High Power Polymer Li-Ion Battery: 37V 21Ah (777 Wh. 30A rate) with PCM (63.0)

• 37V 21Ah pack is made by 10 pcs high quality Polymer Li-Ion cell of 3.7V 21Ah  
• The state art of PCM is installed the pack to protect battery from over-charged, over-discharged and over-drained
• Wrapped by heavy-duty Heat shrink tube

• One PCM (30A limit) with balance function is installed in the battery pack to balance charging and protect battery module from
  • Over discharge beyond 42V
  • Over discharge below 25V
  • Over drained beyond 30A
  • Must wait min of 30 minutes after battery is fully charged to allow the pcm to perform balance function on all the cells within the pack.
• Charging terminal:   6" 16 AWG with Standard Male Tamiya plug.
• Discharging terminal: 6" 12 AWG open end wire. Need connector for DIY? Please click here to order.

 11.0"(280mm) x 4.3"(110mm) x 3.0"(75mm)   

• For fast charging , You may use charger below
• Universal Smart Charger (18A, 29.6V-58.4V Cut-Off) for 36V-48V SLA , 29.6V-51.8V Li-Ion/LiMnNi (8-14 Cells),38.4V-51.2V LFP(12-16 Cells) -- CE listed. The estimated charging time is about 1.75 hours.
• Must DIY charger's connector to match up with battery pack's charge terminal.
• Must set charging voltage to 42.0VDC
• 5.0A Smart Li-ion battery charger + the connector adaptor. The estimated charging time is about 6.3 hours. 
•  3A  37V Smart Li-Ion battery charger  to recharge this battery pack.  The estimated charging time is about 10.5 hours. 
  • Warning:  Please wait 30 minutes after charged to allow PCM to balance the cells to achieve the best performance
• If you connect two of these modules in parallel, you may build a 37 V 42 Ah Battery pack with a 60 Amp discharge rate with suitable wiring
• Strongly suggest you put the battery pack into a water / fire resistant box for safety use

• Replace 36V NiMH battery pack with much lighter weight  for drain rate <40 amp
• Not suitable for Scooter, E-bike, skateboard ect.
• Please click here to see the Comparison Poly-Li pack vs NiMH / SLA to know the advantages

• Please note this battery is for R&D use only and NOT for individual customer. We are not responsible for any damages or losses caused by misusing
• Please never discharge the battery pack beyond its Max. rating
• Must read before place an order. Please download fill the form and fax back to 510-439-2808. Attn: BatteySpace-Tech.
• For safety warning please see the link here

• Limited Warranty: Repair or exchange only within 30 days.