution | Pb( against Rohs) | N/A | |
| conclusion 5 | LiFePO4 is more eco-friendly | ||
| maitenance | need fill water or mantain constantly | free maitenance | |
| conclusion 6 | LiFePO4 need no maitenance | ||
| protection | NA | BMS | |
| conclusion 7 | LiFePO4 has built in BMS for better control | ||
| optional feature | bluetooth connection | Topband LiFePO4 allow users read battery info. | |
| conclusion 8 | Topband LiFePO4 support bluetooth connection | ||
| warranty | 12-18months | 24months | |
| conclusion 9 | Topband LiFePO4 has longer warranty | ||
| price | lower | higher | |
| conclusion 10 | LiFePO4 is higher in price | ||
| Summary | LiFePO4 battery meets the trend of development | ||
| LiFePO4 battery is better than lead acid battery from different point of view, except for price. | |||
1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack TB-BL1275F- M110A manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack. The battery pack support Bluetooth communication function. Through installation IOS & Android application
(TBEnergy.apk) on mobile terminal, the user can read the battery pack system information.
2. Specification
| NO | Items | Description | |
| Normal Specification | |||
| 1 | Nominal Voltage | 12.8V | |
| 2 | Normal Capacity | 75Ah | |
| 3 | Internal Resistance | ≤20mΩ | |
| Standard Charge | |||
| 4 | Battery operation temperature range @charging | 0~45℃ | |
| 5 | Normal charge voltage | 14.6±0.1V | |
| 6 | Recommended float charge voltage(for Standby use) | 13.8±0.1V | |
| 7 | Allowed MAX constant charge current | 75A@Battery initial Temp 25±5℃ | |
| 8 | Recommended charge current | ≤40A | |
| Standard Discharge | |||
| 9 | Battery operation temperature range @discharging | -20~60℃ | |
| 10 | Output Voltage Range | 8.0~14.6V | |
| 11 | Allowed MAX constant discharge current | 75A withstand 30min @Battery initial Temp 25±5℃ | |
| 12 | Recommended discharge current | ≤60A | |
| 13 | Pulse discharge current | 300A withstand 3s | |
| 14 | Discharge Cut-off voltage | 8.0V | |
| Mechanical Characteristics | |||
| 15 | Dimension | Length 318±2mm | |
| Width 165±2mm | |||
| Height 215±2mm | |||
| 16 | Weight | Approx. 9.6Kg | |
| Storage | |||
| 17 | Storage Temperature & Humidity Range | Short: within one month | -20~35℃, 45~75%RH |
| Long term: above one month | -10~30℃, 45~75%RH | ||
| 18 | Self-discharge rate | Residual capacity | ≤3% per month; ≤15% per year |
| Reversible capacity | ≤1.5%per month; ≤8% per year | ||
3. Electrical Characteristics & Test Condition
Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.
| NO | Items | Criterion | Condition | |
| 1 | Internal Impedance | ≤20mΩ | Test the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument. | |
| 2 | Capacity | ≥75Ah | Rest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 180 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity. | |
| 3 | MAX charge Current | 75A | Charging with this current for more than 0.5h and the added temperature of battery pack less than 20℃. | |
| 4 | MAX discharge Current | 75A | Discharging with this current for more than 0.5h and the added temperature of battery pack less than 35℃. | |
| 5 | Cycle life (DOD%100) | ≥2000cycle | Discharge with the current of 0.5C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.33C)/CV(14.6V) mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life. | |
| 6 | Discharge Temperature Characteristics | -20℃ | ≥70% | At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. Record the ratio between discharging & charging capacity. |
| 0℃ | ≥80% | |||
| 25℃ | 100% | |||
| 55℃ | ≥95% | |||
| 7 | Charge Retention ability | remain capacity≥90% | Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage. | |
4. Circuit Protection
The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.
| Test item | Content | Criterion |
| Over charge | Over-charge protection for each cell | 3.90±0.03V |
| Over-charge release for each cell | 3.60±0.05V | |
| Over-charge release method | Under the release voltage | |
| Over discharge | Over-discharge protection for each cell | 2.00±0.05V |
| Over-discharge release for each cell | 2.50±0.05V | |
| Over-discharge release method | Charging | |
| Over current | Discharge over current protection | 300~500A |
| Protection delay time | 50~200ms | |
| Over current release method | Release after 8s. | |
Over Temperature | Battery over temperature | Protection @65±5℃ |
| Release @60±5℃ | ||
Over Temperature | Battery lower temperature | Protection @-10±5℃ |
| Release @0±5℃ |
5. Dimensional Drawing
Company Profile
Shenzhen Topband Battery Co., Ltd
Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007.
After years of rapid development, now Topband takes lithium battery as the core technology and has become one of the leading suppliers of lithium battery solutions in China, focusing on nano lithium iron phosphate/ LiFePO4 technology for EV, RV/ caravan, marine, motorcycle, golf cart / trolly, UPS, solar storage, medical, floor scrubber, industrial, commercial use, etc.
Smart Bluetooth & WIFI connection is is our patent
feature, equipped with IOS & Android app to
monitor the instant battery status (SOC, OCV, charge
current, ambient temperature, and errors included).
Topband has more than 5000 staffs, covers an area of 100,000 square meters. And large production plants are mainly located at Shenzhen and Huizhou
Our R&D team of over 300 professionals, in cooperation with Tsinghua Research Institute and Harbin Industrial University have laid a firm foundation of our leading technology.
We have got the certificates of ISO9001, ISO14001, OHSAS18001, TS16949 and UL, CE, CB, UN38.3, TUV, etc.
Topband is a Hi-tech enterprise. Since the company established, with innovation, we have committed ourselves to making people’s lives more comfortable and high-efficient. We and our companions are working hard at making technology progress to let people enjoy the changes of new technology.
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