BLF-3620T User Manual
Contents
1. voltage Use the black and red Anderson connector for discharging 2 Ensure the connection between the battery and the load can handle the current draw Please consult references for the appropriate wire type 3 The maximum continuous discharge current is 20A Please make sure your electrical load consumes a current less than 20A continuous and 720 watts of power 4 The battery outputs a steady voltage around 38 4V until very little capacity remain do NOT rely on voltage as an indicator of remaining capacity Series and Parallel Connection We do not recommend using our LiFePO4 batteries in series or parallel connection if a single battery of equivalent size can be used instead The PCM BMS built into each battery is intended only for operation with a single battery and we do not guarantee the operability of multiple batteries in series or parallel configuration Please take the information below into consideration if you must use a series or parallel configuration Series Each battery must be charged separately all batteries should be fully charged before connecting in series Parallel Only connect batteries with equal state of charge in parallel Also measure the internal resistance of each battery and only use batteries with closely matched internal resistance It is highly recommended that resistors be used to achieve equal internal resistance among multiple batteries It is also highly recommended to add fuse s to the circuit for sa2. Thank you for purchasing the Bioenno Power BLF 3620T LiFePO4 Battery Introduction LiFePO4 chemistry is an evolution in rechargeable battery technology It is safer non toxic higher performing and longer lasting compared to lead acid batteries Bioenno Power provides the highest quality LiFePO4 battery from our ISO9001 certified production facility that guarantees maximum performance Please carefully review the information below as they are vital to the safety and performance of the battery Typical Applications Solar energy storage Electric motor Backup power supply UPS Ham radio Portable electronic equipment power audio visual networking power tools etc gt Drop in replacement for lead acid battery LED Lighting Contents Bioenno Power BLF 3620T LiFePO4 Battery User Manual Compatible Charger with 5A output 1 1 1 Specifications summary 9 4in x 7 5in x5 9in 240 mm x 190 Dimensions mm x 150 mm Weight 18 7 Ibs 8 5 kg Battery nominal voltage and capacity 36V 20Ah Charging Voltage 43 8V Charging Current lt 3A Open Circuit Voltage Range 30 38 4VDC Maximum Continuous Discharge Current 20A 60A 2 seconds 10 C to 60 C Overcharge overdischarge overcurrent temperature balancing Anderson GX16 Maximum Peak Pulse Current Operating Temperature Protection PCM BMS Terminal connector type For the full specification pleas
3. e visit www bioennopower com Caution e Do not disassemble e Do not short circuit positive and negative terminals e Use only LiFePO4 compatible chargers Do not use Lead Acid battery chargers especially ones with anti sulfation features e Do not expose to the environment this battery is not sealed e Do not throw in fire or dispose of improperly Recycle the battery at a facility that accepts lithium battery Last Revised 03 16 14 Instructions for Use Charging 1 Only use 43 8V LiFePO4 compatible chargers to charge the battery The charging current should be about lt 3A If you need a charger please contact us 2 Use the round GX16 connector for charging Fully charge the battery before first use This depends on the output of the charger but is typically between 3 5 hours 3 If your battery came with a Bioenno Power charger there are two LED lights on the charger LED 1 and 2 LED 1 should turn red whenever a load is connected or when the charger is plugged into the wall During charging both LED 1 and 2 are red When the battery is fully charged LED 1 will be red and LED 2 will be green 4 LiFePO4 does not suffer memory effect so please keep the battery fully charged for daily use Cell balancing only occurs when the battery is fully charged top end balancing 5 Do not charge the battery in temperatures below 0 C This can cause damage to the cells Discharging 1 Make sure your load accepts 36V nominal
4. fety reasons Please keep in mind a series or parallel connection can fail with a number of consequences from early cut off to possibly a fire Always exercise caution and observe closely at all times Maintenance and Storage The battery requires no manual maintenance due to the included PCM BMS However please follow the below guideline for best life cycle 1 Eventhough the LiFePO4 chemistry is relatively stable protect the battery from shocks and drops to prevent internal short circuit 2 For long term storage fully charge the battery and then discharge to 50 of the full capacity Do NOT leave the battery unattended for more than 6 months 3 For the best life cycle avoid using the battery in extreme temperatures and avoid highly variable pulsing loads Troubleshooting Since the battery can be used in many different configurations and equipment we cannot provide a general troubleshooting guide Please contact us so a technician can provide you with individualized support FAQ Q The terminals connectors on the battery do not fit my application what do do A You can change the terminal connector to whatever type you need without voiding the warranty so long as you do not open the battery or modify the casing have a universal lead acid charger with high charging current can use it instead Not recommended Lead acid battery charges at 2 30V to 2 45V per cell whereas LiFePO4 needs 3 60V per cell Your batter
5. y would be undercharged so you won t get full capacity nor will balancing be triggered both of which are not desired Furthermore the floating charge of the lead acid charger is not expected by the battery and can cause problems Can I buy another of the same LiFePO4 battery to double the voltage or capacity Not recommended Refer to the series and parallel connection section You should always get a single battery that meets your voltage and capacity requirement to avoid problems How come the battery stops working a few seconds after a high current draw Make sure the load is not exceeding the rated continuous output current else the PCM shuts off the battery after 2 sec To reset disconnect the load and attach the charger for a few seconds If you need more current output please contact us for an exchange or a custom solution need more help with the battery bought Please contact us using the information below Contact Us Mail Bioenno Power E mail sale bioennopower com 12630 Westminster Ave Suite H Phone 1 714 234 7363 Santa Ana CA 92706 1 949 310 9899 Bioenno Power BLF 3620T LiFePO4 Battery User Manual
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