Molicel P42A 5S Li-Ion Battery Pack (4200/8400/12600/16800mAh)

A 5S lithium-ion pack assembled to order from genuine Molicel INR-21700-P42A cells, in your choice of 1P to 4P: 5 cell groups in series at 18V nominal, with 1 to 4 cells in parallel per group for 4200–16800mAh and 45–180A of continuous discharge. It suits 5" to 10" long-range FPV cruisers, fixed-wing and VTOL UAVs.

Pick your pack

• 5S1P: 5 cells · 4200mAh · 75.6Wh · 45A continuous · approx. 398 g
• 5S2P: 10 cells · 8400mAh · 151.2Wh · 90A continuous · approx. 776 g
• 5S3P: 15 cells · 12600mAh · 226.8Wh · 135A continuous · approx. 1154 g
• 5S4P: 20 cells · 16800mAh · 302.4Wh · 180A continuous · approx. 1532 g

Specifications

• Cells: Molicel P42A 21700, 4200mAh and 45A continuous each
• Voltage: 18V nominal · 21V fully charged · 12.5V cutoff
• Main connector: your choice of XT-60 / XT90-AS — pick it above
• Balance lead fitted for standard balance chargers

Build

Every pack is built in Gurugram from matched, capacity-tested cells with spot-welded nickel busbars, silicone main leads and a heat-shrink wrap, then load-tested before dispatch. Packs are assembled after payment and dispatch within 3–4 business days. Need a different connector, wire length or layout? Ask us on WhatsApp before ordering.

Charging and care

Charge in Li-Ion mode at 4.20V per cell (never LiHV) at up to 1C — 4.2A for 1P, 8.4A for 2P, 12.6A for 3P, 16.8A for 4P. Do not discharge below 2.5V per cell; land at around 3.3V per cell for the longest cycle life. Store at 3.6–3.7V per cell.