Features:
*Safety, light and handy  lithium battery; high-capacity, never explosion even in
    the extreme case
*Never overcharge with balancer protection
*Low voltage alarm with built-in battery(FP280B plus effective in any case)The
     power  LED will flesh.
*All output with overcurrent protection
*Automatic recovery current limit fuse in every  output to protect the entire system  not    affected by single failure, power supply will be automatic recovery after fault clearance
*USB charge output (“I” connector can charge for iphone and ipad, be recognized by
    ipad, “G” connector for generic)
*Standard equipped with a dedicated charger, LED indicator will be red when charging, 
   automatically stop after a full charge(green LED) ---only FP280plus
*Protection circuit: with overcurrent protection   
                                        overcharge protection   
                                        over discharge protection
                                        over low voltage protection
*Batter life :500-800 complete circle  charge-discharge

Specifications:
*Capacity: 148Wh/10Ah 
*Quick charge current: 2.5A
*DC output: 3A
*DC output connector:   4-pin  HRS
                                        locking coaxial plug   （FP280plus   2   locking coaxial plug   ）
                                        2  USB (5V, 2.1A max, “I” connector for iphone and ipad)
*Mean output voltage: 14.8V
*Maximum output voltage: 16.8V
*LOWER BATTER alarm signal(FP280  when power on)
*Dimensions: FP280           7.08 × 6.30 × 3.50 in | 133*45*240mm
                                            (with protective sleeve)
                        FP280plus    9.45 × 5.24 × 1.77 in | 240 × 133 × 45 mm
                                             (with protective sleeve)
*Weight: FP280B   1255g
                  2 lbs, 12.3 oz | 1.26 kg    3 lbs, 10.2 oz | 1.65 kg